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  "is_live": false,
  "findings": [
    {
      "kind": "national",
      "title": "Petrol (E10) rose 0.9p",
      "detail": "The equal-station UK average ended the week at 161.5p per litre across 7,884 stations."
    },
    {
      "kind": "national",
      "title": "Diesel (B7) rose 1.7p",
      "detail": "The equal-station UK average ended the week at 181.8p per litre across 7,996 stations."
    },
    {
      "kind": "retailer",
      "title": "Nicholl had the lowest retailer petrol average",
      "detail": "Its measured average was 150.3p per litre across 5 stations."
    },
    {
      "kind": "area",
      "title": "SW postcode area was the fastest-rising petrol area",
      "detail": "The postcode-area average increased 1.8p to 163.8p per litre."
    },
    {
      "kind": "motorway",
      "title": "Motorway petrol carried a 13.6p premium",
      "detail": "That is about \u00a37.48 on a 55-litre fill compared with non-motorway stations."
    },
    {
      "kind": "supermarket",
      "title": "Supermarket petrol averaged 1.6p less",
      "detail": "The measured gap equates to about \u00a30.88 on a 55-litre fill."
    }
  ],
  "headline": "Petrol rose 0.9p and diesel rose 1.7p in the week to 9 August 2026",
  "week_start": "2026-08-03",
  "area_movers": {
    "diesel": {
      "rising": [
        {
          "key": "ZE",
          "label": "ZE postcode area",
          "change_7d": 3.7,
          "current_avg": 181.1,
          "previous_avg": 177.4,
          "station_count": 16,
          "comparison_station_count": 16
        },
        {
          "key": "EN",
          "label": "EN postcode area",
          "change_7d": 2.8,
          "current_avg": 183.1,
          "previous_avg": 180.3,
          "station_count": 37,
          "comparison_station_count": 37
        },
        {
          "key": "DY",
          "label": "DY postcode area",
          "change_7d": 2.5,
          "current_avg": 182.9,
          "previous_avg": 180.4,
          "station_count": 57,
          "comparison_station_count": 57
        },
        {
          "key": "HP",
          "label": "HP postcode area",
          "change_7d": 2.5,
          "current_avg": 181.4,
          "previous_avg": 178.9,
          "station_count": 60,
          "comparison_station_count": 60
        },
        {
          "key": "HX",
          "label": "HX postcode area",
          "change_7d": 2.5,
          "current_avg": 183.9,
          "previous_avg": 181.4,
          "station_count": 17,
          "comparison_station_count": 17
        }
      ],
      "falling": []
    },
    "petrol": {
      "rising": [
        {
          "key": "SW",
          "label": "SW postcode area",
          "change_7d": 1.8,
          "current_avg": 163.8,
          "previous_avg": 162.0,
          "station_count": 40,
          "comparison_station_count": 40
        },
        {
          "key": "HX",
          "label": "HX postcode area",
          "change_7d": 1.7,
          "current_avg": 162.9,
          "previous_avg": 161.2,
          "station_count": 17,
          "comparison_station_count": 17
        },
        {
          "key": "OL",
          "label": "OL postcode area",
          "change_7d": 1.7,
          "current_avg": 159.9,
          "previous_avg": 158.2,
          "station_count": 50,
          "comparison_station_count": 50
        },
        {
          "key": "B",
          "label": "B postcode area",
          "change_7d": 1.5,
          "current_avg": 161.2,
          "previous_avg": 159.7,
          "station_count": 198,
          "comparison_station_count": 198
        },
        {
          "key": "HG",
          "label": "HG postcode area",
          "change_7d": 1.5,
          "current_avg": 160.9,
          "previous_avg": 159.4,
          "station_count": 20,
          "comparison_station_count": 20
        }
      ],
      "falling": [
        {
          "key": "CA",
          "label": "CA postcode area",
          "change_7d": -0.6,
          "current_avg": 161.2,
          "previous_avg": 161.8,
          "station_count": 65,
          "comparison_station_count": 65
        },
        {
          "key": "PH",
          "label": "PH postcode area",
          "change_7d": -0.5,
          "current_avg": 163.5,
          "previous_avg": 164.0,
          "station_count": 41,
          "comparison_station_count": 41
        },
        {
          "key": "DD",
          "label": "DD postcode area",
          "change_7d": -0.2,
          "current_avg": 160.1,
          "previous_avg": 160.3,
          "station_count": 29,
          "comparison_station_count": 29
        },
        {
          "key": "HS",
          "label": "HS postcode area",
          "change_7d": -0.1,
          "current_avg": 166.4,
          "previous_avg": 166.5,
          "station_count": 13,
          "comparison_station_count": 13
        }
      ]
    },
    "premium_diesel": {
      "rising": [
        {
          "key": "DT",
          "label": "DT postcode area",
          "change_7d": 1.9,
          "current_avg": 198.6,
