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−$25
spread now−0.002%7d average+0.031%fees + slippage, in and out−$21spread needed0.214%
Long on BackpackShort on Kalshi
LegExchangePriceFunding /8hEach paymentNext inOIVol 24hMax lev
LongBackpack BTC_USDC_PERP85,9860.0100pay 0.0013% / 1h3m 47s$38.7M$108.6M75x
ShortKalshi KXBTCPERP85,9840get 0.0000% / 8h4h 03m$12.8M$583.7M6.4x

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
−$0.23
Funding while held
−$3
Slippage, 4 orders
−$1.4
Fee Backpack: 5 bp × 2 orders
−$10
Fee Kalshi: 5 bp × 2 orders
−$10
Net
−$24.63
Spread needed to break even
0.214%
Slippage from Backpack: live order book, 2 min ago; Kalshi: live order book, 2 min ago.

Cost of waiting

funding view
Funding /8h
−0.0100%
Per $10,000 a day
−$3.00
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 Backpack live order book, 2 min ago0.01 bp5.0 bp −$55.0 bp −$506.8 bp −$676doesn't fit
Sell Kalshi live order book, 2 min ago0.17 bp5.3 bp −$56.6 bp −$667.4 bp −$73811.6 bp −$5,800

BTC price on every exchange

against the cheapest. Click to use as the short leg.
Arcus85,880.7cheapestKatana Perps85,899+0.021%Reya85,899.4+0.022%Popdex85,903+0.026%Polymarket Perps85,915+0.040%Hotstuff85,917+0.042%Bullet85,924+0.050%Ondo Perps85,926+0.053%01 Exchange85,926.3+0.053%BloFin85,942.7+0.072%RISEx85,946.5+0.077%Perpl85,946.9+0.077%BingX85,949+0.080%HTX85,954.1+0.085%Gate85,954.8+0.086%Orderly85,956.3+0.088%KuCoin85,957.4+0.089%Aevo85,961.6+0.094%SoDEX85,965+0.098%Phemex85,965.7+0.099%Bitget85,967.5+0.101%Bybit85,967.7+0.101%Extended85,968.2+0.102%Vest85,968.6+0.102%Binance85,969.9+0.104%MEXC85,970.6+0.105%SunX85,970.9+0.105%OKX85,971.3+0.105%Jupiter Perps85,972.9+0.107%Aster85,975.5+0.110%Bulk85,976.3+0.111%Lighter85,979.7+0.115%GMX85,981.1+0.117%gTrade (Gains Network)85,981.8+0.118%Lighter RH85,983.3+0.119%
Kalshi85,984+0.120%
Backpack85,986+0.123%
Pacifica85,988.1+0.125%Bluefin85,989.1+0.126%Phoenix85,992+0.130%ApeX Omni85,997.1+0.136%Kraken Futures86,001+0.140%dYdX86,007.1+0.147%Paradex86,009.8+0.150%edgeX86,010+0.151%StandX86,013+0.154%Hibachi86,015.8+0.157%Coinbase International86,035.6+0.180%Aftermath Perps86,041.3+0.187%Deribit86,046.7+0.193%Derive86,053.5+0.201%Variational Omni86,057+0.205%Hyperliquid86,059+0.208%Nado86,062.2+0.211%Injective86,116+0.274%

