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  "is_live": false,
  "findings": [
    {
      "kind": "national",
      "title": "Petrol (E10) rose 0.7p",
      "detail": "The equal-station UK average ended the week at 174.5p per litre across 7,973 stations."
    },
    {
      "kind": "national",
      "title": "Diesel (B7) rose 0.8p",
      "detail": "The equal-station UK average ended the week at 199.7p per litre across 8,109 stations."
    },
    {
      "kind": "retailer",
      "title": "Nicholl had the lowest retailer petrol average",
      "detail": "Its measured average was 166.3p per litre across 5 stations."
    },
    {
      "kind": "area",
      "title": "ZE postcode area was the fastest-rising petrol area",
      "detail": "The postcode-area average increased 1.8p to 174.8p per litre."
    },
    {
      "kind": "motorway",
      "title": "Motorway petrol carried a 21.3p premium",
      "detail": "That is about \u00a311.71 on a 55-litre fill compared with non-motorway stations."
    },
    {
      "kind": "supermarket",
      "title": "Supermarket petrol averaged 1.4p less",
      "detail": "The measured gap equates to about \u00a30.77 on a 55-litre fill."
    }
  ],
  "headline": "Petrol rose 0.7p and diesel rose 0.8p in the week to 4 October 2026",
  "week_start": "2026-09-28",
  "area_movers": {
    "diesel": {
      "rising": [
        {
          "key": "WD",
          "label": "WD postcode area",
          "change_7d": 2.5,
          "current_avg": 197.2,
          "previous_avg": 194.7,
          "station_count": 25,
          "comparison_station_count": 25
        },
        {
          "key": "EN",
          "label": "EN postcode area",
          "change_7d": 1.9,
          "current_avg": 200.7,
          "previous_avg": 198.8,
          "station_count": 38,
          "comparison_station_count": 37
        },
        {
          "key": "KW",
          "label": "KW postcode area",
          "change_7d": 1.8,
          "current_avg": 198.1,
          "previous_avg": 196.3,
          "station_count": 26,
          "comparison_station_count": 26
        },
        {
          "key": "CR",
          "label": "CR postcode area",
          "change_7d": 1.6,
          "current_avg": 200.6,
          "previous_avg": 199.0,
          "station_count": 33,
          "comparison_station_count": 33
        },
        {
          "key": "SG",
          "label": "SG postcode area",
          "change_7d": 1.4,
          "current_avg": 199.9,
          "previous_avg": 198.5,
          "station_count": 55,
          "comparison_station_count": 55
        }
      ],
      "falling": [
        {
          "key": "LN",
          "label": "LN postcode area",
          "change_7d": -0.1,
          "current_avg": 200.4,
          "previous_avg": 200.5,
          "station_count": 50,
          "comparison_station_count": 50
        }
      ]
    },
    "petrol": {
      "rising": [
        {
          "key": "ZE",
          "label": "ZE postcode area",
          "change_7d": 1.8,
          "current_avg": 174.8,
          "previous_avg": 173.0,
          "station_count": 11,
          "comparison_station_count": 11
        },
        {
          "key": "WD",
          "label": "WD postcode area",
          "change_7d": 1.7,
          "current_avg": 173.7,
          "previous_avg": 172.0,
          "station_count": 25,
          "comparison_station_count": 25
        },
        {
          "key": "FY",
          "label": "FY postcode area",
          "change_7d": 1.5,
          "current_avg": 173.7,
          "previous_avg": 172.2,
          "station_count": 26,
          "comparison_station_count": 26
        },
        {
          "key": "CT",
          "label": "CT postcode area",
          "change_7d": 1.5,
          "current_avg": 176.8,
          "previous_avg": 175.3,
          "station_count": 53,
          "comparison_station_count": 53
        },
        {
          "key": "EN",