          "previous_avg": 196.7,
          "station_count": 15,
          "comparison_station_count": 15
        },
        {
          "key": "CW",
          "label": "CW postcode area",
          "change_7d": 1.8,
          "current_avg": 200.6,
          "previous_avg": 198.8,
          "station_count": 22,
          "comparison_station_count": 22
        },
        {
          "key": "HX",
          "label": "HX postcode area",
          "change_7d": 1.8,
          "current_avg": 198.1,
          "previous_avg": 196.3,
          "station_count": 15,
          "comparison_station_count": 15
        },
        {
          "key": "YO",
          "label": "YO postcode area",
          "change_7d": 1.8,
          "current_avg": 196.5,
          "previous_avg": 194.7,
          "station_count": 44,
          "comparison_station_count": 44
        },
        {
          "key": "HD",
          "label": "HD postcode area",
          "change_7d": 1.7,
          "current_avg": 197.0,
          "previous_avg": 195.3,
          "station_count": 18,
          "comparison_station_count": 18
        }
      ],
      "falling": [
        {
          "key": "LA",
          "label": "LA postcode area",
          "change_7d": -0.5,
          "current_avg": 200.2,
          "previous_avg": 200.7,
          "station_count": 30,
          "comparison_station_count": 30
        },
        {
          "key": "LD",
          "label": "LD postcode area",
          "change_7d": -0.2,
          "current_avg": 195.5,
          "previous_avg": 195.7,
          "station_count": 5,
          "comparison_station_count": 5
        },
        {
          "key": "LU",
          "label": "LU postcode area",
          "change_7d": -0.1,
          "current_avg": 201.7,
          "previous_avg": 201.8,
          "station_count": 24,
          "comparison_station_count": 24
        }
      ]
    },
    "premium_petrol": {
      "rising": [
        {
          "key": "DY",
          "label": "DY postcode area",
          "change_7d": 1.6,
          "current_avg": 178.7,
          "previous_avg": 177.1,
          "station_count": 43,
          "comparison_station_count": 43
        },
        {
          "key": "WS",
          "label": "WS postcode area",
          "change_7d": 1.6,
          "current_avg": 179.9,
          "previous_avg": 178.3,
          "station_count": 41,
          "comparison_station_count": 41
        },
        {
          "key": "SW",
          "label": "SW postcode area",
          "change_7d": 1.5,
          "current_avg": 182.6,
          "previous_avg": 181.1,
          "station_count": 38,
          "comparison_station_count": 38
        },
        {
          "key": "YO",
          "label": "YO postcode area",
          "change_7d": 1.5,
          "current_avg": 176.9,
          "previous_avg": 175.4,
          "station_count": 66,
          "comparison_station_count": 66
        },
        {
          "key": "BB",
          "label": "BB postcode area",
          "change_7d": 1.3,
          "current_avg": 176.6,
          "previous_avg": 175.3,
          "station_count": 57,
          "comparison_station_count": 57
        }
      ],
      "falling": [
        {
          "key": "KW",
          "label": "KW postcode area",
          "change_7d": -0.8,
          "current_avg": 167.6,
          "previous_avg": 168.4,
          "station_count": 11,
          "comparison_station_count": 11
        },
        {
          "key": "OL",
          "label": "OL postcode area",
          "change_7d": -0.5,
          "current_avg": 175.9,
          "previous_avg": 176.4,
          "station_count": 41,
          "comparison_station_count": 41
        },
        {
          "key": "CA",
          "label": "CA postcode area",
          "change_7d": -0.4,
          "current_avg": 176.6,
          "previous_avg": 177.0,
          "station_count": 55,
          "comparison_station_count": 55
        },
        {
          "key": "WV",
          "label": "WV postcode area",
          "change_7d": -0.4,
          "current_avg": 178.5,
          "previous_avg": 178.9,
          "station_count": 39,
          "comparison_station_count": 39
        },
        {
          "key": "BT",
          "label": "BT postcode area",
          "change_7d": -0.3,
          "current_avg": 161.7,
          "previous_avg": 162.0,
          "station_count": 223,
          "comparison_station_count": 220
        }
      ]
    }
  },
  "methodology": {
    "cohort": "A station/fuel enters from its first recorded price event; current active status is not projected backwards.",
    "price_bounds": "Values outside 50p to 300p per litre are excluded.",
    "carry_forward": "A station's last reported price is carried forward until it changes.",
    "area_definition": "Local movers use the alphabetic UK postcode area.",
    "station_weighting": "Each station contributes one equal-weight end-of-day price.",
    "classification_limitation": "Brand, postcode area, and motorway labels use the station's current classification because dated dimension history is not yet stored."
