{ "family": "price_rhythm", "url": "https://www.fuel-prices.eu/live/portugal/price-changes/?lang=pt", "markdown": "https://www.fuel-prices.eu/live/portugal/price-changes/data.md?lang=pt", "language": "pt", "market": { "key": "portugal", "country": "Portugal", "cc": "PT", "live_map": "https://www.fuel-prices.eu/live/portugal/" }, "window": { "d0": "2026-06-25", "d1": "2026-09-22", "days": 90 }, "built_at": "2026-09-23T01:12:01+00:00", "currency": "EUR", "method": { "series": "one price per station per day", "change": "two consecutive days with different prices, counted on the second", "max_gap_days": 3, "hour_of_day": "cannot be established" }, "headline": [ "Um posto em Portugal muda o preço da Gasolina 95 0.90 vezes por semana em média, e um preço acabado de mudar aguenta depois 7 dias até ao seguinte.", "Num dia normal, 3.6% dos postos em Portugal mudam de preço; no dia mais movimentado da janela, 82.1%.", "O dia mais movimentado é segunda-feira, com 63.7% de todas as alterações; o mais calmo é domingo, com 1.7%.", "Uma subida move o preço 0.050 EUR/L em média, uma descida 0.043 EUR/L. Ao longo da janela, 24 515 alterações foram para cima e 13 365 para baixo.", "Metade de todas as alterações de preço destes 89 dias aconteceu em apenas 8 deles.", "A Galp chega primeiro ao centro de um movimento de mercado em 3 das 10 vagas medidas; as outras seguem com uma mediana de 0.1 dias.", "Ao longo da janela a mediana do mercado passou de 1.924 EUR/L para 2.169 EUR/L." ], "fuels": { "petrol": { "label": "Gasolina 95", "code": "sp95", "stations": 3268, "days_covered": 89, "changes": 37880, "changes_per_station_per_week": 0.902, "median_days_between_changes": 7, "by_weekday": [ { "up": 16889, "down": 7232, "up_sum": 904.721, "down_sum": 358.2 }, { "up": 5194, "down": 1688, "up_sum": 227.291, "down_sum": 57.931 }, { "up": 1127, "down": 1044, "up_sum": 35.532, "down_sum": 27.75 }, { "up": 418, "down": 340, "up_sum": 15.05, "down_sum": 9.746 }, { "up": 307, "down": 654, "up_sum": 13.244, "down_sum": 27.39 }, { "up": 172, "down": 2177, "up_sum": 7.231, "down_sum": 87.627 }, { "up": 408, "down": 230, "up_sum": 20.547, "down_sum": 11.276 } ], "size": { "up": { "n": 24515, "mean": 0.0499, "median": 0.045, "p90": 0.09 }, "down": { "n": 13365, "mean": 0.0434, "median": 0.04, "p90": 0.1 } }, "concentration": { "days_for_half": 8, "days_total": 89, "share": 0.0899 }, "macro": { "up_days": 22, "down_days": 16, "mean_up": 0.0318, "mean_down": 0.02841, "run_up_mean": 1.47, "run_down_mean": 1.33, "first_median": 1.924, "last_median": 2.169 }, "networks": [ { "brand": "Alves Bandeira", "key": "ALVES BANDEIRA", "stations": 157, "changes": 1565, "active_days": 38, "sync_median": 0.035, "per_week": 0.775, "up_share": 0.6997, "lag_median": 0.0295, "first": 2, "waves": 10, "lead_lag": 0, "lead_corr": 0.835 }, { "brand": "Galp", "key": "GALP", "stations": 693, "changes": 9042, "active_days": 71, "sync_median": 0.072, "per_week": 1.015, "up_share": 0.6154, "lag_median": 0.0325, "first": 3, "waves": 10, "lead_lag": 0, "lead_corr": 0.829 }, { "brand": "Cepsa", "key": "CEPSA", "stations": 150, "changes": 1373, "active_days": 69, "sync_median": 0.013, "per_week": 0.712, "up_share": 0.7079, "lag_median": 0.0435, "first": 0, "waves": 10, "lead_lag": 0, "lead_corr": 0.735 }, { "brand": "Prio", "key": "PRIO", "stations": 252, "changes": 2294, "active_days": 43, "sync_median": 0.044, "per_week": 0.708, "up_share": 0.6857, "lag_median": 0.046, "first": 1, "waves": 10, "lead_lag": 0, "lead_corr": 0.683 }, { "brand": "Repsol", "key": "REPSOL", "stations": 518, "changes": 7521, "active_days": 69, "sync_median": 0.066, "per_week": 1.129, "up_share": 0.6398, "lag_median": 0.0535, "first": 1, "waves": 10, "lead_lag": 0, "lead_corr": 0.883 }, { "brand": "Moeve", "key": "MOEVE", "stations": 106, "changes": 1017, "active_days": 50, "sync_median": 0.019, "per_week": 0.746, "up_share": 0.6952, "lag_median": 0.0615, "first": 2, "waves": 10, "lead_lag": 0, "lead_corr": 0.848 }, { "brand": "Bp", "key": "BP", "stations": 477, "changes": 5886, "active_days": 71, "sync_median": 0.057, "per_week": 0.96, "up_share": 0.6111, "lag_median": 0.149, "first": 1, "waves": 10, "lead_lag": 0, "lead_corr": 0.638 }, { "brand": "Genérico", "key": "GENÉRICO", "stations": 246, "changes": 2226, "active_days": 70, "sync_median": 0.037, "per_week": 0.704, "up_share": 0.6923, "lag_median": 0.2685, "first": 0, "waves": 10, "lead_lag": 0, "lead_corr": 0.722 }, { "brand": "Intermarché", "key": "INTERMARCHÉ", "stations": 219, "changes": 2320, "active_days": 69, "sync_median": 0.032, "per_week": 0.824, "up_share": 0.6823, "lag_median": 0.38, "first": 0, "waves": 10, "lead_lag": 0, "lead_corr": 0.773 }, { "brand": "Freitas", "key": "FREITAS", "stations": 62, "changes": 736, "active_days": 59, "sync_median": 0.048, "per_week": 0.923, "up_share": 0.6467, "lag_median": 0.422, "first": 0, "waves": 10, "lead_lag": 0, "lead_corr": 0.576 } ], "hour_of_day": null }, "diesel": { "label": "Gasóleo", "code": "diesel", "stations": 3108, "days_covered": 89, "changes": 36678, "changes_per_station_per_week": 0.918, "median_days_between_changes": 7, "by_weekday": [ { "up": 18036, "down": 4741, "up_sum": 1235.484, "down_sum": 311.977 }, { "up": 4947, "down": 2095, "up_sum": 321.107, "down_sum": 74.136 }, { "up": 1105, "down": 1051, "up_sum": 47.386, "down_sum": 28.572 }, { "up": 337, "down": 378, "up_sum": 17.807, "down_sum": 10.766 }, { "up": 355, "down": 634, "up_sum": 18.471, "down_sum": 26.017 }, { "up": 191, "down": 2168, "up_sum": 7.826, "down_sum": 86.771 }, { "up": 418, "down": 222, "up_sum": 25.88, "down_sum": 11.821 } ], "size": { "up": { "n": 25389, "mean": 0.0659, "median": 0.064, "p90": 0.115 }, "down": { "n": 11289, "mean": 0.0487, "median": 0.05, "p90": 0.085 } }, "concentration": { "days_for_half": 8, "days_total": 89, "share": 0.0899 }, "macro": { "up_days": 25, "down_days": 20, "mean_up": 0.03518, "mean_down": 0.02088, "run_up_mean": 1.67, "run_down_mean": 1.43, "first_median": 1.834, "last_median": 2.296 }, "networks": [ { "brand": "Alves Bandeira", "key": "ALVES BANDEIRA", "stations": 160, "changes": 1597, "active_days": 38, "sync_median": 0.034, "per_week": 0.776, "up_share": 0.7915, "lag_median": 0.036, "first": 2, "waves": 10, "lead_lag": 0, "lead_corr": 0.866 }, { "brand": "Cepsa", "key": "CEPSA", "stations": 150, "changes": 1378, "active_days": 71, "sync_median": 0.013, "per_week": 0.715, "up_share": 0.7794, "lag_median": 0.051000000000000004, "first": 0, "waves": 10, "lead_lag": 0, "lead_corr": 0.751 }, { "brand": "Galp", "key": "GALP", "stations": 705, "changes": 8787, "active_days": 71, "sync_median": 0.068, "per_week": 0.969, "up_share": 0.6515, "lag_median": 0.051500000000000004, "first": 3, "waves": 10, "lead_lag": 1, "lead_corr": 0.234 }, { "brand": "Repsol", "key": "REPSOL", "stations": 520, "changes": 7277, "active_days": 70, "sync_median": 0.063, "per_week": 1.088, "up_share": 0.6647, "lag_median": 0.0545, "first": 1, "waves": 10, "lead_lag": 0, "lead_corr": 0.83 }, { "brand": "Moeve", "key": "MOEVE", "stations": 106, "changes": 1017, "active_days": 50, "sync_median": 0.019, "per_week": 0.746, "up_share": 0.7866, "lag_median": 0.057499999999999996, "first": 1, "waves": 10, "lead_lag": 0, "lead_corr": 0.802 }, { "brand": "Prio", "key": "PRIO", "stations": 49, "changes": 456, "active_days": 37, "sync_median": 0.122, "per_week": 0.724, "up_share": 0.7851, "lag_median": 0.181, "first": 1, "waves": 10, "lead_lag": 0, "lead_corr": 0.617 }, { "brand": "Genérico", "key": "GENÉRICO", "stations": 260, "changes": 2414, "active_days": 70, "sync_median": 0.038, "per_week": 0.722, "up_share": 0.7461, "lag_median": 0.2885, "first": 0, "waves": 10, "lead_lag": 0, "lead_corr": 0.799 }, { "brand": "Bp", "key": "BP", "stations": 482, "changes": 6575, "active_days": 71, "sync_median": 0.062, "per_week": 1.061, "up_share": 0.6493, "lag_median": 0.332, "first": 2, "waves": 10, "lead_lag": 0, "lead_corr": 0.689 }, { "brand": "Intermarché", "key": "INTERMARCHÉ", "stations": 219, "changes": 2402, "active_days": 68, "sync_median": 0.032, "per_week": 0.853, "up_share": 0.739, "lag_median": 0.3845, "first": 0, "waves": 10, "lead_lag": 0, "lead_corr": 0.894 }, { "brand": "Freitas", "key": "FREITAS", "stations": 62, "changes": 741, "active_days": 59, "sync_median": 0.048, "per_week": 0.93, "up_share": 0.7085, "lag_median": 0.4205, "first": 0, "waves": 10, "lead_lag": 0, "lead_corr": 0.671 } ], "hour_of_day": null } } }