          "label": "EN postcode area",
          "change_7d": 1.4,
          "current_avg": 174.5,
          "previous_avg": 173.1,
          "station_count": 38,
          "comparison_station_count": 38
        }
      ],
      "falling": [
        {
          "key": "HS",
          "label": "HS postcode area",
          "change_7d": -0.2,
          "current_avg": 176.9,
          "previous_avg": 177.1,
          "station_count": 13,
          "comparison_station_count": 13
        }
      ]
    },
    "premium_diesel": {
      "rising": [
        {
          "key": "PA",
          "label": "PA postcode area",
          "change_7d": 4.2,
          "current_avg": 215.8,
          "previous_avg": 211.6,
          "station_count": 11,
          "comparison_station_count": 11
        },
        {
          "key": "HA",
          "label": "HA postcode area",
          "change_7d": 3.4,
          "current_avg": 220.1,
          "previous_avg": 216.7,
          "station_count": 21,
          "comparison_station_count": 21
        },
        {
          "key": "M",
          "label": "M postcode area",
          "change_7d": 3.3,
          "current_avg": 218.4,
          "previous_avg": 215.1,
          "station_count": 69,
          "comparison_station_count": 69
        },
        {
          "key": "SE",
          "label": "SE postcode area",
          "change_7d": 2.9,
          "current_avg": 220.8,
          "previous_avg": 217.9,
          "station_count": 36,
          "comparison_station_count": 36
        },
        {
          "key": "EN",
          "label": "EN postcode area",
          "change_7d": 2.5,
          "current_avg": 218.6,
          "previous_avg": 216.1,
          "station_count": 21,
          "comparison_station_count": 21
        }
      ],
      "falling": [
        {
          "key": "NN",
          "label": "NN postcode area",
          "change_7d": -0.2,
          "current_avg": 219.5,
          "previous_avg": 219.7,
          "station_count": 56,
          "comparison_station_count": 56
        }
      ]
    },
    "premium_petrol": {
      "rising": [
        {
          "key": "HA",
          "label": "HA postcode area",
          "change_7d": 2.9,
          "current_avg": 193.8,
          "previous_avg": 190.9,
          "station_count": 27,
          "comparison_station_count": 27
        },
        {
          "key": "CT",
          "label": "CT postcode area",
          "change_7d": 2.8,
          "current_avg": 193.6,
          "previous_avg": 190.8,
          "station_count": 49,
          "comparison_station_count": 49
        },
        {
          "key": "CR",
          "label": "CR postcode area",
          "change_7d": 2.8,
          "current_avg": 194.5,
          "previous_avg": 191.7,
          "station_count": 32,
          "comparison_station_count": 32
        },
        {
          "key": "PA",
          "label": "PA postcode area",
          "change_7d": 2.8,
          "current_avg": 188.2,
          "previous_avg": 185.4,
          "station_count": 30,
          "comparison_station_count": 30
        },
        {
          "key": "EH",
          "label": "EH postcode area",
          "change_7d": 2.7,
          "current_avg": 193.6,
          "previous_avg": 190.9,
          "station_count": 73,
          "comparison_station_count": 73
        }
      ],
      "falling": [
        {
          "key": "ZE",
          "label": "ZE postcode area",
          "change_7d": -0.6,
          "current_avg": 178.6,
          "previous_avg": 179.2,
          "station_count": 5,
          "comparison_station_count": 5
        },
        {
          "key": "HS",
          "label": "HS postcode area",
          "change_7d": -0.5,
          "current_avg": 172.7,
          "previous_avg": 173.2,
          "station_count": 8,
          "comparison_station_count": 8
        },
        {
          "key": "BT",
          "label": "BT postcode area",
          "change_7d": -0.2,
          "current_avg": 174.8,