  },
  "week_ending": "2026-08-09",
  "generated_at": "2026-08-10T07:31:04.668419+00:00",
  "motorway_premium": {
    "diesel": {
      "premium": 14.5,
      "other_avg": 181.5,
      "motorway_avg": 196.0,
      "tank_premium_gbp": 7.97,
      "motorway_station_count": 168,
      "comparison_station_count": 7828
    },
    "petrol": {
      "premium": 13.6,
      "other_avg": 161.2,
      "motorway_avg": 174.8,
      "tank_premium_gbp": 7.48,
      "motorway_station_count": 170,
      "comparison_station_count": 7714
    },
    "premium_diesel": {
      "premium": 12.1,
      "other_avg": 198.3,
      "motorway_avg": 210.4,
      "tank_premium_gbp": 6.66,
      "motorway_station_count": 154,
      "comparison_station_count": 4100
    },
    "premium_petrol": {
      "premium": 13.7,
      "other_avg": 178.0,
      "motorway_avg": 191.7,
      "tank_premium_gbp": 7.54,
      "motorway_station_count": 161,
      "comparison_station_count": 6137
    }
  },
  "retailer_rankings": {
    "diesel": [
      {
        "key": "Costco",
        "label": "Costco",
        "change_7d": 3.2,
        "current_avg": 172.7,
        "previous_avg": 169.5,
        "station_count": 21,
        "comparison_station_count": 21
      },
      {
        "key": "Nicholl",
        "label": "Nicholl",
        "change_7d": -1.0,
        "current_avg": 173.3,
        "previous_avg": 174.3,
        "station_count": 5,
        "comparison_station_count": 5
      },
      {
        "key": "Solo",
        "label": "Solo",
        "change_7d": -1.4,
        "current_avg": 173.5,
        "previous_avg": 174.9,
        "station_count": 8,
        "comparison_station_count": 8
      },
      {
        "key": "Circle K",
        "label": "Circle K",
        "change_7d": -0.4,
        "current_avg": 175.3,
        "previous_avg": 175.7,
        "station_count": 47,
        "comparison_station_count": 47
      },
      {
        "key": "Maxol",
        "label": "Maxol",
        "change_7d": 1.5,
        "current_avg": 175.7,
        "previous_avg": 174.2,
        "station_count": 90,
        "comparison_station_count": 89
      },
      {
        "key": "Central Convenience",
        "label": "Central Convenience",
        "change_7d": 0.6,
        "current_avg": 175.9,
        "previous_avg": 175.3,
        "station_count": 18,
        "comparison_station_count": 18
      },
      {
        "key": "Emo",
        "label": "Emo",
        "change_7d": 1.0,
        "current_avg": 176.6,
        "previous_avg": 175.6,
        "station_count": 14,
        "comparison_station_count": 14
      },
      {
        "key": "Tesco",
        "label": "Tesco",
        "change_7d": 3.8,
        "current_avg": 178.6,
        "previous_avg": 174.8,
        "station_count": 519,
        "comparison_station_count": 519
      },
      {
        "key": "Co-op",
        "label": "Co-op",
        "change_7d": 3.4,
        "current_avg": 179.2,
        "previous_avg": 175.8,
        "station_count": 20,
        "comparison_station_count": 20
      },
      {
        "key": "Applegreen",
        "label": "Applegreen",
        "change_7d": 2.8,
        "current_avg": 179.3,
        "previous_avg": 176.5,
        "station_count": 13,
        "comparison_station_count": 13
      },
      {
        "key": "Sainsburys",
        "label": "Sainsbury's",
        "change_7d": 2.1,
        "current_avg": 179.3,
        "previous_avg": 177.2,
        "station_count": 316,
        "comparison_station_count": 316
      },
      {
        "key": "Asda",
        "label": "Asda",
        "change_7d": 1.2,
        "current_avg": 179.8,
        "previous_avg": 178.6,
        "station_count": 405,
        "comparison_station_count": 405
      },
      {
        "key": "Morrisons",
        "label": "Morrisons",
        "change_7d": 1.9,
        "current_avg": 179.9,
        "previous_avg": 178.0,
        "station_count": 340,
        "comparison_station_count": 340
      },
      {
        "key": "Texaco",
