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  "is_live": false,
  "findings": [
    {
      "kind": "national",
      "title": "Petrol (E10) rose 3.0p",
      "detail": "The equal-station UK average ended the week at 160.6p per litre across 7,877 stations."
    },
    {
      "kind": "national",
      "title": "Diesel (B7) rose 4.6p",
      "detail": "The equal-station UK average ended the week at 180.1p per litre across 7,984 stations."
    },
    {
      "kind": "retailer",
      "title": "Costco had the lowest retailer petrol average",
      "detail": "Its measured average was 151.4p per litre across 21 stations."
    },
    {
      "kind": "area",
      "title": "SR postcode area was the fastest-rising petrol area",
      "detail": "The postcode-area average increased 5.0p to 160.6p per litre."
    },
    {
      "kind": "motorway",
      "title": "Motorway petrol carried a 17.1p premium",
      "detail": "That is about \u00a39.41 on a 55-litre fill compared with non-motorway stations."
    },
    {
      "kind": "supermarket",
      "title": "Supermarket petrol averaged 2.6p less",
      "detail": "The measured gap equates to about \u00a31.43 on a 55-litre fill."
    }
  ],
  "headline": "Petrol rose 3.0p and diesel rose 4.6p in the week to 2 August 2026",
  "week_start": "2026-07-27",
  "area_movers": {
    "diesel": {
      "rising": [
        {
          "key": "HS",
          "label": "HS postcode area",
          "change_7d": 7.5,
          "current_avg": 188.6,
          "previous_avg": 181.1,
          "station_count": 14,
          "comparison_station_count": 14
        },
        {
          "key": "WS",
          "label": "WS postcode area",
          "change_7d": 6.4,
          "current_avg": 180.3,
          "previous_avg": 173.9,
          "station_count": 51,
          "comparison_station_count": 51
        },
        {
          "key": "TD",
          "label": "TD postcode area",
          "change_7d": 6.2,
          "current_avg": 179.5,
          "previous_avg": 173.3,
          "station_count": 24,
          "comparison_station_count": 24
        },
        {
          "key": "KA",
          "label": "KA postcode area",
          "change_7d": 6.0,
          "current_avg": 178.2,
          "previous_avg": 172.2,
          "station_count": 55,
          "comparison_station_count": 55
        },
        {
          "key": "WR",
          "label": "WR postcode area",
          "change_7d": 5.9,
          "current_avg": 182.1,
          "previous_avg": 176.2,
          "station_count": 46,
          "comparison_station_count": 46
        }
      ],
      "falling": []
    },
    "petrol": {
      "rising": [
        {
          "key": "SR",
          "label": "SR postcode area",
          "change_7d": 5.0,
          "current_avg": 160.6,
          "previous_avg": 155.6,
          "station_count": 26,
          "comparison_station_count": 26
        },
        {
          "key": "WS",
          "label": "WS postcode area",
          "change_7d": 4.5,
          "current_avg": 161.1,
          "previous_avg": 156.6,
          "station_count": 51,
          "comparison_station_count": 51
        },
        {
          "key": "WR",
          "label": "WR postcode area",
          "change_7d": 4.4,
          "current_avg": 162.9,
          "previous_avg": 158.5,
          "station_count": 47,
          "comparison_station_count": 47
        },
        {
          "key": "UB",
          "label": "UB postcode area",
          "change_7d": 4.3,
          "current_avg": 163.2,
          "previous_avg": 158.9,
          "station_count": 35,
          "comparison_station_count": 35
        },
        {
          "key": "HA",
          "label": "HA postcode area",
          "change_7d": 4.1,
          "current_avg": 161.3,
          "previous_avg": 157.2,
          "station_count": 29,
          "comparison_station_count": 29
        }
      ],
      "falling": []
    },
    "premium_diesel": {
      "rising": [
        {
          "key": "LD",
          "label": "LD postcode area",
          "change_7d": 6.8,
          "current_avg": 195.7,
          "previous_avg": 188.9,
          "station_count": 5,
          "comparison_station_count": 5
        },
        {
          "key": "IV",
          "label": "IV postcode area",
          "change_7d": 5.4,
          "current_avg": 202.5,
          "previous_avg": 197.1,
