Settings8H · net · $10k
Funding arb · Price arb /

BTC

all BTC markets
SwapBacktest
Alert: funding
Alert: spread
Funding you earn now, next payment 06:00 UTC+0.0064%/8h= +7.0% APRpaid last 24h +0.025%
Price spread now: Kalshi against Reya−0.013%7-day average +0.033% · you buy dearer than you sell
to open and closeno order booka leg has no order-book sample
What this pair did over the last
the charts below follow
Funding, last 3 days (all we have)−0.025%−$3 on $10k
Price spread, last 7 days+0.056%+$6 · spread now −0.013%, 7d avg +0.033%
Together, before fees+0.031%+ Points / potential airdropReya: Active · farm board+$3 on $10k · with fees, hour by hour
Funding pays, the price is against you. Kalshi is 0.046% cheaper against Reya than usual: you would sell low and buy high (spread −0.013% now, against its 7-day average of +0.033%). If the spread goes back, that is −$5 on $10k: about 2.4 days of funding at the current rate (+$2 a day).
LegExchangePriceFunding /8hEach paymentNext inOIVol 24hMax lev
LongReya BTCRUSDPERP85,176.40.0115pay 0.0014% / 1h24m 47s$6.6M$147.4M40x
ShortKalshi KXBTCPERP85,1650.0179get 0.0179% / 8h6h 24m$11.4M$743.8M6.4x

Funding history

latest
Range statsloading…

Price spread between the two exchanges

Kalshi against Reya. Falling: the short leg gains. Rising: it loses.
latest
Price spreadloading…

Funding on every exchange

click an exchange to add or hide it
latest
How often the price spread is this wide · share of time at each level, last 7D show

Profit calculator

Funding earned
$13.45
Price spread: −0.013% → +0.033%
−$4.61
Slippage, 4 orders
no order book: not counted
Fee Reya: 3 bp × 2 orders
−$6
Fee Kalshi: 5 bp × 2 orders
−$10
Net
−$7.16
Costs to cover
0.160%
Break-even
10.7 days
Slippage unknown: Reya: no order-book sample; Kalshi: live order book, 4 min ago. Net counts fees only.

Cost to enter

taker fee + slippage from the mid, one side; closing costs about the same again
LegHalf-spread$10k$100k$1M$5M
Buy Reya no order-book sample
Sell Kalshi live order book, 4 min ago0.23 bp5.4 bp −$56.8 bp −$687.3 bp −$73211.7 bp −$5,856
Reya: no order-book sample. Either the market is below $100k of open interest and volume (not sampled), or the venue executes at an oracle price and its slippage is not modeled here: see the venue's docs.