        "label": "Texaco",
        "change_7d": 1.1,
        "current_avg": 180.2,
        "previous_avg": 179.1,
        "station_count": 522,
        "comparison_station_count": 519
      },
      {
        "key": "Total Energies",
        "label": "Total Energies",
        "change_7d": 1.8,
        "current_avg": 180.4,
        "previous_avg": 178.6,
        "station_count": 9,
        "comparison_station_count": 9
      },
      {
        "key": "Murco",
        "label": "Murco",
        "change_7d": 1.9,
        "current_avg": 180.5,
        "previous_avg": 178.7,
        "station_count": 167,
        "comparison_station_count": 166
      },
      {
        "key": "Harvest Energy",
        "label": "Harvest Energy",
        "change_7d": 2.5,
        "current_avg": 180.9,
        "previous_avg": 178.4,
        "station_count": 48,
        "comparison_station_count": 48
      },
      {
        "key": "Essar",
        "label": "Essar",
        "change_7d": 2.3,
        "current_avg": 181.2,
        "previous_avg": 178.9,
        "station_count": 44,
        "comparison_station_count": 44
      },
      {
        "key": "Jet",
        "label": "Jet",
        "change_7d": 2.0,
        "current_avg": 181.2,
        "previous_avg": 179.2,
        "station_count": 310,
        "comparison_station_count": 310
      },
      {
        "key": "EG",
        "label": "EG",
        "change_7d": 1.6,
        "current_avg": 181.9,
        "previous_avg": 180.3,
        "station_count": 146,
        "comparison_station_count": 146
      },
      {
        "key": "Gulf",
        "label": "Gulf",
        "change_7d": 1.5,
        "current_avg": 182.2,
        "previous_avg": 180.7,
        "station_count": 293,
        "comparison_station_count": 293
      },
      {
        "key": "Valero",
        "label": "Valero",
        "change_7d": 1.1,
        "current_avg": 182.3,
        "previous_avg": 181.2,
        "station_count": 148,
        "comparison_station_count": 148
      },
      {
        "key": "Pace",
        "label": "Pace",
        "change_7d": 3.3,
        "current_avg": 183.0,
        "previous_avg": 179.7,
        "station_count": 49,
        "comparison_station_count": 49
      },
      {
        "key": "Esso",
        "label": "Esso",
        "change_7d": 2.4,
        "current_avg": 183.4,
        "previous_avg": 181.0,
        "station_count": 1452,
        "comparison_station_count": 1452
      },
      {
        "key": "BP",
        "label": "BP",
        "change_7d": 1.3,
        "current_avg": 184.4,
        "previous_avg": 183.1,
        "station_count": 1094,
        "comparison_station_count": 1093
      },
      {
        "key": "Shell",
        "label": "Shell",
        "change_7d": 0.8,
        "current_avg": 184.8,
        "previous_avg": 184.0,
        "station_count": 915,
        "comparison_station_count": 915
      },
      {
        "key": "Gleaner",
        "label": "Gleaner",
        "change_7d": 1.2,
        "current_avg": 185.2,
        "previous_avg": 184.0,
        "station_count": 27,
        "comparison_station_count": 27
      }
    ],
    "petrol": [
      {
        "key": "Nicholl",
        "label": "Nicholl",
        "change_7d": -1.2,
        "current_avg": 150.3,
        "previous_avg": 151.5,
        "station_count": 5,
        "comparison_station_count": 5
      },
      {
        "key": "Costco",
        "label": "Costco",
        "change_7d": 1.9,
        "current_avg": 153.3,
        "previous_avg": 151.4,
        "station_count": 21,
        "comparison_station_count": 21
      },
      {
        "key": "Emo",
        "label": "Emo",
        "change_7d": -0.2,
        "current_avg": 153.5,
        "previous_avg": 153.7,
        "station_count": 14,
        "comparison_station_count": 14
      },
      {
        "key": "Circle K",
        "label": "Circle K",
        "change_7d": -0.8,
        "current_avg": 154.3,
        "previous_avg": 155.1,
        "station_count": 48,
