CME Group will extend its Bitcoin and Ethereum futures to round-the-clock trading in early 2026, pending regulatory approval.

The move brings the largest US-regulated futures market in line with the always-on nature of crypto exchanges, a structural shift that could reshape how liquidity flows between traditional finance and crypto-native venues.

CME futures currently trade Sunday through Friday with daily maintenance breaks, mirroring the exchange’s equities and commodities model. That leaves long stretches (Friday night through Sunday afternoon, and brief weekday pauses) where the global spot market trades on Binance, Coinbase, and Deribit without a parallel CME market.

The result has been a structural feature known as the “CME gap”: price moves over weekends or during CME off-hours often open the week with visible chart gaps that traders anticipate filling. By 2026, those gaps may disappear, or at least lose their predictive power.

CME’s footprint in crypto is already material. In Q3 2025, the exchange reported its second-highest quarter on record for crypto futures, with average daily volume near 20,000 contracts across BTC and ETH.

For Bitcoin specifically, CME’s share of open interest has consistently ranked in the top five globally, often capturing 20–25% of USD-margined futures activity. That’s a stark contrast to 2017, when CME launched its first Bitcoin contracts into a market still dominated by unregulated platforms.

Making these futures trade 24/7 responds directly to client demand. Traditional institutions, from asset managers to corporates, have long complained about being unable to hedge risk during crypto’s most volatile windows: weekends and Asian trading hours.

A CME contract that runs parallel to Binance’s perpetual futures or Deribit’s options would allow a portfolio manager in New York or London to offset exposure without needing offshore accounts. It also means dealers managing ETF flows, which have introduced a steady pipeline of US-based Bitcoin demand, can keep basis trades and arbitrage strategies balanced around the clock.

The liquidity implications are twofold.

First, the weekend effect, where spot Bitcoin can swing thousands of dollars between Friday’s CME close and Sunday’s reopen, may fade. That reduces the structural volatility premium built into funding rates and options pricing.

Second, the spread between CME futures and crypto-native perps, already one of the main arbitrage trades in the market, may compress as institutional liquidity extends into previously uncovered hours.

CME said trading would begin in early 2026, subject to regulatory approval. With less than a quarter left, the short gap matters less for structural positioning and more for tactical flows. Weekend gaps and Friday closes will still be tracked, but traders are already beginning to price in a world where that feature disappears.

The brief status quo is unlikely to change market behavior in a major way. However, it does give arbitrage desks and ETF market makers a final stretch to capitalize on inefficiencies before the always-on era begins.

This is a meaningful change for the Bitcoin market. The CME gap has long been a technical feature of the market, one that traders watch and often trade around. Its disappearance would close one of the few remaining structural divides between institutional and crypto-native markets.

With 24/7 CME contracts, Bitcoin will no longer split into “weekend” and “weekday” liquidity regimes, as the same hedging and arbitrage flows that now wait for Sunday evening will be live throughout.

That adjustment could ripple into pricing models across the market. Options dealers, ETF arbitrage desks, and basis traders have historically built weekend risk into their funding curves.

By early 2026, those premiums are likely to compress, narrowing spreads between CME futures and perpetual swaps on offshore exchanges.

That also means the long-running narrative of weekend volatility (Bitcoin’s tendency to move hardest when TradFi is offline) may start to fade, replaced by more continuous price discovery.

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