data as of
Settings8H · net · $10k
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Price arb /

BTC

all BTC markets
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Checked every minute; it has to hold two checks in a row. Delivery to Telegram comes later, so for now alerts appear on the alerts page.

After costs, if the gap returns to its 7d average, $10k−$23
spread now−0.107%7d average−0.033%fees + slippage, in and out−$16spread needed0.158%
Long on KalshiShort on Extended
LegExchangePriceFunding /8hEach paymentNext inOIVol 24hMax lev
LongKalshi KXBTCPERP85,9820.0104pay 0.0104% / 8h2h 55m$14.2M$619.3M6.4x
ShortExtended BTC-USD85,889.8−0.0024pay 0.0003% / 1h55m 34s$48.7M$201.4M50x

Price spread history

latest
Range statsloading…

How often the spread is this wide

share of time at each level, last 7D

Backtest

opened in the past, held until now, after costs
Backtest 7 daysBacktest 30 daysBacktest 90 daysopens the backtester with this pair and $10,000 a leg

Profit calculator

Spread captured
−$10.73
Funding while held
−$3.85
Slippage, 4 orders
−$0.84
Fee Kalshi: 5 bp × 2 orders
−$10
Fee Extended: 2.5 bp × 2 orders
−$5
Net
−$30.41
Spread needed to break even
0.158%
Slippage from Kalshi: live order book, 5 min ago; Extended: live order book, 5 min ago.

Cost of waiting

funding view
Funding /8h
−0.0128%
Per $10,000 a day
−$3.85
Average in range /8h
—

Cost to enter

taker fee + slippage from the mid, one side; closing costs about the same again
LegHalf-spread$10k$100k$1M$5M
Buy Kalshi live order book, 5 min ago0.23 bp5.4 bp −$56.5 bp −$657.3 bp −$73212.2 bp −$6,077
Sell Extended live order book, 5 min ago0.06 bp2.6 bp −$32.6 bp −$264.3 bp −$43210.4 bp −$5,194

BTC price on every exchange

against the cheapest. Click to use as the short leg.
Arcus85,830.1cheapestPopdex85,856+0.030%Binance85,858.5+0.033%Katana Perps85,861+0.036%Hotstuff85,877+0.055%Bitget85,877.3+0.055%ApeX Omni85,884.8+0.064%Ondo Perps85,887+0.066%RISEx85,888.8+0.068%
Extended85,889.8+0.070%
Gate85,890.6+0.070%MEXC85,890.6+0.070%Bybit85,894+0.074%OKX85,896.1+0.077%BingX85,896.7+0.078%KuCoin85,900+0.081%01 Exchange85,902.8+0.085%Reya85,908.7+0.092%Bulk85,912.3+0.096%Variational Omni85,920+0.105%Lighter85,920.4+0.105%SunX85,922+0.107%Aster85,922.5+0.108%Paradex85,923.7+0.109%Nado85,926.9+0.113%Perpl85,927.7+0.114%Polymarket Perps85,928+0.114%Pacifica85,930.1+0.117%Lighter RH85,931.6+0.118%SoDEX85,932+0.119%Phemex85,932.3+0.119%HTX85,936.2+0.124%Injective85,937+0.125%BloFin85,937.1+0.125%Aevo85,938.4+0.126%Derive85,941.5+0.130%edgeX85,941.9+0.130%Bullet85,942+0.130%Orderly85,946.2+0.135%Phoenix85,955+0.146%Backpack85,958.1+0.149%Jupiter Perps85,959+0.150%Vest85,968.5+0.161%Bluefin85,976.2+0.170%dYdX85,979.1+0.174%GMX85,980.3+0.175%
Kalshi85,982+0.177%
StandX85,985.6+0.181%Aftermath Perps85,986.7+0.182%Kraken Futures85,987.1+0.183%gTrade (Gains Network)85,987.9+0.184%Hibachi85,992.4+0.189%Deribit86,015.8+0.216%Hyperliquid86,031+0.234%Coinbase International86,041.4+0.246%