        "comparison_station_count": 48
      },
      {
        "key": "Maxol",
        "label": "Maxol",
        "change_7d": 0.3,
        "current_avg": 154.3,
        "previous_avg": 154.0,
        "station_count": 89,
        "comparison_station_count": 88
      },
      {
        "key": "Solo",
        "label": "Solo",
        "change_7d": -1.0,
        "current_avg": 154.9,
        "previous_avg": 155.9,
        "station_count": 6,
        "comparison_station_count": 6
      },
      {
        "key": "Applegreen",
        "label": "Applegreen",
        "change_7d": 1.0,
        "current_avg": 158.0,
        "previous_avg": 157.0,
        "station_count": 13,
        "comparison_station_count": 13
      },
      {
        "key": "Total Energies",
        "label": "Total Energies",
        "change_7d": 0.8,
        "current_avg": 158.6,
        "previous_avg": 157.8,
        "station_count": 10,
        "comparison_station_count": 10
      },
      {
        "key": "Central Convenience",
        "label": "Central Convenience",
        "change_7d": 1.0,
        "current_avg": 159.8,
        "previous_avg": 158.8,
        "station_count": 18,
        "comparison_station_count": 18
      },
      {
        "key": "Co-op",
        "label": "Co-op",
        "change_7d": 2.0,
        "current_avg": 159.8,
        "previous_avg": 157.8,
        "station_count": 20,
        "comparison_station_count": 20
      },
      {
        "key": "Tesco",
        "label": "Tesco",
        "change_7d": 2.4,
        "current_avg": 159.8,
        "previous_avg": 157.4,
        "station_count": 519,
        "comparison_station_count": 519
      },
      {
        "key": "Texaco",
        "label": "Texaco",
        "change_7d": 0.8,
        "current_avg": 159.9,
        "previous_avg": 159.1,
        "station_count": 525,
        "comparison_station_count": 523
      },
      {
        "key": "Murco",
        "label": "Murco",
        "change_7d": 1.4,
        "current_avg": 160.1,
        "previous_avg": 158.6,
        "station_count": 169,
        "comparison_station_count": 168
      },
      {
        "key": "Harvest Energy",
        "label": "Harvest Energy",
        "change_7d": 1.6,
        "current_avg": 160.2,
        "previous_avg": 158.6,
        "station_count": 48,
        "comparison_station_count": 48
      },
      {
        "key": "Asda",
        "label": "Asda",
        "change_7d": 1.3,
        "current_avg": 160.3,
        "previous_avg": 159.0,
        "station_count": 405,
        "comparison_station_count": 405
      },
      {
        "key": "Morrisons",
        "label": "Morrisons",
        "change_7d": 0.8,
        "current_avg": 160.3,
        "previous_avg": 159.5,
        "station_count": 340,
        "comparison_station_count": 340
      },
      {
        "key": "Jet",
        "label": "Jet",
        "change_7d": 1.1,
        "current_avg": 160.4,
        "previous_avg": 159.3,
        "station_count": 310,
        "comparison_station_count": 310
      },
      {
        "key": "Essar",
        "label": "Essar",
        "change_7d": 1.2,
        "current_avg": 160.6,
        "previous_avg": 159.4,
        "station_count": 45,
        "comparison_station_count": 45
      },
      {
        "key": "Sainsburys",
        "label": "Sainsbury's",
        "change_7d": 1.3,
        "current_avg": 160.9,
        "previous_avg": 159.6,
        "station_count": 316,
        "comparison_station_count": 316
      },
      {
        "key": "Valero",
        "label": "Valero",
        "change_7d": 0.6,
        "current_avg": 160.9,
        "previous_avg": 160.3,
        "station_count": 148,
        "comparison_station_count": 148
      },
      {
        "key": "EG",
        "label": "EG",
        "change_7d": 0.9,
        "current_avg": 161.4,
        "previous_avg": 160.5,
        "station_count": 147,
        "comparison_station_count": 147
      },
      {
        "key": "Gulf",
        "label": "Gulf",
        "change_7d": 0.4,