          "station_count": 11,
          "comparison_station_count": 11
        },
        {
          "key": "BT",
          "label": "BT postcode area",
          "change_7d": 5.2,
          "current_avg": 180.3,
          "previous_avg": 175.1,
          "station_count": 113,
          "comparison_station_count": 112
        },
        {
          "key": "ST",
          "label": "ST postcode area",
          "change_7d": 5.1,
          "current_avg": 198.7,
          "previous_avg": 193.6,
          "station_count": 51,
          "comparison_station_count": 51
        },
        {
          "key": "DN",
          "label": "DN postcode area",
          "change_7d": 4.9,
          "current_avg": 196.1,
          "previous_avg": 191.2,
          "station_count": 54,
          "comparison_station_count": 54
        }
      ],
      "falling": []
    },
    "premium_petrol": {
      "rising": [
        {
          "key": "TF",
          "label": "TF postcode area",
          "change_7d": 4.8,
          "current_avg": 181.6,
          "previous_avg": 176.8,
          "station_count": 23,
          "comparison_station_count": 23
        },
        {
          "key": "WN",
          "label": "WN postcode area",
          "change_7d": 4.3,
          "current_avg": 175.6,
          "previous_avg": 171.3,
          "station_count": 23,
          "comparison_station_count": 23
        },
        {
          "key": "WV",
          "label": "WV postcode area",
          "change_7d": 4.3,
          "current_avg": 178.9,
          "previous_avg": 174.6,
          "station_count": 39,
          "comparison_station_count": 39
        },
        {
          "key": "CF",
          "label": "CF postcode area",
          "change_7d": 4.0,
          "current_avg": 175.5,
          "previous_avg": 171.5,
          "station_count": 70,
          "comparison_station_count": 70
        },
        {
          "key": "DN",
          "label": "DN postcode area",
          "change_7d": 3.9,
          "current_avg": 175.7,
          "previous_avg": 171.8,
          "station_count": 74,
          "comparison_station_count": 74
        }
      ],
      "falling": [
        {
          "key": "HS",
          "label": "HS postcode area",
          "change_7d": -3.3,
          "current_avg": 164.6,
          "previous_avg": 167.9,
          "station_count": 8,
          "comparison_station_count": 8
        }
      ]
    }
  },
  "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": "2026-08-02",
  "generated_at": "2026-08-03T07:31:13.850352+00:00",
  "motorway_premium": {
    "diesel": {
      "premium": 18.6,
      "other_avg": 179.7,
      "motorway_avg": 198.3,
      "tank_premium_gbp": 10.23,
      "motorway_station_count": 168,
      "comparison_station_count": 7816
    },
    "petrol": {
      "premium": 17.1,
      "other_avg": 160.3,
      "motorway_avg": 177.4,
      "tank_premium_gbp": 9.41,
      "motorway_station_count": 170,
      "comparison_station_count": 7707
    },
    "premium_diesel": {
      "premium": 15.6,
      "other_avg": 197.2,
      "motorway_avg": 212.8,
      "tank_premium_gbp": 8.58,
      "motorway_station_count": 154,
      "comparison_station_count": 4096
    },
    "premium_petrol": {
      "premium": 17.4,
      "other_avg": 177.3,
      "motorway_avg": 194.7,
      "tank_premium_gbp": 9.57,
      "motorway_station_count": 161,
      "comparison_station_count": 6128
    }
  },
  "retailer_rankings": {
    "diesel": [
      {
        "key": "Costco",
        "label": "Costco",
        "change_7d": 5.6,
        "current_avg": 169.5,
        "previous_avg": 163.9,
        "station_count": 21,
        "comparison_station_count": 21
      },
      {
        "key": "Maxol",
        "label": "Maxol",
        "change_7d": 5.7,
        "current_avg": 174.2,
        "previous_avg": 168.5,
        "station_count": 89,
        "comparison_station_count": 88
      },
      {
        "key": "Nicholl",
        "label": "Nicholl",
        "change_7d": 1.6,
        "current_avg": 174.3,
        "previous_avg": 172.7,
        "station_count": 5,
        "comparison_station_count": 5
      },
      {
        "key": "Tesco",
        "label": "Tesco",
        "change_7d": 4.4,
        "current_avg": 174.8,
        "previous_avg": 170.4,
        "station_count": 519,
        "comparison_station_count": 519
      },
      {
        "key": "Solo",
