{"id":13112,"date":"2026-09-11T14:02:24","date_gmt":"2026-09-11T14:02:24","guid":{"rendered":"https:\/\/cryptonews.uk.com\/?p=13112"},"modified":"2026-09-11T14:02:24","modified_gmt":"2026-09-11T14:02:24","slug":"crypto-never-closes-but-bitcoin-ethereum-xrp-and-solana-now-move-on-wall-street-time","status":"publish","type":"post","link":"https:\/\/cryptonews.uk.com\/?p=13112","title":{"rendered":"Crypto never closes, but Bitcoin, Ethereum, XRP and Solana now move on Wall Street time"},"content":{"rendered":"

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Bitcoin trades nonstop, but a decade of data shows its volatility increasingly follows Wall Street\u2019s clock.<\/p>\n

A recent study found that the nine hours from 13:00 to 21:59 UTC accounted for 50.6% of Bitcoin\u2019s daily realized variance between 2022 and 2025, up from 38.4% in 2016-2018. Those hours represent just 37.5% of a full day, suggesting price discovery has become increasingly concentrated while Bitcoin itself continues trading around the clock.<\/p>\n

The research, based on 87,672 hourly observations from Kraken\u2019s XBT\/USD market between 2016 and 2025, found the shift extends beyond higher activity during American business hours. Bitcoin\u2019s volatility peak now moves when New York changes its clocks and fades when the New York Stock Exchange closes, tying the market\u2019s most active period increasingly closely to the US equity calendar.<\/p>\n

That pattern has developed alongside the institutionalization of crypto through regulated futures, publicly traded companies and US-listed investment products. The study stops short of assigning the change to any single channel, leaving ETF creation and redemption, futures activity, market-maker hedging and other institutional flows as potential drivers.<\/p>\n

Bitcoin\u2019s volatility clock started following New York<\/h2>\n

The most compelling evidence comes from what happens when Wall Street\u2019s schedule itself changes.<\/p>\n

Researchers used US daylight-saving transitions to distinguish Wall Street\u2019s influence from activity that simply happens to occur during similar hours. The US equity market opens at 9:30 a.m. New York time, which shifts by one hour in UTC when American clocks change, while Asian trading hours and strategies operating on fixed UTC schedules remain unaffected.<\/p>\n

During 2022-2025, Bitcoin\u2019s most volatile hour moved from 14:00 UTC during US daylight-saving time to 15:00 UTC during standard time, moving with the shift in the American trading session. The variance-weighted center of the US window also moved 0.33 hours later, a statistically significant change.<\/p>\n

No comparable pattern appeared in 2016-2018, when Bitcoin\u2019s intraday volatility profile showed no distinct response to US clock changes.<\/p>\n

NYSE holidays provided a second test. On weekday US market holidays during the recent period, Bitcoin\u2019s share of variance occurring during US hours fell by 13.9 percentage points compared with matched trading days, dropping from 55.7% to about 41.9%.<\/p>\n

\"Infographic\"Infographic<\/p>\n

The resulting distribution moved close enough to the 37.5% benchmark for volatility spread evenly through the day that the difference was statistically insignificant.<\/p>\n

Those changes make the effect harder to explain through Asian or European trading alone. If the concentration were driven primarily by automated strategies operating on fixed UTC schedules, shifting the New York session would not be expected to move Bitcoin\u2019s volatility peak with it.<\/p>\n

The market\u2019s center of volatility has also moved deeper into the American session. A window-free measure used by the study placed Bitcoin\u2019s variance-weighted center at 14.1 UTC in 2016-2018, close to the overlap between London trading and the New York open. By 2022-2025, it had moved to 17.1 UTC, while the study\u2019s concentration index increased more than 40%.<\/p>\n

The ETF launch didn\u2019t start the shift<\/h2>\n

The timing complicates the assumption that US spot Bitcoin ETFs suddenly transformed the market after their January 2024 debut.<\/p>\n