          "previous_avg": 175.0,
          "station_count": 236,
          "comparison_station_count": 236
        }
      ]
    }
  },
  "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": "2026-10-04",
  "generated_at": "2026-10-05T07:31:19.535715+00:00",
  "motorway_premium": {
    "diesel": {
      "premium": 16.5,
      "other_avg": 199.5,
      "motorway_avg": 216.0,
      "tank_premium_gbp": 9.07,
      "motorway_station_count": 136,
      "comparison_station_count": 7973
    },
    "petrol": {
      "premium": 21.3,
      "other_avg": 174.2,
      "motorway_avg": 195.5,
      "tank_premium_gbp": 11.71,
      "motorway_station_count": 136,
      "comparison_station_count": 7837
    },
    "premium_diesel": {
      "premium": 15.1,
      "other_avg": 216.7,
      "motorway_avg": 231.8,
      "tank_premium_gbp": 8.3,
      "motorway_station_count": 132,
      "comparison_station_count": 4148
    },
    "premium_petrol": {
      "premium": 23.2,
      "other_avg": 191.1,
      "motorway_avg": 214.3,
      "tank_premium_gbp": 12.76,
      "motorway_station_count": 132,
      "comparison_station_count": 6215
    }
  },
  "retailer_rankings": {
    "diesel": [
      {
        "key": "Costco",
        "label": "Costco",
        "change_7d": 1.9,
        "current_avg": 191.7,
        "previous_avg": 189.8,
        "station_count": 22,
        "comparison_station_count": 22
      },
      {
        "key": "Circle K",
        "label": "Circle K",
        "change_7d": -0.5,
        "current_avg": 192.5,
        "previous_avg": 193.0,
        "station_count": 48,
        "comparison_station_count": 48
      },
      {
        "key": "Solo",
        "label": "Solo",
        "change_7d": 0.2,
        "current_avg": 193.4,
        "previous_avg": 193.2,
        "station_count": 8,
        "comparison_station_count": 8
      },
      {
        "key": "Emo",
        "label": "Emo",
        "change_7d": -0.1,
        "current_avg": 194.4,
        "previous_avg": 194.5,
        "station_count": 18,
        "comparison_station_count": 18
      },
      {
        "key": "Maxol",
        "label": "Maxol",
        "change_7d": 0.2,
        "current_avg": 194.9,
        "previous_avg": 194.7,
        "station_count": 94,
        "comparison_station_count": 93
      },
      {
        "key": "Nicholl",
        "label": "Nicholl",
        "change_7d": 0.4,
        "current_avg": 195.1,
        "previous_avg": 194.7,
        "station_count": 5,
        "comparison_station_count": 5
      },
      {
        "key": "Tesco",
        "label": "Tesco",
        "change_7d": 2.2,
        "current_avg": 197.5,
        "previous_avg": 195.3,
        "station_count": 516,
        "comparison_station_count": 516
      },
      {
        "key": "Sainsburys",
        "label": "Sainsbury's",
        "change_7d": 1.2,
        "current_avg": 197.8,
        "previous_avg": 196.6,
        "station_count": 316,
        "comparison_station_count": 316
      },
      {
        "key": "Asda",
        "label": "Asda",
        "change_7d": 1.3,
        "current_avg": 197.9,
        "previous_avg": 196.6,
        "station_count": 405,
        "comparison_station_count": 405
      },
      {
        "key": "Applegreen",
        "label": "Applegreen",
        "change_7d": 0.0,
        "current_avg": 198.2,
        "previous_avg": 198.2,
        "station_count": 13,
        "comparison_station_count": 13
      },
      {
        "key": "Texaco",
        "label": "Texaco",
        "change_7d": 0.6,
        "current_avg": 198.6,
        "previous_avg": 198.0,
        "station_count": 500,
        "comparison_station_count": 500
      },
      {
        "key": "Co-op",
        "label": "Co-op",
        "change_7d": 0.9,
        "current_avg": 198.7,
        "previous_avg": 197.8,
        "station_count": 20,
        "comparison_station_count": 20
      },
      {
        "key": "Murco",
        "label": "Murco",
        "change_7d": 0.5,