        "label": "Solo",
        "change_7d": 5.5,
        "current_avg": 174.9,
        "previous_avg": 169.4,
        "station_count": 8,
        "comparison_station_count": 8
      },
      {
        "key": "Central Convenience",
        "label": "Central Convenience",
        "change_7d": 1.2,
        "current_avg": 175.3,
        "previous_avg": 174.1,
        "station_count": 18,
        "comparison_station_count": 18
      },
      {
        "key": "Emo",
        "label": "Emo",
        "change_7d": 3.6,
        "current_avg": 175.6,
        "previous_avg": 172.0,
        "station_count": 14,
        "comparison_station_count": 14
      },
      {
        "key": "Circle K",
        "label": "Circle K",
        "change_7d": 4.6,
        "current_avg": 175.7,
        "previous_avg": 171.1,
        "station_count": 47,
        "comparison_station_count": 47
      },
      {
        "key": "Co-op",
        "label": "Co-op",
        "change_7d": 5.7,
        "current_avg": 175.8,
        "previous_avg": 170.1,
        "station_count": 20,
        "comparison_station_count": 20
      },
      {
        "key": "Applegreen",
        "label": "Applegreen",
        "change_7d": 2.9,
        "current_avg": 176.5,
        "previous_avg": 173.6,
        "station_count": 13,
        "comparison_station_count": 13
      },
      {
        "key": "Sainsburys",
        "label": "Sainsbury's",
        "change_7d": 4.7,
        "current_avg": 177.2,
        "previous_avg": 172.5,
        "station_count": 316,
        "comparison_station_count": 316
      },
      {
        "key": "Morrisons",
        "label": "Morrisons",
        "change_7d": 5.6,
        "current_avg": 178.0,
        "previous_avg": 172.4,
        "station_count": 340,
        "comparison_station_count": 340
      },
      {
        "key": "Harvest Energy",
        "label": "Harvest Energy",
        "change_7d": 5.5,
        "current_avg": 178.4,
        "previous_avg": 172.9,
        "station_count": 48,
        "comparison_station_count": 48
      },
      {
        "key": "Asda",
        "label": "Asda",
        "change_7d": 4.8,
        "current_avg": 178.6,
        "previous_avg": 173.8,
        "station_count": 405,
        "comparison_station_count": 405
      },
      {
        "key": "Murco",
        "label": "Murco",
        "change_7d": 5.7,
        "current_avg": 178.6,
        "previous_avg": 172.9,
        "station_count": 166,
        "comparison_station_count": 164
      },
      {
        "key": "Total Energies",
        "label": "Total Energies",
        "change_7d": 5.5,
        "current_avg": 178.6,
        "previous_avg": 173.1,
        "station_count": 9,
        "comparison_station_count": 9
      },
      {
        "key": "Texaco",
        "label": "Texaco",
        "change_7d": 4.5,
        "current_avg": 179.0,
        "previous_avg": 174.5,
        "station_count": 519,
        "comparison_station_count": 517
      },
      {
        "key": "Essar",
        "label": "Essar",
        "change_7d": 5.7,
        "current_avg": 179.2,
        "previous_avg": 173.5,
        "station_count": 43,
        "comparison_station_count": 43
      },
      {
        "key": "Jet",
        "label": "Jet",
        "change_7d": 5.6,
        "current_avg": 179.2,
        "previous_avg": 173.6,
        "station_count": 310,
        "comparison_station_count": 309
      },
      {
        "key": "Pace",
        "label": "Pace",
        "change_7d": 4.8,
        "current_avg": 179.7,
        "previous_avg": 174.9,
        "station_count": 49,
        "comparison_station_count": 49
      },
      {
        "key": "EG",
        "label": "EG",
        "change_7d": 4.5,
        "current_avg": 180.3,
        "previous_avg": 175.8,
        "station_count": 146,
        "comparison_station_count": 146
      },
      {
        "key": "Gulf",
        "label": "Gulf",
        "change_7d": 5.7,
        "current_avg": 180.7,
        "previous_avg": 175.1,
        "station_count": 293,
        "comparison_station_count": 292
      },
      {
        "key": "Esso",
        "label": "Esso",
        "change_7d": 4.4,
        "current_avg": 181.0,
        "previous_avg": 176.6,
        "station_count": 1451,
        "comparison_station_count": 1451
      },
      {
        "key": "Valero",
        "label": "Valero",
        "change_7d": 5.0,
        "current_avg": 181.2,
        "previous_avg": 176.2,
