{ "family": "price_rhythm", "url": "https://www.fuel-prices.eu/live/australia/victoria/price-changes/", "markdown": "https://www.fuel-prices.eu/live/australia/victoria/price-changes/data.md", "language": "en", "market": { "key": "australia/victoria", "country": "Victoria", "cc": "AU", "live_map": "https://www.fuel-prices.eu/live/australia/victoria/" }, "window": { "d0": "2026-06-26", "d1": "2026-09-23", "days": 90 }, "built_at": "2026-09-24T01:12:17+00:00", "currency": "AUD", "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": "source clock" }, "headline": [ "A station in Victoria changes its Unleaded 91 price 5.08 times a week on average, and a price that has just changed then holds for 1 day before the next one.", "On an ordinary day 91.8% of the stations in Victoria change their price; on the busiest day of the window, 99.9%.", "The busiest weekday is Tuesday, with 19.5% of all changes; the quietest is Sunday, with 5.3%.", "An increase moves the price by 0.021 AUD/L on average, a cut by 0.020 AUD/L. Over the window there were 40 085 changes upward and 22 978 downward.", "Half of all the price changes of the last 52 days happened on just 20 of them.", "When EG Ampol moves, 100% of its own stations move on the same day — the price of a station in this network is not set at the station.", "Reddy Express reaches the centre of a market-wide move first in 6 of the 6 waves we measured; the rest follow at a median of 0.3 days.", "Across the window the market median went from 1.221 AUD/L to 1.463 AUD/L.", "Where the source carries a clock of its own, most changes land between 06:00 and 07:00 — 67% of 1 640 changes carrying a timestamp in the sample." ], "fuels": { "petrol": { "label": "Unleaded 91", "code": "sp95", "stations": 1672, "days_covered": 52, "changes": 63063, "changes_per_station_per_week": 5.077, "median_days_between_changes": 1, "by_weekday": [ { "up": 6195, "down": 4160, "up_sum": 53.227, "down_sum": 69.907 }, { "up": 6430, "down": 5865, "up_sum": 136.236, "down_sum": 107.261 }, { "up": 7693, "down": 3374, "up_sum": 246.893, "down_sum": 56.443 }, { "up": 6436, "down": 4492, "up_sum": 131.837, "down_sum": 62.156 }, { "up": 6948, "down": 1946, "up_sum": 97.026, "down_sum": 67.485 }, { "up": 4114, "down": 2049, "up_sum": 108.263, "down_sum": 51.867 }, { "up": 2269, "down": 1092, "up_sum": 56.049, "down_sum": 32.29 } ], "size": { "up": { "n": 40085, "mean": 0.0207, "median": 0.01, "p90": 0.041 }, "down": { "n": 22978, "mean": 0.0195, "median": 0.008, "p90": 0.041 } }, "concentration": { "days_for_half": 20, "days_total": 52, "share": 0.3846 }, "macro": { "up_days": 30, "down_days": 12, "mean_up": 0.01182, "mean_down": 0.00937, "run_up_mean": 3.33, "run_down_mean": 1.71, "first_median": 1.221, "last_median": 1.463 }, "networks": [ { "brand": "Reddy Express", "key": "REDDY EXPRESS", "stations": 192, "changes": 8352, "active_days": 49, "sync_median": 0.995, "per_week": 5.856, "up_share": 0.6974, "lag_median": 0, "first": 6, "waves": 6, "lead_lag": 0, "lead_corr": 0.679 }, { "brand": "Caltex", "key": "CALTEX", "stations": 40, "changes": 1362, "active_days": 49, "sync_median": 0.825, "per_week": 4.584, "up_share": 0.6512, "lag_median": 0.2215, "first": 0, "waves": 6, "lead_lag": 1, "lead_corr": 0.582 }, { "brand": "United", "key": "UNITED", "stations": 121, "changes": 4950, "active_days": 49, "sync_median": 0.959, "per_week": 5.507, "up_share": 0.6257, "lag_median": 0.251, "first": 0, "waves": 6, "lead_lag": 0, "lead_corr": 0.923 }, { "brand": "BP", "key": "BP", "stations": 291, "changes": 10713, "active_days": 49, "sync_median": 0.952, "per_week": 4.956, "up_share": 0.6646, "lag_median": 0.274, "first": 0, "waves": 6, "lead_lag": 0, "lead_corr": 0.869 }, { "brand": "Liberty", "key": "LIBERTY", "stations": 47, "changes": 1777, "active_days": 49, "sync_median": 0.957, "per_week": 5.09, "up_share": 0.6556, "lag_median": 0.28800000000000003, "first": 0, "waves": 6, "lead_lag": 0, "lead_corr": 0.782 }, { "brand": "Shell", "key": "SHELL", "stations": 66, "changes": 2328, "active_days": 49, "sync_median": 0.955, "per_week": 4.748, "up_share": 0.6516, "lag_median": 0.3025, "first": 0, "waves": 6, "lead_lag": 0, "lead_corr": 0.667 }, { "brand": "EG Ampol", "key": "EG AMPOL", "stations": 141, "changes": 5540, "active_days": 49, "sync_median": 1, "per_week": 5.289, "up_share": 0.6939, "lag_median": 0.304, "first": 