        "current_avg": 198.8,
        "previous_avg": 198.3,
        "station_count": 171,
        "comparison_station_count": 171
      },
      {
        "key": "Essar",
        "label": "Essar",
        "change_7d": 1.2,
        "current_avg": 198.9,
        "previous_avg": 197.7,
        "station_count": 49,
        "comparison_station_count": 49
      },
      {
        "key": "Morrisons",
        "label": "Morrisons",
        "change_7d": 0.9,
        "current_avg": 198.9,
        "previous_avg": 198.0,
        "station_count": 340,
        "comparison_station_count": 340
      },
      {
        "key": "Total Energies",
        "label": "Total Energies",
        "change_7d": 0.5,
        "current_avg": 199.0,
        "previous_avg": 198.5,
        "station_count": 26,
        "comparison_station_count": 26
      },
      {
        "key": "Jet",
        "label": "Jet",
        "change_7d": 0.7,
        "current_avg": 199.4,
        "previous_avg": 198.7,
        "station_count": 316,
        "comparison_station_count": 315
      },
      {
        "key": "EG",
        "label": "EG",
        "change_7d": 0.0,
        "current_avg": 199.6,
        "previous_avg": 199.6,
        "station_count": 157,
        "comparison_station_count": 156
      },
      {
        "key": "Pace",
        "label": "Pace",
        "change_7d": 1.1,
        "current_avg": 200.2,
        "previous_avg": 199.1,
        "station_count": 51,
        "comparison_station_count": 51
      },
      {
        "key": "Gulf",
        "label": "Gulf",
        "change_7d": 0.5,
        "current_avg": 200.3,
        "previous_avg": 199.8,
        "station_count": 304,
        "comparison_station_count": 304
      },
      {
        "key": "Valero",
        "label": "Valero",
        "change_7d": 1.4,
        "current_avg": 200.5,
        "previous_avg": 199.1,
        "station_count": 183,
        "comparison_station_count": 183
      },
      {
        "key": "Esso",
        "label": "Esso",
        "change_7d": 0.7,
        "current_avg": 201.1,
        "previous_avg": 200.4,
        "station_count": 1453,
        "comparison_station_count": 1453
      },
      {
        "key": "Shell",
        "label": "Shell",
        "change_7d": 1.0,
        "current_avg": 201.2,
        "previous_avg": 200.2,
        "station_count": 916,
        "comparison_station_count": 916
      },
      {
        "key": "Gleaner",
        "label": "Gleaner",
        "change_7d": 1.4,
        "current_avg": 201.7,
        "previous_avg": 200.3,
        "station_count": 27,
        "comparison_station_count": 27
      },
      {
        "key": "Harvest Energy",
        "label": "Harvest Energy",
        "change_7d": 0.6,
        "current_avg": 202.0,
        "previous_avg": 201.4,
        "station_count": 15,
        "comparison_station_count": 15
      },
      {
        "key": "BP",
        "label": "BP",
        "change_7d": 0.5,
        "current_avg": 202.1,
        "previous_avg": 201.6,
        "station_count": 1101,
        "comparison_station_count": 1101
      },
      {
        "key": "Central Convenience",
        "label": "Central Convenience",
        "change_7d": 2.3,
        "current_avg": 204.9,
        "previous_avg": 202.6,
        "station_count": 18,
        "comparison_station_count": 18
      }
    ],
    "petrol": [
      {
        "key": "Nicholl",
        "label": "Nicholl",
        "change_7d": 0.0,
        "current_avg": 166.3,
        "previous_avg": 166.3,
        "station_count": 5,
        "comparison_station_count": 5
      },
      {
        "key": "Costco",
        "label": "Costco",
        "change_7d": 1.1,
        "current_avg": 166.9,
        "previous_avg": 165.8,
        "station_count": 22,
        "comparison_station_count": 22
      },
      {
        "key": "Circle K",
        "label": "Circle K",
        "change_7d": -0.3,
        "current_avg": 167.4,
        "previous_avg": 167.7,
        "station_count": 49,