        "station_count": 148,
        "comparison_station_count": 148
      },
      {
        "key": "BP",
        "label": "BP",
        "change_7d": 4.4,
        "current_avg": 183.1,
        "previous_avg": 178.7,
        "station_count": 1093,
        "comparison_station_count": 1091
      },
      {
        "key": "Gleaner",
        "label": "Gleaner",
        "change_7d": 4.1,
        "current_avg": 184.0,
        "previous_avg": 179.9,
        "station_count": 27,
        "comparison_station_count": 27
      },
      {
        "key": "Shell",
        "label": "Shell",
        "change_7d": 4.4,
        "current_avg": 184.0,
        "previous_avg": 179.6,
        "station_count": 915,
        "comparison_station_count": 915
      }
    ],
    "petrol": [
      {
        "key": "Costco",
        "label": "Costco",
        "change_7d": 3.5,
        "current_avg": 151.4,
        "previous_avg": 147.9,
        "station_count": 21,
        "comparison_station_count": 21
      },
      {
        "key": "Nicholl",
        "label": "Nicholl",
        "change_7d": 0.0,
        "current_avg": 151.5,
        "previous_avg": 151.5,
        "station_count": 5,
        "comparison_station_count": 5
      },
      {
        "key": "Emo",
        "label": "Emo",
        "change_7d": 0.0,
        "current_avg": 153.7,
        "previous_avg": 153.7,
        "station_count": 14,
        "comparison_station_count": 14
      },
      {
        "key": "Maxol",
        "label": "Maxol",
        "change_7d": 2.3,
        "current_avg": 154.0,
        "previous_avg": 151.7,
        "station_count": 88,
        "comparison_station_count": 88
      },
      {
        "key": "Circle K",
        "label": "Circle K",
        "change_7d": 1.3,
        "current_avg": 155.1,
        "previous_avg": 153.8,
        "station_count": 48,
        "comparison_station_count": 48
      },
      {
        "key": "Solo",
        "label": "Solo",
        "change_7d": 2.2,
        "current_avg": 155.9,
        "previous_avg": 153.7,
        "station_count": 6,
        "comparison_station_count": 6
      },
      {
        "key": "Applegreen",
        "label": "Applegreen",
        "change_7d": 1.9,
        "current_avg": 157.0,
        "previous_avg": 155.1,
        "station_count": 13,
        "comparison_station_count": 13
      },
      {
        "key": "Tesco",
        "label": "Tesco",
        "change_7d": 3.1,
        "current_avg": 157.4,
        "previous_avg": 154.3,
        "station_count": 519,
        "comparison_station_count": 519
      },
      {
        "key": "Co-op",
        "label": "Co-op",
        "change_7d": 3.7,
        "current_avg": 157.8,
        "previous_avg": 154.1,
        "station_count": 20,
        "comparison_station_count": 20
      },
      {
        "key": "Total Energies",
        "label": "Total Energies",
        "change_7d": 3.5,
        "current_avg": 157.8,
        "previous_avg": 154.3,
        "station_count": 10,
        "comparison_station_count": 10
      },
      {
        "key": "Harvest Energy",
        "label": "Harvest Energy",
        "change_7d": 3.8,
        "current_avg": 158.6,
        "previous_avg": 154.8,
        "station_count": 48,
        "comparison_station_count": 48
      },
      {
        "key": "Murco",
        "label": "Murco",
        "change_7d": 2.7,
        "current_avg": 158.6,
        "previous_avg": 155.8,
        "station_count": 168,
        "comparison_station_count": 166
      },
      {
        "key": "Central Convenience",
        "label": "Central Convenience",
        "change_7d": 2.2,
        "current_avg": 158.8,
        "previous_avg": 156.6,
        "station_count": 18,
        "comparison_station_count": 18
      },
      {
        "key": "Asda",
        "label": "Asda",
        "change_7d": 2.7,
        "current_avg": 159.0,
        "previous_avg": 156.3,
        "station_count": 405,
        "comparison_station_count": 405
      },
      {
        "key": "Texaco",
        "label": "Texaco",
        "change_7d": 2.9,
        "current_avg": 159.1,
        "previous_avg": 156.2,
        "station_count": 523,
        "comparison_station_count": 521
      },
      {
        "key": "Jet",
        "label": "Jet",
        "change_7d": 3.4,
        "current_avg": 159.3,
        "previous_avg": 155.9,
        "station_count": 310,
        "comparison_station_count": 309
      },
      {
