CryptoSlate
BitMEX flipped to reduce-only mode at 04:00 UTC on Aug. 26, ending traders' ability to open new positions on the derivatives venue as it enters the first phase of a staged shutdown. Holders of around $39.5 million in Bitcoin perpetual positions now face a roughly four-week window before the exchange force-closes every remaining contract at 04:00 UTC on Sept. 23, settling against the relevant index price and crediting proceeds back to user wallets.
BitMEX has warned it may intervene to close positions during the wind-down to support an orderly exit, and the exchange has disclaimed responsibility for trading losses tied to users being unable to close on their own terms. After trading stops, accounts remain readable but limited: users can view balances and history and withdraw through the BitMEX site, while API withdrawals, including integrations with Fireblocks and Copper, go dark at 04:00 UTC on Sept. 28. The exchange will charge balances left after Sept. 23 a monthly fee equal to 1% per year or $50, whichever is greater, deducted only from remaining funds.
Why it matters
The decision came from a strategic review by the board of HDR Global Trading Limited, BitMEX's owner and operator, and not from financial distress, a hack, or immediate regulatory pressure, according to the exchange. The optics still matter: BitMEX was once the dominant force in crypto derivatives and a defining venue for the 2021 bull cycle, and a managed exit forces the offshore perpetuals market to absorb that liquidity into competitors like Hyperliquid, OKX, and Bybit at a moment when open interest is fragmented.
The bigger structural read is counterparty control. Users are surrendering execution timing rather than closing immediately, which means every open position effectively carries an option BitMEX can exercise against the holder. Post-closure, the dormant-balance fee creates an explicit incentive to withdraw rather than leave funds sitting in a wind-down entity, raising the practical question of how much capital will need to clear through withdrawal infrastructure over the next 30 days.
Frequently asked questions
-
When does BitMEX stop letting traders open new positions?
BitMEX entered reduce-only mode at 04:00 UTC on Aug. 26. Traders can no longer open new positions but can still reduce existing exposure until the final force-close at 04:00 UTC on Sept. 23.
-
How much in Bitcoin perpetual positions is still open on BitMEX?
Around $39.5 million in Bitcoin perpetual positions remain on the book as of the shutdown timeline, with roughly four weeks until the venue force-closes everything at the index price.
-
Can BitMEX close my position before the Sept. 23 deadline?
Yes. BitMEX has warned it may force-close positions during the wind-down to support an orderly exit, and has disclaimed responsibility for trading losses tied to users being unable to close on their own terms.
-
What happens to balances left on BitMEX after the exchange shuts down?
BitMEX will charge balances left after Sept. 23 a monthly fee equal to 1% per year or $50, whichever is greater, deducted only from remaining funds until users withdraw. Withdrawals are limited to USDT, USDC, and ETH on Ethereum via the website after API access ends Sept. 28.
-
Why is BitMEX shutting down?
BitMEX says the decision came from a strategic review by the board of HDR Global Trading Limited, its owner and operator. The exchange has stated that financial distress, a hack, and immediate regulatory pressure were not the causes.
CoinDesk
CoinTelegraph
TheBlock
WuBlockchain
WatcherGuru