Bitcoin (BTC) open interest live: chart and OI by exchange
Open interest in BTC perpetual futures totals $21.22B across 13 contributing markets, with Binance BTCUSDT holding 34.4% of it. The table lists 14 markets; excluded markets and markets with missing or stale OI do not contribute to this total. OI changed +0.07% in the last hour, +1.24% over 4 hours and -1.04% over 24 hours. Over the same 24 hours the price moved -1.50%: positions closed while price fell, which is typical of longs exiting or being liquidated. Matched 24h snapshots cover 13 / 13 current counted markets (100.0% of current counted OI). Their implied USD change is -$223.39M. Among matched markets, Gate has the largest venue increase (+$26.02M) and Binance has the largest venue decrease (-$133.50M). These implied changes in USD-valued open interest use the displayed 24h snapshots and reflect price as well as position quantities.
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BTC open interest by exchange
USD · changes from 5-minute snapshots| Market | Open interest | Share | OI 1h | OI 4h | OI 24h | Price 1h | Price 24h | Funding 8h | 24h volume | Trade |
|---|---|---|---|---|---|---|---|---|---|---|
| Binance BTCUSDT | $7.31B | 34.4% | -0.11% | +0.59% | -1.54% -$114.50M |
-0.23% | -1.50% | 0.0075% | $10.04B | Trade |
| MEXC BTC_USDT | $4.58B * | — | -1.59% | -4.84% | -6.54% — |
-0.21% | -1.51% | 0.0075% | $2.75B | Trade |
| Bybit BTCUSDT | $2.59B | 12.2% | +0.29% | +1.95% | +0.31% +$7.90M |
-0.22% | -1.50% | 0.0053% | $4.39B | Trade |
| Gate BTC_USDT | $2.33B | 11.0% | +1.49% | +5.47% | +1.13% +$26.02M |
-0.29% | -1.67% | 0.0086% | $6.36B | Trade |
| Binance BTCUSDC | $1.72B | 8.1% | +0.49% | +0.32% | -0.83% -$14.49M |
-0.22% | -1.51% | 0.0057% | $2.62B | Trade |
| Binance BTCUSD_PERP | $1.49B | 7.0% | +0.04% | +0.11% | -0.30% -$4.51M |
-0.29% | -1.70% | 0.0100% | $626.67M | Trade |
| Hyperliquid BTC | $1.45B | 6.8% | -1.65% | -1.03% | -5.22% -$79.58M |
-0.25% | -1.52% | -0.0037% | $2.78B | Trade |
| Bitget BTCUSDT | $1.41B | 6.6% | -0.79% | +0.18% | -1.47% -$20.98M |
-0.28% | -1.66% | 0.0100% | $2.73B | Trade |
| HTX BTC-USDT | $1.05B | 5.0% | -0.67% | -1.61% | -3.27% -$35.66M |
-0.24% | -1.60% | 0.0100% | $518.17M | Trade |
| KuCoin XBTUSDTM | $774.08M | 3.6% | +1.39% | +10.41% | +1.34% +$10.23M |
-0.23% | -1.51% | 0.0100% | $456.31M | Trade |
| Aster BTCUSDT | $451.66M | 2.1% | -0.04% | -0.84% | -2.50% -$11.56M |
-0.32% | -1.68% | 0.0092% | $450.60M | Trade |
| Bybit BTCUSD | $401.03M | 1.9% | -0.50% | -0.16% | +2.27% +$8.91M |
-0.21% | -1.50% | 0.0091% | $204.66M | Trade |
| Lighter BTC | $154.41M | 0.7% | +4.21% | +0.32% | +3.34% +$4.99M |
-0.21% | -1.51% | 0.0096% | $911.38M | Trade |
| KuCoin XBTUSDM | $99.63M | 0.5% | +0.06% | +0.24% | -0.17% -$173K |
-0.18% | -1.67% | 0.0100% | $4.38M | Trade |
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BTC open interest history
From recorded history, hourlyBTC open interest is $21.22B, down 4.3% over the past 7 days, and down 1.3% in the last 24 hours.
BTC open interest
All perps, USDLoading chart…
Not recorded Chart: TradingView Lightweight Charts™
BTC open interest in BTC
All perps, coin units at each market's mark priceLoading chart…
Not recorded Chart: TradingView Lightweight Charts™
About the BTC open interest
What is BTC open interest?
Open interest (OI) is the total value of all open BTC perpetual futures positions, in USD. Every open contract has a long and a short side, so OI counts one side only. It rises when new positions open and falls when positions close or are liquidated.
How to read OI with price
OI up, price up: new positions opening as price rises, usually fresh longs. OI up, price down: fresh shorts. OI down, price up: shorts closing (a short squeeze if fast). OI down, price down: longs exiting or being liquidated. Large OI changes in a few hours show where leverage is building or unwinding in BTC.
Where the numbers come from
The current BTC OI total includes public API data from Aster, Binance, Bitget, Bybit, Gate, HTX, Hyperliquid, KuCoin and Lighter. Current coverage: 9 exchanges (MEXC excluded) · see coverage. Excluded venues remain visible per market but contribute neither to the combined total nor to row shares. Markets with missing or stale OI also have no share. OI is converted to USD at the mark price, so part of an OI change can come from the price move itself. Changes compare the current value with 5-minute snapshots the server has recorded since it last started.
Is this aggregated BTC open interest?
Yes. The headline figure and the BTC open interest chart sum eligible tracked BTC perpetuals; the current total includes Aster, Binance, Bitget, Bybit, Gate, HTX, Hyperliquid, KuCoin and Lighter ($21.22B now). Current coverage: 9 exchanges (MEXC excluded) · see coverage. Excluded venues remain visible per market but contribute neither to the combined total nor to row shares. Markets with missing or stale OI also have no share; historical coverage can vary, with history since 27 Sep. The same series is free as JSON from /api/series/oi.
Which BTC perpetual contract has the most open interest?
Right now Binance (BTCUSDT) is the largest BTC perpetual market, with $7.31B or 34.4% of the $21.22B tracked total. This compares individual eligible contracts with current OI data. The table above lists all 14 markets with their OI, 1h, 4h and 24h changes and funding.
Where can I compare open interest across coins?
The crypto open interest table ranks every perpetual by OI with 1h, 4h and 24h changes, the OI change screener finds the biggest moves, and Hyperliquid open interest covers the on-chain exchange on its own.