BTC on 56 venues

lowest funding first. Swap a leg: a good short leg pays more funding and is priced higher.
ExchangeFunding /8hEveryPricePrice vs long legOIVol 24hMax lev
Perpl BTC−0.0112%43m85,189.1+0.015%$524K$18.5M6.7xas long as short
Phoenix BTC−0.0111%1h85,134−0.050%$2.1M$10.4M40xas long as short
Hotstuff BTC-PERP−0.0080%1h85,103−0.086%$8K$3K50xas long as short
KuCoin XBTUSDTM−0.0054%8h85,148.6−0.033%$921.3M$763.8M125xas long as short
BloFin BTC-USDT−0.0036%8h85,188.1+0.014%$419.5M$679.4M150xas long as short
Aster BTCUSDT−0.0017%8h85,152.2−0.028%$511.9M$1.09B200xas long as short
01 Exchange BTCUSD−0.0016%1h85,204.2+0.033%$374K$2.3M50xas long as short
dYdX BTC-USD+0.0001%1h85,1760.000%$16.7M$21.5M50xas long as short
gTrade (Gains Network) BTC/USDL +0.0004% / S −0.0004%1h85,193.8+0.020%$36.4M200xas long as short
Injective BTC/USDC PERP+0.0023%1h85,225+0.057%$338K$26.8M52xas long as short
Show all 56 venues
ExchangeFunding /8hEveryPricePrice vs long legOIVol 24hMax lev
Nado BTC-PERP+0.0032%1h85,126.5−0.059%$24.7M$222.5M50xas long as short
Kraken Futures PF_XBTUSD+0.0056%1h85,188.2+0.014%$186.9M$953.8M100xas long as short
BingX BTC-USDC+0.0067%8h85,133.2−0.051%$17.4Mas long as short
Phemex BTCUSDT+0.0076%8h85,168.6−0.009%$147.7M$504.8M150xas long as short
Aevo BTC-PERP+0.0080%1h85,173.8−0.003%$2.4M$6.7M20xas long as short
Deribit BTC-PERPETUAL+0.0082%1h85,211.3+0.041%$868.3M$1.61B50xas long as short
MEXC BTC_USDT+0.0084%8h85,166.5−0.012%$5.05B$5.72B500xas long as short
Binance BTCUSDT+0.0084%8h85,162.8−0.016%$9.41B$24.80B150xas long as short
Bitget BTCUSDT+0.0085%8h85,169.9−0.008%$2.95B$5.15B150xas long as short
Lighter BTC+0.0096%1h85,172.1−0.005%$170.9M$1.02B50xas long as short
Lighter RH BTC+0.0096%1h85,176.30.000%$23.6M$148.6M50xas long as short
Popdex BTCUSDT+0.0096%1h85,191+0.017%$8.3M$55.7M100xas long as short
Coinbase International BTC-PERP-INTX+0.0096%1h85,206+0.035%$117.0M$5.37B50xas long as short
Bullet BTC-USD+0.0099%1h85,188.2+0.014%$205K$3.3M20xas long as short
Katana Perps BTC-USD+0.0100%8h85,160−0.019%$239K$8.6M50xas long as short
Paradex BTC-USD-PERP+0.0100%8h85,241.7+0.077%$5.8M$9.6M50xas long as short
Hyperliquid BTC+0.0100%1h85,239+0.074%$3.74B$5.06B40xas long as short
Pacifica BTC+0.0100%1h85,189.8+0.016%$40.1M$599.0M50xas long as short
Bybit BTCUSDT+0.0100%8h85,174−0.003%$5.14B$9.96B150xas long as short
OKX BTC-USDT-SWAP+0.0100%8h85,180+0.004%$2.57B$12.16B100xas long as short
Ondo Perps BTC-USD.P+0.0100%1h85,166−0.012%$3.8M$17.6M25xas long as short
Arcus BTC-USD+0.0100%1h85,176.10.000%$4.6M$99.1M40xas long as short
Bulk BTC-USD+0.0100%1h85,183.8+0.009%$678.4M$603.6M40xas long as short
Gate BTC_USDT+0.0100%8h85,148.6−0.033%$5.49B$10.97B200xas long as short
Backpack BTC_USDC_PERP+0.0100%1h85,142.2−0.040%$36.3M$175.8M75xas long as short
Variational Omni BTC+0.0100%8h85,082−0.111%$154.2M$566.7Mas long as short
edgeX BTCUSDC+0.0100%4h85,094.5−0.096%$278.9M$945.6M100xas long as short
GRVT BTC_USDT_Perp+0.0100%8h85,198.3+0.026%$214.1M$167.9M50xas long as short
ApeX Omni BTCUSDT+0.0100%1h85,090.5−0.101%$139.1M$315.1M100xas long as short
StandX BTC-USD+0.0100%1h85,120−0.066%$30.0M$206.3M40xas long as short
Vest BTC-PERP+0.0100%1h85,233.3+0.067%$10.9M50xas long as short
Polymarket Perps BTC-USD+0.0100%1h85,180+0.004%$11.0M$14.4M50xas long as short
Orderly PERP_BTC_USDC+0.0100%8h85,185.6+0.011%$2.5M$9.3M100xas long as short
Bluefin BTC-PERP+0.0100%1h85,220+0.051%$228K$760K40xas long as short
Derive BTC-PERP+0.0100%1h85,161.3−0.018%$29.9M$48.5M15xas long as short
SunX BTC-USDT+0.0100%8h85,164.1−0.014%$2.9M$6.1M100xas long as short
SoDEX BTC-USD+0.0100%1h85,1760.000%$59.6M$336.1M40xas long as short
HTX BTC-USDT+0.0100%8h85,164.6−0.014%$2.25B$941.6M200xas long as short
Extended BTC-USD+0.0104%1h85,109.6−0.078%$45.2M$239.0M50xas long as short
Jupiter Perps WBTC-PERPL +0.0104% / S +0.0048%1h85,189.2+0.015%$106.8M500xas long as short
Reya BTCRUSDPERPlong+0.0115%1h85,176.4long leg$6.6M$147.4M40x
GMX BTC/USD [WBTC.b-USDC]L +0.0176% / S −0.0151%1h85,190.4+0.016%$13.0M200xas long as short
Kalshi KXBTCPERPshort+0.0179%8h85,165−0.013%$11.4M$743.8M6.4x
Aftermath Perps BTCUSD+0.0221%1h85,186.1+0.011%$78K$226K20xas long as short
Hibachi BTC/USDT-P+0.0232%1h85,129.5−0.055%$716K$8.0M30xas long as short
RISEx BTC/USDC+0.0257%1h85,211.9+0.042%$8.7M$43.2M25xas long as short