        "comparison_station_count": 49
      },
      {
        "key": "Maxol",
        "label": "Maxol",
        "change_7d": -0.1,
        "current_avg": 167.6,
        "previous_avg": 167.7,
        "station_count": 92,
        "comparison_station_count": 91
      },
      {
        "key": "Solo",
        "label": "Solo",
        "change_7d": 0.0,
        "current_avg": 168.2,
        "previous_avg": 168.2,
        "station_count": 6,
        "comparison_station_count": 6
      },
      {
        "key": "Emo",
        "label": "Emo",
        "change_7d": 0.1,
        "current_avg": 169.7,
        "previous_avg": 169.6,
        "station_count": 18,
        "comparison_station_count": 18
      },
      {
        "key": "Texaco",
        "label": "Texaco",
        "change_7d": 0.4,
        "current_avg": 173.0,
        "previous_avg": 172.6,
        "station_count": 505,
        "comparison_station_count": 505
      },
      {
        "key": "Total Energies",
        "label": "Total Energies",
        "change_7d": 0.8,
        "current_avg": 173.0,
        "previous_avg": 172.2,
        "station_count": 27,
        "comparison_station_count": 27
      },
      {
        "key": "Applegreen",
        "label": "Applegreen",
        "change_7d": 0.0,
        "current_avg": 173.2,
        "previous_avg": 173.2,
        "station_count": 13,
        "comparison_station_count": 13
      },
      {
        "key": "Asda",
        "label": "Asda",
        "change_7d": 0.7,
        "current_avg": 173.3,
        "previous_avg": 172.6,
        "station_count": 405,
        "comparison_station_count": 405
      },
      {
        "key": "Tesco",
        "label": "Tesco",
        "change_7d": 2.4,
        "current_avg": 173.3,
        "previous_avg": 170.9,
        "station_count": 516,
        "comparison_station_count": 516
      },
      {
        "key": "Jet",
        "label": "Jet",
        "change_7d": 0.6,
        "current_avg": 173.4,
        "previous_avg": 172.8,
        "station_count": 316,
        "comparison_station_count": 315
      },
      {
        "key": "Murco",
        "label": "Murco",
        "change_7d": 0.6,
        "current_avg": 173.5,
        "previous_avg": 172.9,
        "station_count": 173,
        "comparison_station_count": 173
      },
      {
        "key": "Co-op",
        "label": "Co-op",
        "change_7d": 0.5,
        "current_avg": 173.7,
        "previous_avg": 173.2,
        "station_count": 20,
        "comparison_station_count": 20
      },
      {
        "key": "Morrisons",
        "label": "Morrisons",
        "change_7d": 1.0,
        "current_avg": 173.7,
        "previous_avg": 172.7,
        "station_count": 340,
        "comparison_station_count": 340
      },
      {
        "key": "Valero",
        "label": "Valero",
        "change_7d": 0.9,
        "current_avg": 173.7,
        "previous_avg": 172.8,
        "station_count": 183,
        "comparison_station_count": 183
      },
      {
        "key": "Sainsburys",
        "label": "Sainsbury's",
        "change_7d": 1.3,
        "current_avg": 173.8,
        "previous_avg": 172.5,
        "station_count": 316,
        "comparison_station_count": 316
      },
      {
        "key": "Essar",
        "label": "Essar",
        "change_7d": 0.9,
        "current_avg": 174.0,
        "previous_avg": 173.1,
        "station_count": 50,
        "comparison_station_count": 50
      },
      {
        "key": "EG",
        "label": "EG",
        "change_7d": 0.5,
        "current_avg": 174.4,
        "previous_avg": 173.9,
        "station_count": 158,
        "comparison_station_count": 158
      },
      {
        "key": "Gulf",
        "label": "Gulf",
        "change_7d": 0.5,
        "current_avg": 174.7,
        "previous_avg": 174.2,
        "station_count": 303,
        "comparison_station_count": 303
      },
      {
        "key": "Pace",
        "label": "Pace",
        "change_7d": 1.0,
        "current_avg": 174.8,
