The Bullish Closing Cross is a daily, deterministic auction that produces a single, transparent closing price for Bitcoin built on the same call-auction logic that has anchored equity markets for decades.
Bullish, an institutionally focused global digital asset platform that provides market infrastructure and information services, announced the launch of the Bullish Closing Cross, the first daily call auction for spot Bitcoin operated by an NYSE-listed digital asset platform. The Closing Cross is designed to provide ETFs, index funds and institutional portfolios with a deterministic daily benchmark print for BTC/USDC.
The Closing Cross addresses a structural gap in institutional digital asset markets. Bitcoin trades 24/7/365, with no natural close, complicating net asset value calculations, index rebalancing and portfolio mark-to-market for ETFs and index funds. Spot Bitcoin ETFs hold billions in assets, and most strike their daily net asset value against a calculated reference rate aggregated from continuous trading across multiple spot venues, rather than a single executed closing print.
The Closing Cross aggregates global buy and sell interest into a single high-liquidity event each day, applying the auction model that anchors equities trading to spot Bitcoin. Daily USD/USDC and USDT/USD auctions will also run concurrently, allowing customers to manage stablecoin and USD conversions in the same single liquid trading event.
“The closing auction is a critical market infrastructure element in all major asset classes. At set times each day, auctions produce a single, liquid price that ETFs, investors and other market participants use to value their positions and an entire ecosystem of risk management is built around it,” said Tom Farley, CEO of Bullish. “With the Closing Cross, Bullish is bringing that same mechanism to spot Bitcoin on a regulated exchange.”
The Bullish Closing Cross runs at 4:00 p.m. Eastern Time. New orders may be entered up until the cross. Existing orders cannot be modified or canceled during a brief lockdown period from 3:50 p.m. to 4:00 p.m. Eastern Time. During the lockdown, Bullish publishes a Net Order Imbalance Indicator, showing indicative clearing price and any remaining order imbalance. At the cross, all matched orders execute at a single price, concentrating a full day of global liquidity into one transparent daily print.
The Bullish Closing Cross is accessible via REST, UI and FIX API. Trading in the Closing Cross is fee-free at launch. Institutional customers can contact sales@bullish.com to learn more.
Source: Bullish
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