        "current_avg": 161.4,
        "previous_avg": 161.0,
        "station_count": 292,
        "comparison_station_count": 292
      },
      {
        "key": "Pace",
        "label": "Pace",
        "change_7d": 1.1,
        "current_avg": 161.5,
        "previous_avg": 160.4,
        "station_count": 45,
        "comparison_station_count": 45
      },
      {
        "key": "Esso",
        "label": "Esso",
        "change_7d": 1.1,
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        "previous_avg": 161.5,
        "station_count": 1457,
        "comparison_station_count": 1457
      },
      {
        "key": "BP",
        "label": "BP",
        "change_7d": 0.4,
        "current_avg": 163.7,
        "previous_avg": 163.3,
        "station_count": 1097,
        "comparison_station_count": 1097
      },
      {
        "key": "Shell",
        "label": "Shell",
        "change_7d": 0.3,
        "current_avg": 164.0,
        "previous_avg": 163.7,
        "station_count": 917,
        "comparison_station_count": 917
      },
      {
        "key": "Gleaner",
        "label": "Gleaner",
        "change_7d": 0.4,
        "current_avg": 164.2,
        "previous_avg": 163.8,
        "station_count": 27,
        "comparison_station_count": 27
      }
    ],
    "premium_diesel": [
      {
        "key": "Circle K",
        "label": "Circle K",
        "change_7d": 0.0,
        "current_avg": 179.7,
        "previous_avg": 179.7,
        "station_count": 12,
        "comparison_station_count": 12
      },
      {
        "key": "Maxol",
        "label": "Maxol",
        "change_7d": 0.1,
        "current_avg": 181.3,
        "previous_avg": 181.2,
        "station_count": 15,
        "comparison_station_count": 15
      },
      {
        "key": "Essar",
        "label": "Essar",
        "change_7d": 2.2,
        "current_avg": 183.0,
        "previous_avg": 180.8,
        "station_count": 7,
        "comparison_station_count": 7
      },
      {
        "key": "Central Convenience",
        "label": "Central Convenience",
        "change_7d": 1.0,
        "current_avg": 189.5,
        "previous_avg": 188.5,
        "station_count": 5,
        "comparison_station_count": 5
      },
      {
        "key": "Morrisons",
        "label": "Morrisons",
        "change_7d": 1.9,
        "current_avg": 189.8,
        "previous_avg": 187.9,
        "station_count": 91,
        "comparison_station_count": 91
      },
      {
        "key": "Co-op",
        "label": "Co-op",
        "change_7d": 3.7,
        "current_avg": 191.6,
        "previous_avg": 187.9,
        "station_count": 6,
        "comparison_station_count": 6
      },
      {
        "key": "Total Energies",
        "label": "Total Energies",
        "change_7d": 2.4,
        "current_avg": 191.7,
        "previous_avg": 189.3,
        "station_count": 5,
        "comparison_station_count": 5
      },
      {
        "key": "Murco",
        "label": "Murco",
        "change_7d": 0.8,
        "current_avg": 191.8,
        "previous_avg": 191.0,
        "station_count": 21,
        "comparison_station_count": 21
      },
      {
        "key": "Texaco",
        "label": "Texaco",
        "change_7d": 0.9,
        "current_avg": 194.3,
        "previous_avg": 193.4,
        "station_count": 307,
        "comparison_station_count": 306
      },
      {
        "key": "Gulf",
        "label": "Gulf",
        "change_7d": 0.7,
        "current_avg": 194.9,
        "previous_avg": 194.2,
        "station_count": 75,
        "comparison_station_count": 75
      },
      {
        "key": "Jet",
        "label": "Jet",
        "change_7d": 1.0,
        "current_avg": 194.9,
        "previous_avg": 193.9,
        "station_count": 163,
        "comparison_station_count": 163
      },
      {
        "key": "Harvest Energy",
        "label": "Harvest Energy",
        "change_7d": 3.0,
        "current_avg": 195.3,
        "previous_avg": 192.3,
        "station_count": 18,