        "key": "Morrisons",
        "label": "Morrisons",
        "change_7d": 4.1,
        "current_avg": 159.5,
        "previous_avg": 155.4,
        "station_count": 340,
        "comparison_station_count": 340
      },
      {
        "key": "Essar",
        "label": "Essar",
        "change_7d": 3.8,
        "current_avg": 159.6,
        "previous_avg": 155.8,
        "station_count": 44,
        "comparison_station_count": 44
      },
      {
        "key": "Sainsburys",
        "label": "Sainsbury's",
        "change_7d": 4.2,
        "current_avg": 159.6,
        "previous_avg": 155.4,
        "station_count": 316,
        "comparison_station_count": 316
      },
      {
        "key": "Valero",
        "label": "Valero",
        "change_7d": 2.9,
        "current_avg": 160.3,
        "previous_avg": 157.4,
        "station_count": 148,
        "comparison_station_count": 148
      },
      {
        "key": "Pace",
        "label": "Pace",
        "change_7d": 2.2,
        "current_avg": 160.4,
        "previous_avg": 158.2,
        "station_count": 45,
        "comparison_station_count": 45
      },
      {
        "key": "EG",
        "label": "EG",
        "change_7d": 2.9,
        "current_avg": 160.5,
        "previous_avg": 157.6,
        "station_count": 147,
        "comparison_station_count": 147
      },
      {
        "key": "Gulf",
        "label": "Gulf",
        "change_7d": 3.0,
        "current_avg": 161.0,
        "previous_avg": 158.0,
        "station_count": 292,
        "comparison_station_count": 291
      },
      {
        "key": "Esso",
        "label": "Esso",
        "change_7d": 3.4,
        "current_avg": 161.5,
        "previous_avg": 158.1,
        "station_count": 1456,
        "comparison_station_count": 1456
      },
      {
        "key": "BP",
        "label": "BP",
        "change_7d": 2.8,
        "current_avg": 163.3,
        "previous_avg": 160.5,
        "station_count": 1097,
        "comparison_station_count": 1095
      },
      {
        "key": "Shell",
        "label": "Shell",
        "change_7d": 3.2,
        "current_avg": 163.7,
        "previous_avg": 160.5,
        "station_count": 917,
        "comparison_station_count": 917
      },
      {
        "key": "Gleaner",
        "label": "Gleaner",
        "change_7d": 2.2,
        "current_avg": 163.8,
        "previous_avg": 161.6,
        "station_count": 27,
        "comparison_station_count": 27
      }
    ],
    "premium_diesel": [
      {
        "key": "Circle K",
        "label": "Circle K",
        "change_7d": 6.2,
        "current_avg": 179.7,
        "previous_avg": 173.5,
        "station_count": 12,
        "comparison_station_count": 12
      },
      {
        "key": "Essar",
        "label": "Essar",
        "change_7d": 3.0,
        "current_avg": 180.8,
        "previous_avg": 177.8,
        "station_count": 7,
        "comparison_station_count": 7
      },
      {
        "key": "Maxol",
        "label": "Maxol",
        "change_7d": 6.4,
        "current_avg": 181.2,
        "previous_avg": 174.8,
        "station_count": 15,
        "comparison_station_count": 15
      },
      {
        "key": "Co-op",
        "label": "Co-op",
        "change_7d": 6.0,
        "current_avg": 187.9,
        "previous_avg": 181.9,
        "station_count": 6,
        "comparison_station_count": 6
      },
      {
        "key": "Morrisons",
        "label": "Morrisons",
        "change_7d": 5.8,
        "current_avg": 187.9,
        "previous_avg": 182.1,
        "station_count": 91,
        "comparison_station_count": 91
      },
      {
        "key": "Central Convenience",
        "label": "Central Convenience",
        "change_7d": 0.4,
        "current_avg": 188.5,
        "previous_avg": 188.1,
        "station_count": 5,
        "comparison_station_count": 5
      },
      {
        "key": "Total Energies",
        "label": "Total Energies",
        "change_7d": 3.4,
        "current_avg": 189.3,
        "previous_avg": 185.9,
        "station_count": 5,
        "comparison_station_count": 5
      },
      {
        "key": "Murco",
        "label": "Murco",
        "change_7d": 4.8,
        "current_avg": 191.3,
        "previous_avg": 186.5,
        "station_count": 20,
        "comparison_station_count": 20
      },
      {
        "key": "Harvest Energy",
        "label": "Harvest Energy",
        "change_7d": 6.2,
