{"meta":{"source":"Coinbase Exchange public API (api.exchange.coinbase.com), product BTC-USD, daily candles; no API key","definition":"Price on the 1st of each month = open of the daily candle at 00:00 UTC (USD per 1 BTC)","crosscheck":"Bitstamp public OHLC API (BTC/USD, same definition), available for the whole period","fetched_at":"2026-10-24T20:50Z","fetched_date":"2026-10-24","first_month":"2015-12-01","last_month":"2026-10-01","n":131,"missing_months_before_first":[],"crosscheck_n":131,"crosscheck_max_dev_pct":2.644,"crosscheck_max_dev_month":"2017-05","crosscheck_mean_dev_pct":0.12},"prices":[["2015-12",376.88],["2016-01",430.35],["2016-02",367.89],["2016-03",436.41],["2016-04",416.03],["2016-05",454.02],["2016-06",531.25],["2016-07",673.5],["2016-08",626.97],["2016-09",572.89],["2016-10",608.99],["2016-11",697.07],["2016-12",742.51],["2017-01",973.37],["2017-02",970.01],["2017-03",1194.53],["2017-04",1088.99],["2017-05",1384.55],["2017-06",2303.61],["2017-07",2455.19],["2017-08",2856.89],["2017-09",4743.94],["2017-10",4339.01],["2017-11",6445.01],["2017-12",9903.01],["2018-01",13863.14],["2018-02",10099.99],["2018-03",10307.26],["2018-04",6928.5],["2018-05",9243.83],["2018-06",7485],["2018-07",6383.19],["2018-08",7727.28],["2018-09",7015.01],["2018-10",6605],["2018-11",6304.18],["2018-12",3976.01],["2019-01",3691.87],["2019-02",3411.5],["2019-03",3792.14],["2019-04",4095],["2019-05",5270.68],["2019-06",8554.06],["2019-07",10761.26],["2019-08",10089.97],["2019-09",9600.86],["2019-10",8304.95],["2019-11",9159.96],["2019-12",7555.92],["2020-01",7165.72],["2020-02",9334.98],["2020-03",8523.33],["2020-04",6424.02],["2020-05",8624.68],["2020-06",9445.83],["2020-07",9135.91],["2020-08",11351.61],["2020-09",11655],["2020-10",10779.63],["2020-11",13803.69],["2020-12",19713.94],["2021-01",28990.08],["2021-02",33137.75],["2021-03",45231.74],["2021-04",58800.01],["2021-05",57798.77],["2021-06",37276.23],["2021-07",35060],["2021-08",41499],["2021-09",47110.33],["2021-10",43828.89],["2021-11",61346.17],["2021-12",56998.35],["2022-01",46211.24],["2022-02",38492.53],["2022-03",43189.61],["2022-04",45525.25],["2022-05",37640.35],["2022-06",31784.18],["2022-07",19985.62],["2022-08",23307.44],["2022-09",20048.27],["2022-10",19423.57],["2022-11",20489.55],["2022-12",17165.44],["2023-01",16531.83],["2023-02",23127.15],["2023-03",23144.37],["2023-04",28475.41],["2023-05",29240.49],["2023-06",27221.54],["2023-07",30466.73],["2023-08",29230.61],["2023-09",25931.51],["2023-10",26961],["2023-11",34656.38],["2023-12",37732.27],["2024-01",42288.58],["2024-02",42545.47],["2024-03",61179.03],["2024-04",71291.5],["2024-05",60621.2],["2024-06",67473.07],["2024-07",62669.14],["2024-08",64609.61],["2024-09",58968.37],["2024-10",63305.52],["2024-11",70198.02],["2024-12",96464.95],["2025-01",93347.59],["2025-02",102414.05],["2025-03",84297.74],["2025-04",82534.31],["2025-05",94182.55],["2025-06",104645.87],["2025-07",107173.21],["2025-08",115756.12],["2025-09",108247.95],["2025-10",114067.71],["2025-11",109555.63],["2025-12",90364],["2026-01",87497.95],["2026-02",78648],["2026-03",66971.54],["2026-04",68221.84],["2026-05",76305.78],["2026-06",73575.18],["2026-07",58523.93],["2026-08",62826.69],["2026-09",78562.74],["2026-10",83556.14]]}