Bitcoin open interest falls 14% as market positions shift toward spot trading

Bitcoin’s open interest has dropped roughly 14%, part of a broader pattern of deleveraging that’s been playing out across derivatives markets throughout 2026. The decline came ahead of key legislative votes this week, with traders opting to close out leveraged positions rather than ride into headline risk with maximum exposure. The numbers behind the unwind OI contractions throughout 2026 have ranged from 11% to 19.5%, with each episode characterized by orderly position unwinds rather than panic-driven liquidation cascades. One of the more dramatic examples occurred on September 12, when Bitcoin futures OI plummeted by approximately 13,600 BTC in a single 24-hour window. That’s roughly $1.05 billion in notional value vanishing from the market in a day, triggered by Consumer Price Index data that rattled positioning across risk assets. Earlier in the year, OI fell from around 381,000 BTC to 314,000 BTC, a nearly 17.5% decrease that came on the heels of all-time high corrections. Analysts have characterized the cumulative effect of these drops as the sharpest deleveraging observed since 2023. These declines are measured in BTC terms, not just USD. That distinction matters because it ...