        "previous_avg": 173.8,
        "station_count": 46,
        "comparison_station_count": 46
      },
      {
        "key": "Esso",
        "label": "Esso",
        "change_7d": 0.7,
        "current_avg": 175.5,
        "previous_avg": 174.8,
        "station_count": 1458,
        "comparison_station_count": 1458
      },
      {
        "key": "Harvest Energy",
        "label": "Harvest Energy",
        "change_7d": 0.4,
        "current_avg": 175.6,
        "previous_avg": 175.2,
        "station_count": 15,
        "comparison_station_count": 15
      },
      {
        "key": "Shell",
        "label": "Shell",
        "change_7d": 0.4,
        "current_avg": 176.6,
        "previous_avg": 176.2,
        "station_count": 918,
        "comparison_station_count": 918
      },
      {
        "key": "BP",
        "label": "BP",
        "change_7d": 0.4,
        "current_avg": 176.9,
        "previous_avg": 176.5,
        "station_count": 1104,
        "comparison_station_count": 1104
      },
      {
        "key": "Gleaner",
        "label": "Gleaner",
        "change_7d": 0.5,
        "current_avg": 177.2,
        "previous_avg": 176.7,
        "station_count": 27,
        "comparison_station_count": 27
      },
      {
        "key": "Central Convenience",
        "label": "Central Convenience",
        "change_7d": 0.9,
        "current_avg": 177.7,
        "previous_avg": 176.8,
        "station_count": 18,
        "comparison_station_count": 18
      }
    ],
    "premium_diesel": [
      {
        "key": "Circle K",
        "label": "Circle K",
        "change_7d": -0.8,
        "current_avg": 196.7,
        "previous_avg": 197.5,
        "station_count": 13,
        "comparison_station_count": 13
      },
      {
        "key": "Essar",
        "label": "Essar",
        "change_7d": 1.6,
        "current_avg": 196.9,
        "previous_avg": 195.3,
        "station_count": 9,
        "comparison_station_count": 9
      },
      {
        "key": "Maxol",
        "label": "Maxol",
        "change_7d": -0.3,
        "current_avg": 198.1,
        "previous_avg": 198.4,
        "station_count": 15,
        "comparison_station_count": 15
      },
      {
        "key": "Morrisons",
        "label": "Morrisons",
        "change_7d": 0.8,
        "current_avg": 208.2,
        "previous_avg": 207.4,
        "station_count": 91,
        "comparison_station_count": 91
      },
      {
        "key": "Central Convenience",
        "label": "Central Convenience",
        "change_7d": 5.4,
        "current_avg": 208.5,
        "previous_avg": 203.1,
        "station_count": 5,
        "comparison_station_count": 5
      },
      {
        "key": "Co-op",
        "label": "Co-op",
        "change_7d": 0.5,
        "current_avg": 210.9,
        "previous_avg": 210.4,
        "station_count": 6,
        "comparison_station_count": 6
      },
      {
        "key": "Gulf",
        "label": "Gulf",
        "change_7d": 0.3,
        "current_avg": 210.9,
        "previous_avg": 210.6,
        "station_count": 78,
        "comparison_station_count": 78
      },
      {
        "key": "Murco",
        "label": "Murco",
        "change_7d": 0.5,
        "current_avg": 210.9,
        "previous_avg": 210.4,
        "station_count": 20,
        "comparison_station_count": 20
      },
      {
        "key": "Texaco",
        "label": "Texaco",
        "change_7d": 0.9,
        "current_avg": 211.1,
        "previous_avg": 210.2,
        "station_count": 287,
        "comparison_station_count": 287
      },
      {
        "key": "Total Energies",
        "label": "Total Energies",
        "change_7d": 0.7,
        "current_avg": 212.4,
        "previous_avg": 211.7,
        "station_count": 13,
        "comparison_station_count": 13
      },
      {
        "key": "Asda",
        "label": "Asda",
        "change_7d": -0.3,
        "current_avg": 212.7,
        "previous_avg": 213.0,
        "station_count": 53,