BTC on 55 venues

cheapest first. Swap a leg.
Exchangevs long legFunding /8hEveryOIVol 24hMax lev
Arcus BTC-USD−0.122%+0.0100%1h$6.1M$86.0M40xas long as short
Katana Perps BTC-USD−0.101%+0.0100%8h$190K$5.5M50xas long as short
Reya BTCRUSDPERP−0.101%−0.0021%1h$6.7M$137.9M40xas long as short
Popdex BTCUSDT−0.097%+0.0072%1h$8.5M$45.8M100xas long as short
Polymarket Perps BTC-USD−0.083%+0.0100%1h$11.0M$11.7M50xas long as short
Hotstuff BTC-PERP−0.080%−0.0080%1h$9K$4K50xas long as short
Bullet BTC-USD−0.072%+0.0100%1h$244K$3.3M20xas long as short
Ondo Perps BTC-USD.P−0.070%+0.0100%1h$3.9M$16.3M25xas long as short
01 Exchange BTCUSD−0.069%−0.0064%1h$287K$2.4M50xas long as short
BloFin BTC-USDT−0.050%−0.0061%8h$430.0M$569.1M150xas long as short
Show all 55 venues
Exchangevs long legFunding /8hEveryOIVol 24hMax lev
RISEx BTC/USDC−0.046%+0.0128%1h$8.8M$38.9M25xas long as short
Perpl BTC−0.045%−0.0112%43m$410K$29.4M6.7xas long as short
BingX BTC-USDT−0.043%−0.0003%8h—$1.41B—as long as short
HTX BTC-USDT−0.037%+0.0069%8h$2.29B$852.3M200xas long as short
Gate BTC_USDT−0.036%−0.0022%8h$6.11B$9.61B200xas long as short
Orderly PERP_BTC_USDC−0.035%+0.0100%8h$2.4M$7.3M100xas long as short
KuCoin XBTUSDTM−0.033%+0.0025%8h$790.4M$617.9M125xas long as short
Aevo BTC-PERP−0.028%+0.0056%1h$2.4M$1.5M20xas long as short
SoDEX BTC-USD−0.024%−0.0026%1h$61.0M$283.6M40xas long as short
Phemex BTCUSDT−0.024%−0.0022%8h$153.5M$409.2M150xas long as short
Bitget BTCUSDT−0.022%−0.0004%8h$2.97B$4.71B150xas long as short
Bybit BTCUSDT−0.021%+0.0085%8h$5.20B$8.59B150xas long as short
Extended BTC-USD−0.021%+0.0104%1h$48.9M$209.8M50xas long as short
Vest BTC-PERP−0.020%+0.0100%1h—$12.2M50xas long as short
Binance BTCUSDT−0.019%+0.0057%8h$9.51B$22.02B150xas long as short
MEXC BTC_USDT−0.018%+0.0059%8h$5.10B$5.23B500xas long as short
SunX BTC-USDT−0.018%+0.0100%8h$3.3M$6.1M100xas long as short
OKX BTC-USDT-SWAP−0.017%+0.0021%8h$2.66B$11.71B100xas long as short
Jupiter Perps WBTC-PERP−0.015%L +0.0104% / S +0.0048%1h—$89.7M500xas long as short
Aster BTCUSDT−0.012%+0.0039%8h$487.9M$1.13B200xas long as short
Bulk BTC-USD−0.011%+0.0100%1h$558.9M$144.9M40xas long as short
Lighter BTC−0.007%+0.0096%1h$172.7M$946.3M50xas long as short
GMX BTC/USD [WBTC.b-USDC]−0.006%L +0.0198% / S −0.0175%1h$12.5M—200xas long as short
gTrade (Gains Network) BTC/USD−0.005%L +0.0005% / S −0.0004%1h$36.8M—200xas long as short
Lighter RH BTC−0.003%+0.0096%1h$24.9M$141.4M50xas long as short
Kalshi KXBTCPERPshort−0.002%0.0000%8h$12.8M$583.7M6.4x
Backpack BTC_USDC_PERPlong0.000%+0.0100%1h$38.7M$108.6M75x
Pacifica BTC+0.002%+0.0100%1h$36.9M$357.1M50xas long as short
Bluefin BTC-PERP+0.004%−0.0091%1h$142K$407K40xas long as short
Phoenix BTC+0.007%−0.0086%1h$1.8M$10.8M40xas long as short
ApeX Omni BTCUSDT+0.013%−0.0125%1h$139.1M$318.3M100xas long as short
Kraken Futures PF_XBTUSD+0.017%+0.0071%1h$186.5M$822.6M100xas long as short
dYdX BTC-USD+0.025%0.0000%1h$17.3M$17.5M50xas long as short
Paradex BTC-USD-PERP+0.028%+0.0091%8h$4.4M$6.7M50xas long as short
edgeX BTCUSDC+0.028%+0.0100%4h$278.7M$881.3M100xas long as short
StandX BTC-USD+0.031%+0.0100%1h$30.6M$230.6M40xas long as short
Hibachi BTC/USDT-P+0.035%+0.0232%1h$703K$7.4M30xas long as short
Coinbase International BTC-PERP-INTX+0.058%+0.0104%1h$151.5M$6.24B50xas long as short
Aftermath Perps BTCUSD+0.064%+0.0008%1h$86K$154K20xas long as short
Deribit BTC-PERPETUAL+0.071%+0.0203%1h$910.7M$1.11B50xas long as short
Derive BTC-PERP+0.079%+0.0100%1h$30.3M$59.2M15xas long as short
Variational Omni BTC+0.083%+0.0100%8h$171.9M$512.6M—as long as short
Hyperliquid BTC+0.085%+0.0238%1h$3.91B$4.51B40xas long as short
Nado BTC-PERP+0.089%+0.0100%1h$23.7M$230.5M50xas long as short
Injective BTC/USDC PERP+0.151%+0.0108%1h$308K$27.0M52xas long as short