        "current_avg": 192.3,
        "previous_avg": 186.1,
        "station_count": 18,
        "comparison_station_count": 18
      },
      {
        "key": "Texaco",
        "label": "Texaco",
        "change_7d": 3.7,
        "current_avg": 193.4,
        "previous_avg": 189.7,
        "station_count": 306,
        "comparison_station_count": 305
      },
      {
        "key": "Jet",
        "label": "Jet",
        "change_7d": 4.9,
        "current_avg": 193.9,
        "previous_avg": 189.0,
        "station_count": 163,
        "comparison_station_count": 162
      },
      {
        "key": "Gulf",
        "label": "Gulf",
        "change_7d": 5.0,
        "current_avg": 194.2,
        "previous_avg": 189.2,
        "station_count": 75,
        "comparison_station_count": 75
      },
      {
        "key": "Asda",
        "label": "Asda",
        "change_7d": 5.2,
        "current_avg": 195.3,
        "previous_avg": 190.1,
        "station_count": 53,
        "comparison_station_count": 53
      },
      {
        "key": "Esso",
        "label": "Esso",
        "change_7d": 3.8,
        "current_avg": 198.1,
        "previous_avg": 194.3,
        "station_count": 1161,
        "comparison_station_count": 1161
      },
      {
        "key": "EG",
        "label": "EG",
        "change_7d": 4.5,
        "current_avg": 199.4,
        "previous_avg": 194.9,
        "station_count": 73,
        "comparison_station_count": 73
      },
      {
        "key": "Valero",
        "label": "Valero",
        "change_7d": 4.5,
        "current_avg": 199.9,
        "previous_avg": 195.4,
        "station_count": 117,
        "comparison_station_count": 117
      },
      {
        "key": "Shell",
        "label": "Shell",
        "change_7d": 1.7,
        "current_avg": 200.5,
        "previous_avg": 198.8,
        "station_count": 868,
        "comparison_station_count": 867
      },
      {
        "key": "BP",
        "label": "BP",
        "change_7d": 4.2,
        "current_avg": 201.3,
        "previous_avg": 197.1,
        "station_count": 1001,
        "comparison_station_count": 1000
      }
    ],
    "premium_petrol": [
      {
        "key": "Circle K",
        "label": "Circle K",
        "change_7d": 0.7,
        "current_avg": 162.1,
        "previous_avg": 161.4,
        "station_count": 11,
        "comparison_station_count": 11
      },
      {
        "key": "Maxol",
        "label": "Maxol",
        "change_7d": 2.8,
        "current_avg": 163.2,
        "previous_avg": 160.4,
        "station_count": 52,
        "comparison_station_count": 52
      },
      {
        "key": "Costco",
        "label": "Costco",
        "change_7d": 3.3,
        "current_avg": 163.8,
        "previous_avg": 160.5,
        "station_count": 21,
        "comparison_station_count": 21
      },
      {
        "key": "Applegreen",
        "label": "Applegreen",
        "change_7d": 1.2,
        "current_avg": 165.1,
        "previous_avg": 163.9,
        "station_count": 5,
        "comparison_station_count": 5
      },
      {
        "key": "Pace",
        "label": "Pace",
        "change_7d": 2.0,
        "current_avg": 167.4,
        "previous_avg": 165.4,
        "station_count": 12,
        "comparison_station_count": 12
      },
      {
        "key": "Tesco",
        "label": "Tesco",
        "change_7d": 3.3,
        "current_avg": 168.0,
        "previous_avg": 164.7,
        "station_count": 467,
        "comparison_station_count": 467
      },
      {
        "key": "Total Energies",
        "label": "Total Energies",
        "change_7d": 0.3,
        "current_avg": 168.3,
        "previous_avg": 168.0,
        "station_count": 8,
        "comparison_station_count": 8
      },
      {
        "key": "Co-op",
        "label": "Co-op",
        "change_7d": 3.4,
        "current_avg": 168.8,
        "previous_avg": 165.4,
        "station_count": 14,
        "comparison_station_count": 14
      },
      {
        "key": "Essar",
        "label": "Essar",
        "change_7d": 3.7,
        "current_avg": 169.3,
        "previous_avg": 165.6,
        "station_count": 18,
        "comparison_station_count": 18
      },
      {
        "key": "Central Convenience",
        "label": "Central Convenience",
        "change_7d": 2.2,
        "current_avg": 170.6,
        "previous_avg": 168.4,
        "station_count": 11,