BTC on 55 venues

cheapest first. Swap a leg.
Exchangevs long legFunding /8hEveryOIVol 24hMax lev
Arcus BTC-USD−0.177%−0.0377%1h$6.5M$84.6M40xas long as short
Popdex BTCUSDT−0.147%+0.0032%1h$8.5M$46.4M100xas long as short
Binance BTCUSDT−0.144%+0.0034%8h$9.49B$21.95B150xas long as short
Katana Perps BTC-USD−0.141%+0.0100%8h$218K$5.6M50xas long as short
Hotstuff BTC-PERP−0.122%−0.0080%1h$9K$4K50xas long as short
Bitget BTCUSDT−0.122%−0.0003%8h$2.95B$4.68B150xas long as short
ApeX Omni BTCUSDT−0.113%−0.0004%1h$138.8M$318.4M100xas long as short
Ondo Perps BTC-USD.P−0.110%+0.0100%1h$4.0M$16.4M25xas long as short
RISEx BTC/USDC−0.108%+0.0040%1h$9.2M$38.8M25xas long as short
Extended BTC-USDshort−0.107%−0.0024%1h$48.7M$201.4M50x
Show all 55 venues
Exchangevs long legFunding /8hEveryOIVol 24hMax lev
Gate BTC_USDT−0.106%+0.0030%8h$6.05B$9.43B200xas long as short
MEXC BTC_USDT−0.106%+0.0034%8h$5.18B$5.07B500xas long as short
Bybit BTCUSDT−0.102%+0.0015%8h$5.24B$8.57B150xas long as short
OKX BTC-USDT-SWAP−0.100%+0.0012%8h$2.66B$11.52B100xas long as short
BingX BTC-USDC−0.099%−0.0003%8h—$14.7M—as long as short
KuCoin XBTUSDTM−0.095%+0.0005%8h$793.7M$611.3M125xas long as short
01 Exchange BTCUSD−0.092%−0.0048%1h$294K$2.4M50xas long as short
Reya BTCRUSDPERP−0.085%−0.0018%1h$6.7M$138.1M40xas long as short
Bulk BTC-USD−0.081%−0.0010%1h$560.4M$140.4M40xas long as short
Variational Omni BTC−0.072%+0.0081%8h$171.5M$507.9M—as long as short
Lighter BTC−0.072%+0.0096%1h$172.2M$928.5M50xas long as short
SunX BTC-USDT−0.070%+0.0100%8h$3.3M$5.9M100xas long as short
Aster BTCUSDT−0.069%+0.0023%8h$505.0M$1.12B200xas long as short
Paradex BTC-USD-PERP−0.068%+0.0094%8h$4.4M$6.8M50xas long as short
Nado BTC-PERP−0.064%+0.0100%1h$23.4M$227.4M50xas long as short
Perpl BTC−0.063%−0.0223%43m$408K$27.4M6.7xas long as short
Polymarket Perps BTC-USD−0.063%+0.0100%1h$11.0M$11.5M50xas long as short
Pacifica BTC−0.060%+0.0100%1h$37.0M$385.2M50xas long as short
Lighter RH BTC−0.059%+0.0096%1h$24.6M$134.6M50xas long as short
SoDEX BTC-USD−0.058%−0.0023%1h$60.9M$284.0M40xas long as short
Phemex BTCUSDT−0.058%−0.0059%8h$148.6M$414.1M150xas long as short
HTX BTC-USDT−0.053%+0.0100%8h$2.29B$839.8M200xas long as short
Injective BTC/USDC PERP−0.052%−0.0019%1h$308K$27.0M52xas long as short
BloFin BTC-USDT−0.052%−0.0085%8h$421.0M$564.9M150xas long as short
Aevo BTC-PERP−0.051%+0.0032%1h$2.4M$1.3M20xas long as short
Derive BTC-PERP−0.047%+0.0073%1h$30.4M$60.0M15xas long as short
edgeX BTCUSDC−0.047%+0.0100%4h$278.9M$883.3M100xas long as short
Bullet BTC-USD−0.047%+0.0100%1h$231K$3.3M20xas long as short
Orderly PERP_BTC_USDC−0.042%+0.0100%8h$2.3M$7.3M100xas long as short
Phoenix BTC−0.031%−0.0096%1h$1.9M$10.8M40xas long as short
Backpack BTC_USDC_PERP−0.028%+0.0100%1h$37.5M$123.7M75xas long as short
Jupiter Perps WBTC-PERP−0.027%L +0.0104% / S +0.0048%1h—$85.4M500xas long as short
Vest BTC-PERP−0.016%+0.0100%1h—$11.9M50xas long as short
Bluefin BTC-PERP−0.007%−0.8000%1h$142K$392K40xas long as short
dYdX BTC-USD−0.003%−0.0038%1h$17.3M$17.8M50xas long as short
GMX BTC/USD [WBTC.b-USDC]−0.002%L +0.0171% / S −0.0149%1h$12.5M—200xas long as short
Kalshi KXBTCPERPlong0.000%+0.0104%8h$14.2M$619.3M6.4x
StandX BTC-USD+0.004%+0.0086%1h$30.6M$227.6M40xas long as short
Aftermath Perps BTCUSD+0.005%+0.0103%1h$87K$150K20xas long as short
Kraken Futures PF_XBTUSD+0.006%−0.0073%1h$189.7M$813.5M100xas long as short
gTrade (Gains Network) BTC/USD+0.007%L +0.0005% / S −0.0004%1h$36.8M—200xas long as short
Hibachi BTC/USDT-P+0.012%+0.0104%1h$756K$7.4M30xas long as short
Deribit BTC-PERPETUAL+0.039%+0.0207%1h$913.3M$1.11B50xas long as short
Hyperliquid BTC+0.057%+0.0117%1h$3.89B$4.38B40xas long as short
Coinbase International BTC-PERP-INTX+0.069%+0.0184%1h$128.4M$6.01B50xas long as short