        "comparison_station_count": 53
      },
      {
        "key": "Jet",
        "label": "Jet",
        "change_7d": 1.8,
        "current_avg": 212.8,
        "previous_avg": 211.0,
        "station_count": 164,
        "comparison_station_count": 164
      },
      {
        "key": "Valero",
        "label": "Valero",
        "change_7d": 3.6,
        "current_avg": 216.2,
        "previous_avg": 212.6,
        "station_count": 145,
        "comparison_station_count": 145
      },
      {
        "key": "Esso",
        "label": "Esso",
        "change_7d": 2.3,
        "current_avg": 217.8,
        "previous_avg": 215.5,
        "station_count": 1165,
        "comparison_station_count": 1165
      },
      {
        "key": "EG",
        "label": "EG",
        "change_7d": 0.2,
        "current_avg": 219.0,
        "previous_avg": 218.7,
        "station_count": 81,
        "comparison_station_count": 80
      },
      {
        "key": "BP",
        "label": "BP",
        "change_7d": 1.0,
        "current_avg": 219.9,
        "previous_avg": 218.9,
        "station_count": 1009,
        "comparison_station_count": 1009
      },
      {
        "key": "Shell",
        "label": "Shell",
        "change_7d": 1.1,
        "current_avg": 222.5,
        "previous_avg": 221.4,
        "station_count": 870,
        "comparison_station_count": 870
      }
    ],
    "premium_petrol": [
      {
        "key": "Circle K",
        "label": "Circle K",
        "change_7d": -1.1,
        "current_avg": 173.1,
        "previous_avg": 174.2,
        "station_count": 14,
        "comparison_station_count": 14
      },
      {
        "key": "Maxol",
        "label": "Maxol",
        "change_7d": -0.1,
        "current_avg": 175.8,
        "previous_avg": 175.9,
        "station_count": 53,
        "comparison_station_count": 53
      },
      {
        "key": "Costco",
        "label": "Costco",
        "change_7d": 1.8,
        "current_avg": 177.0,
        "previous_avg": 175.2,
        "station_count": 22,
        "comparison_station_count": 22
      },
      {
        "key": "Pace",
        "label": "Pace",
        "change_7d": 1.0,
        "current_avg": 178.8,
        "previous_avg": 177.8,
        "station_count": 12,
        "comparison_station_count": 12
      },
      {
        "key": "Applegreen",
        "label": "Applegreen",
        "change_7d": 0.0,
        "current_avg": 179.1,
        "previous_avg": 179.1,
        "station_count": 5,
        "comparison_station_count": 5
      },
      {
        "key": "Essar",
        "label": "Essar",
        "change_7d": 0.9,
        "current_avg": 182.1,
        "previous_avg": 181.2,
        "station_count": 23,
        "comparison_station_count": 23
      },
      {
        "key": "Tesco",
        "label": "Tesco",
        "change_7d": 2.5,
        "current_avg": 183.7,
        "previous_avg": 181.2,
        "station_count": 464,
        "comparison_station_count": 464
      },
      {
        "key": "Co-op",
        "label": "Co-op",
        "change_7d": 0.5,
        "current_avg": 184.5,
        "previous_avg": 184.0,
        "station_count": 14,
        "comparison_station_count": 14
      },
      {
        "key": "Total Energies",
        "label": "Total Energies",
        "change_7d": 0.9,
        "current_avg": 185.4,
        "previous_avg": 184.5,
        "station_count": 19,
        "comparison_station_count": 19
      },
      {
        "key": "Sainsburys",
        "label": "Sainsbury's",
        "change_7d": 1.4,
        "current_avg": 185.8,
        "previous_avg": 184.4,
        "station_count": 292,
        "comparison_station_count": 292
      },
      {
        "key": "Gleaner",
        "label": "Gleaner",
        "change_7d": 1.2,
        "current_avg": 187.9,
        "previous_avg": 186.7,
        "station_count": 6,
        "comparison_station_count": 6
      },
      {
        "key": "Murco",
        "label": "Murco",
        "change_7d": 0.8,