        "comparison_station_count": 18
      },
      {
        "key": "Asda",
        "label": "Asda",
        "change_7d": 0.7,
        "current_avg": 196.0,
        "previous_avg": 195.3,
        "station_count": 53,
        "comparison_station_count": 53
      },
      {
        "key": "Esso",
        "label": "Esso",
        "change_7d": 1.1,
        "current_avg": 199.2,
        "previous_avg": 198.1,
        "station_count": 1162,
        "comparison_station_count": 1162
      },
      {
        "key": "Valero",
        "label": "Valero",
        "change_7d": 0.5,
        "current_avg": 200.4,
        "previous_avg": 199.9,
        "station_count": 117,
        "comparison_station_count": 117
      },
      {
        "key": "EG",
        "label": "EG",
        "change_7d": 1.3,
        "current_avg": 200.7,
        "previous_avg": 199.4,
        "station_count": 73,
        "comparison_station_count": 73
      },
      {
        "key": "Shell",
        "label": "Shell",
        "change_7d": 0.7,
        "current_avg": 201.2,
        "previous_avg": 200.5,
        "station_count": 868,
        "comparison_station_count": 868
      },
      {
        "key": "BP",
        "label": "BP",
        "change_7d": 0.8,
        "current_avg": 202.1,
        "previous_avg": 201.3,
        "station_count": 1002,
        "comparison_station_count": 1001
      }
    ],
    "premium_petrol": [
      {
        "key": "Circle K",
        "label": "Circle K",
        "change_7d": 0.1,
        "current_avg": 162.2,
        "previous_avg": 162.1,
        "station_count": 11,
        "comparison_station_count": 11
      },
      {
        "key": "Maxol",
        "label": "Maxol",
        "change_7d": 0.0,
        "current_avg": 163.3,
        "previous_avg": 163.2,
        "station_count": 53,
        "comparison_station_count": 52
      },
      {
        "key": "Costco",
        "label": "Costco",
        "change_7d": 1.9,
        "current_avg": 165.7,
        "previous_avg": 163.8,
        "station_count": 21,
        "comparison_station_count": 21
      },
      {
        "key": "Applegreen",
        "label": "Applegreen",
        "change_7d": 1.2,
        "current_avg": 166.3,
        "previous_avg": 165.1,
        "station_count": 5,
        "comparison_station_count": 5
      },
      {
        "key": "Pace",
        "label": "Pace",
        "change_7d": 0.5,
        "current_avg": 167.9,
        "previous_avg": 167.4,
        "station_count": 12,
        "comparison_station_count": 12
      },
      {
        "key": "Total Energies",
        "label": "Total Energies",
        "change_7d": 0.9,
        "current_avg": 169.2,
        "previous_avg": 168.3,
        "station_count": 8,
        "comparison_station_count": 8
      },
      {
        "key": "Tesco",
        "label": "Tesco",
        "change_7d": 2.2,
        "current_avg": 170.2,
        "previous_avg": 168.0,
        "station_count": 467,
        "comparison_station_count": 467
      },
      {
        "key": "Essar",
        "label": "Essar",
        "change_7d": 1.0,
        "current_avg": 170.4,
        "previous_avg": 169.4,
        "station_count": 19,
        "comparison_station_count": 19
      },
      {
        "key": "Co-op",
        "label": "Co-op",
        "change_7d": 2.1,
        "current_avg": 170.9,
        "previous_avg": 168.8,
        "station_count": 14,
        "comparison_station_count": 14
      },
      {
        "key": "Sainsburys",
        "label": "Sainsbury's",
        "change_7d": 1.3,
        "current_avg": 173.0,
        "previous_avg": 171.7,
        "station_count": 292,
        "comparison_station_count": 292
      },
      {
        "key": "Central Convenience",
        "label": "Central Convenience",
        "change_7d": 2.8,
        "current_avg": 173.4,
        "previous_avg": 170.6,
        "station_count": 11,
        "comparison_station_count": 11
      },
      {
        "key": "Murco",
        "label": "Murco",
        "change_7d": 1.0,