        "comparison_station_count": 11
      },
      {
        "key": "Sainsburys",
        "label": "Sainsbury's",
        "change_7d": 4.3,
        "current_avg": 171.7,
        "previous_avg": 167.4,
        "station_count": 292,
        "comparison_station_count": 292
      },
      {
        "key": "Murco",
        "label": "Murco",
        "change_7d": 3.3,
        "current_avg": 174.1,
        "previous_avg": 170.7,
        "station_count": 78,
        "comparison_station_count": 77
      },
      {
        "key": "Harvest Energy",
        "label": "Harvest Energy",
        "change_7d": 4.0,
        "current_avg": 174.5,
        "previous_avg": 170.5,
        "station_count": 36,
        "comparison_station_count": 36
      },
      {
        "key": "Texaco",
        "label": "Texaco",
        "change_7d": 2.7,
        "current_avg": 175.0,
        "previous_avg": 172.4,
        "station_count": 409,
        "comparison_station_count": 406
      },
      {
        "key": "Gulf",
        "label": "Gulf",
        "change_7d": 2.5,
        "current_avg": 175.8,
        "previous_avg": 173.3,
        "station_count": 156,
        "comparison_station_count": 155
      },
      {
        "key": "Asda",
        "label": "Asda",
        "change_7d": 2.9,
        "current_avg": 176.1,
        "previous_avg": 173.2,
        "station_count": 78,
        "comparison_station_count": 78
      },
      {
        "key": "Jet",
        "label": "Jet",
        "change_7d": 3.7,
        "current_avg": 176.1,
        "previous_avg": 172.4,
        "station_count": 244,
        "comparison_station_count": 244
      },
      {
        "key": "Morrisons",
        "label": "Morrisons",
        "change_7d": 5.7,
        "current_avg": 176.5,
        "previous_avg": 170.8,
        "station_count": 339,
        "comparison_station_count": 339
      },
      {
        "key": "Gleaner",
        "label": "Gleaner",
        "change_7d": 2.4,
        "current_avg": 176.6,
        "previous_avg": 174.2,
        "station_count": 6,
        "comparison_station_count": 6
      },
      {
        "key": "Esso",
        "label": "Esso",
        "change_7d": 3.5,
        "current_avg": 179.1,
        "previous_avg": 175.6,
        "station_count": 1356,
        "comparison_station_count": 1356
      },
      {
        "key": "Valero",
        "label": "Valero",
        "change_7d": 3.0,
        "current_avg": 179.5,
        "previous_avg": 176.5,
        "station_count": 120,
        "comparison_station_count": 120
      },
      {
        "key": "EG",
        "label": "EG",
        "change_7d": 2.9,
        "current_avg": 180.0,
        "previous_avg": 177.1,
        "station_count": 126,
        "comparison_station_count": 126
      },
      {
        "key": "BP",
        "label": "BP",
        "change_7d": 3.0,
        "current_avg": 181.8,
        "previous_avg": 178.8,
        "station_count": 1044,
        "comparison_station_count": 1042
      },
      {
        "key": "Shell",
        "label": "Shell",
        "change_7d": 1.8,
        "current_avg": 186.2,
        "previous_avg": 184.4,
        "station_count": 910,
        "comparison_station_count": 910
      }
    ]
  },
  "source_updated_at": "2026-08-02T22:59:06+00:00",
  "methodology_version": "1.0-historical",
  "active_station_count": 8064,
  "supermarket_comparison": {
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      "saving": 4.1,
      "other_avg": 180.9,
      "supermarket_avg": 176.8,
      "tank_saving_gbp": 2.25,
      "comparison_station_count": 6363,
      "supermarket_station_count": 1621
    },
    "petrol": {
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      "other_avg": 161.2,
      "supermarket_avg": 158.6,
      "tank_saving_gbp": 1.43,
      "comparison_station_count": 6256,
      "supermarket_station_count": 1621
    },
    "premium_diesel": {
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      "other_avg": 198.1,
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      "tank_saving_gbp": 4.51,
      "comparison_station_count": 4097,
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    },
    "premium_petrol": {
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      "supermarket_avg": 171.7,
      "tank_saving_gbp": 4.12,
      "comparison_station_count": 5078,
      "supermarket_station_count": 1211
    }
  },
  "historical_station_universe_count": 8130
}