        "current_avg": 188.0,
        "previous_avg": 187.2,
        "station_count": 81,
        "comparison_station_count": 81
      },
      {
        "key": "Central Convenience",
        "label": "Central Convenience",
        "change_7d": 0.8,
        "current_avg": 188.4,
        "previous_avg": 187.6,
        "station_count": 11,
        "comparison_station_count": 11
      },
      {
        "key": "Texaco",
        "label": "Texaco",
        "change_7d": 0.5,
        "current_avg": 188.4,
        "previous_avg": 187.9,
        "station_count": 388,
        "comparison_station_count": 388
      },
      {
        "key": "Gulf",
        "label": "Gulf",
        "change_7d": 0.9,
        "current_avg": 188.7,
        "previous_avg": 187.8,
        "station_count": 162,
        "comparison_station_count": 162
      },
      {
        "key": "Jet",
        "label": "Jet",
        "change_7d": 1.5,
        "current_avg": 189.5,
        "previous_avg": 188.0,
        "station_count": 246,
        "comparison_station_count": 246
      },
      {
        "key": "Asda",
        "label": "Asda",
        "change_7d": -0.8,
        "current_avg": 189.6,
        "previous_avg": 190.4,
        "station_count": 78,
        "comparison_station_count": 78
      },
      {
        "key": "Morrisons",
        "label": "Morrisons",
        "change_7d": 4.3,
        "current_avg": 190.8,
        "previous_avg": 186.5,
        "station_count": 339,
        "comparison_station_count": 339
      },
      {
        "key": "Valero",
        "label": "Valero",
        "change_7d": 2.1,
        "current_avg": 191.5,
        "previous_avg": 189.4,
        "station_count": 153,
        "comparison_station_count": 153
      },
      {
        "key": "Esso",
        "label": "Esso",
        "change_7d": 2.8,
        "current_avg": 193.9,
        "previous_avg": 191.1,
        "station_count": 1358,
        "comparison_station_count": 1358
      },
      {
        "key": "EG",
        "label": "EG",
        "change_7d": 0.6,
        "current_avg": 194.1,
        "previous_avg": 193.5,
        "station_count": 138,
        "comparison_station_count": 137
      },
      {
        "key": "BP",
        "label": "BP",
        "change_7d": 1.4,
        "current_avg": 195.5,
        "previous_avg": 194.1,
        "station_count": 1053,
        "comparison_station_count": 1053
      },
      {
        "key": "Harvest Energy",
        "label": "Harvest Energy",
        "change_7d": 0.3,
        "current_avg": 195.7,
        "previous_avg": 195.4,
        "station_count": 11,
        "comparison_station_count": 11
      },
      {
        "key": "Shell",
        "label": "Shell",
        "change_7d": 0.4,
        "current_avg": 199.2,
        "previous_avg": 198.8,
        "station_count": 911,
        "comparison_station_count": 911
      }
    ]
  },
  "source_updated_at": "2026-10-04T22:55:35+00:00",
  "methodology_version": "1.0-historical",
  "active_station_count": 8069,
  "supermarket_comparison": {
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      "saving": 2.3,
      "other_avg": 200.2,
      "supermarket_avg": 197.9,
      "tank_saving_gbp": 1.26,
      "comparison_station_count": 6490,
      "supermarket_station_count": 1619
    },
    "petrol": {
      "saving": 1.4,
      "other_avg": 174.8,
      "supermarket_avg": 173.4,
      "tank_saving_gbp": 0.77,
      "comparison_station_count": 6354,
      "supermarket_station_count": 1619
    },
    "premium_diesel": {
      "saving": 7.5,
      "other_avg": 217.4,
      "supermarket_avg": 209.9,
      "tank_saving_gbp": 4.12,
      "comparison_station_count": 4130,
      "supermarket_station_count": 150
    },
    "premium_petrol": {
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      "supermarket_avg": 186.5,
      "tank_saving_gbp": 3.46,
      "comparison_station_count": 5138,
      "supermarket_station_count": 1209
    }
  },
  "historical_station_universe_count": 8238
}