0, "waves": 6, "lead_lag": 0, "lead_corr": 0.68 }, { "brand": "Metro Petroleum", "key": "METRO PETROLEUM", "stations": 42, "changes": 1374, "active_days": 50, "sync_median": 0.869, "per_week": 4.404, "up_share": 0.6361, "lag_median": 0.315, "first": 0, "waves": 6, "lead_lag": 0, "lead_corr": 0.647 }, { "brand": "Ampol", "key": "AMPOL", "stations": 179, "changes": 6676, "active_days": 50, "sync_median": 0.969, "per_week": 5.021, "up_share": 0.6775, "lag_median": 0.3405, "first": 0, "waves": 6, "lead_lag": 0, "lead_corr": 0.801 }, { "brand": "7-Eleven", "key": "7-ELEVEN", "stations": 204, "changes": 8057, "active_days": 49, "sync_median": 0.971, "per_week": 5.317, "up_share": 0.4198, "lag_median": 0.396, "first": 0, "waves": 6, "lead_lag": 0, "lead_corr": 0.675 } ], "hour_of_day": [ 0, 0, 0, 0, 0, 0, 1096, 105, 116, 57, 28, 17, 22, 28, 25, 56, 83, 7, 0, 0, 0, 0, 0, 0 ] }, "diesel": { "label": "Diesel", "code": "diesel", "stations": 1053, "days_covered": 52, "changes": 39445, "changes_per_station_per_week": 5.043, "median_days_between_changes": 1, "by_weekday": [ { "up": 4080, "down": 2513, "up_sum": 45.079, "down_sum": 35.656 }, { "up": 4105, "down": 3550, "up_sum": 89.13, "down_sum": 43.227 }, { "up": 4650, "down": 2299, "up_sum": 84.51, "down_sum": 32.143 }, { "up": 4277, "down": 2566, "up_sum": 78.876, "down_sum": 29.542 }, { "up": 4854, "down": 619, "up_sum": 68.535, "down_sum": 20.413 }, { "up": 2988, "down": 903, "up_sum": 95.872, "down_sum": 17.244 }, { "up": 1331, "down": 710, "up_sum": 31.888, "down_sum": 21.368 } ], "size": { "up": { "n": 26285, "mean": 0.0188, "median": 0.008, "p90": 0.04 }, "down": { "n": 13160, "mean": 0.0152, "median": 0.004, "p90": 0.03 } }, "concentration": { "days_for_half": 20, "days_total": 52, "share": 0.3846 }, "macro": { "up_days": 35, "down_days": 9, "mean_up": 0.00974, "mean_down": 0.00633, "run_up_mean": 4.38, "run_down_mean": 3, "first_median": 1.489, "last_median": 1.773 }, "networks": [ { "brand": "Reddy Express", "key": "REDDY EXPRESS", "stations": 177, "changes": 7702, "active_days": 49, "sync_median": 0.927, "per_week": 5.858, "up_share": 0.6652, "lag_median": 0, "first": 5, "waves": 6, "lead_lag": 0, "lead_corr": 0.829 }, { "brand": "United", "key": "UNITED", "stations": 122, "changes": 5051, "active_days": 49, "sync_median": 0.967, "per_week": 5.573, "up_share": 0.6363, "lag_median": 0.20500000000000002, "first": 0, "waves": 6, "lead_lag": 0, "lead_corr": 0.904 }, { "brand": "ASTRON", "key": "ASTRON", "stations": 33, "changes": 1222, "active_days": 49, "sync_median": 0.939, "per_week": 4.985, "up_share": 0.6489, "lag_median": 0.239, "first": 1, "waves": 6, "lead_lag": 0, "lead_corr": 0.385 }, { "brand": "Independent", "key": "INDEPENDENT", "stations": 34, "changes": 1172, "active_days": 49, "sync_median": 0.941, "per_week": 4.64, "up_share": 0.6561, "lag_median": 0.2565, "first": 0, "waves": 6, "lead_lag": 0, "lead_corr": 0.775 }, { "brand": "Ampol", "key": "AMPOL", "stations": 120, "changes": 4414, "active_days": 49, "sync_median": 0.975, "per_week": 4.952, "up_share": 0.6801, "lag_median": 0.273, "first": 0, "waves": 6, "lead_lag": 0, "lead_corr": 0.883 }, { "brand": "Liberty", "key": "LIBERTY", "stations": 48, "changes": 1820, "active_days": 49, "sync_median": 0.979, "per_week": 5.104, "up_share": 0.6703, "lag_median": 0.2985, "first": 0, "waves": 6, "lead_lag": 0, "lead_corr": 0.85 }, { "brand": "BP", "key": "BP", "stations": 157, "changes": 5642, "active_days": 49, "sync_median": 0.981, "per_week": 4.838, "up_share": 0.6928, "lag_median": 0.3005, "first": 0, "waves": 6, "lead_lag": 0, "lead_corr": 0.897 }, { "brand": "Shell", "key": "SHELL", "stations": 57, "changes": 2001, "active_days": 49, "sync_median": 0.965, "per_week": 4.726, "up_share": 0.6762, "lag_median": 0.3165, "first": 0, "waves": 6, "lead_lag": 0, "lead_corr": 0.713 }, { "brand": "Apco Service Stations", "key": "APCO SERVICE STATIONS", "stations": 26, "changes": 991, "active_days": 48, "sync_median": 1, "per_week": 5.131, "up_share": 0.6065, "lag_median": 0.373, "first": 0, "waves": 6, "lead_lag": 0, "lead_corr": 0.868 }, { "brand": "Riordan Fuels", "key": "RIORDAN FUELS", "stations": 29, "changes": 870, "active_days": 30, "sync_median": 1, "per_week": 4.038, "up_share": 0.6333, "lag_median": 0.3755, "first": 0, "waves": 6, "lead_lag": 0, "lead_corr": 0.468 } ], "hour_of_day": null } } }