        "current_avg": 174.9,
        "previous_avg": 174.1,
        "station_count": 78,
        "comparison_station_count": 77
      },
      {
        "key": "Texaco",
        "label": "Texaco",
        "change_7d": 0.6,
        "current_avg": 175.7,
        "previous_avg": 175.1,
        "station_count": 411,
        "comparison_station_count": 409
      },
      {
        "key": "Harvest Energy",
        "label": "Harvest Energy",
        "change_7d": 1.4,
        "current_avg": 175.9,
        "previous_avg": 174.5,
        "station_count": 36,
        "comparison_station_count": 36
      },
      {
        "key": "Gulf",
        "label": "Gulf",
        "change_7d": 0.5,
        "current_avg": 176.3,
        "previous_avg": 175.8,
        "station_count": 156,
        "comparison_station_count": 156
      },
      {
        "key": "Morrisons",
        "label": "Morrisons",
        "change_7d": 0.0,
        "current_avg": 176.5,
        "previous_avg": 176.5,
        "station_count": 339,
        "comparison_station_count": 339
      },
      {
        "key": "Jet",
        "label": "Jet",
        "change_7d": 0.5,
        "current_avg": 176.6,
        "previous_avg": 176.1,
        "station_count": 244,
        "comparison_station_count": 244
      },
      {
        "key": "Asda",
        "label": "Asda",
        "change_7d": 0.6,
        "current_avg": 176.7,
        "previous_avg": 176.1,
        "station_count": 78,
        "comparison_station_count": 78
      },
      {
        "key": "Gleaner",
        "label": "Gleaner",
        "change_7d": 0.1,
        "current_avg": 176.7,
        "previous_avg": 176.6,
        "station_count": 6,
        "comparison_station_count": 6
      },
      {
        "key": "Esso",
        "label": "Esso",
        "change_7d": 0.6,
        "current_avg": 179.8,
        "previous_avg": 179.2,
        "station_count": 1357,
        "comparison_station_count": 1357
      },
      {
        "key": "Valero",
        "label": "Valero",
        "change_7d": 0.3,
        "current_avg": 179.8,
        "previous_avg": 179.5,
        "station_count": 120,
        "comparison_station_count": 120
      },
      {
        "key": "EG",
        "label": "EG",
        "change_7d": 1.0,
        "current_avg": 181.0,
        "previous_avg": 180.0,
        "station_count": 126,
        "comparison_station_count": 126
      },
      {
        "key": "BP",
        "label": "BP",
        "change_7d": 0.1,
        "current_avg": 181.9,
        "previous_avg": 181.8,
        "station_count": 1045,
        "comparison_station_count": 1044
      },
      {
        "key": "Shell",
        "label": "Shell",
        "change_7d": 0.4,
        "current_avg": 186.6,
        "previous_avg": 186.2,
        "station_count": 910,
        "comparison_station_count": 910
      }
    ]
  },
  "source_updated_at": "2026-08-09T22:57:54+00:00",
  "methodology_version": "1.0-historical",
  "active_station_count": 8079,
  "supermarket_comparison": {
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      "saving": 3.1,
      "other_avg": 182.4,
      "supermarket_avg": 179.3,
      "tank_saving_gbp": 1.71,
      "comparison_station_count": 6375,
      "supermarket_station_count": 1621
    },
    "petrol": {
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      "other_avg": 161.8,
      "supermarket_avg": 160.2,
      "tank_saving_gbp": 0.88,
      "comparison_station_count": 6263,
      "supermarket_station_count": 1621
    },
    "premium_diesel": {
      "saving": 7.6,
      "other_avg": 199.0,
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      "tank_saving_gbp": 4.18,
      "comparison_station_count": 4101,
      "supermarket_station_count": 153
    },
    "premium_petrol": {
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      "supermarket_avg": 173.0,
      "tank_saving_gbp": 3.69,
      "comparison_station_count": 5087,
      "supermarket_station_count": 1211
    }
  },
  "historical_station_universe_count": 8143
}