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

BTC

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SwapBacktest
Alert: funding
Alert: spread
Funding you earn now, next payment 23:00 UTC−0.0303%/8h= −33.1% APRnext payment $0.38 per $10,000 · paid last 24h +0.013%
Price spread now: Aftermath Perps against Polymarket Perps+0.072%56s7-day average +0.021% · you sell dearer than you buy
Net, funding: paid 7d − costsunder 7 days of funding history
Net, price: spread back to 7d avg − costsprices read too far apart to compare
costs, in and out, $10k−$270.274% of the position
What this pair did over the last
the charts below follow
Funding, last 3 days (all we have)+0.029%+$3 on $10k
Price spread, last 3 days (all we have)−0.049%−$5 · spread now +0.072%, 7d avg +0.021%
Together, before fees−0.020%−$2 on $10k · with fees, hour by hour
The price spread pays, funding is against you. Aftermath Perps is 0.051% dearer against Polymarket Perps than usual: you sell high and buy low (spread +0.072% now, against its 7-day average of +0.021%): +$5 on $10k if it goes back. Holding the pair costs −$9 a day in funding at the current rate, which eats that in about 14 hours. The two prices were read 56 seconds apart, so part of this spread may be the market moving, not a spread.
The current funding rate is far above what this pair has been paying: over the last 3 days it paid 0.029% in total (about 3.4% a year). A funding rate is set anew for every payment; at this rate the next one is about $0.38 per $10,000. In the chart: green and red are payments made, yellow is the current rate, not paid yet.
LegExchangePriceFunding /8hEach paymentNext inOIVol 24hMax lev
LongPolymarket Perps BTC-USD86,5410.0100pay 0.0013% / 1h50m 36s$11.1M$13.5M50x
ShortAftermath Perps BTCUSD86,603.6−0.0203pay 0.0025% / 1h50m 36s$79K$199K20x

Funding history

latest
Range statsloading…

Price spread between the two exchanges

Aftermath Perps against Polymarket Perps. 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
−$63.55
Price spread: +0.072% → +0.021%
$5.15
Slippage, 4 orders
−$10.39
Fee Polymarket Perps: 4 bp × 2 orders
−$8
Fee Aftermath Perps: 4.5 bp × 2 orders
−$9
Net
−$85.8
Costs to cover
0.274%
Break-even
never at this rate
Slippage from Polymarket Perps: live order book, 4 min ago; Aftermath Perps: live order book, 34 min ago.

Cost to enter

taker fee + slippage from the mid, one side; closing costs about the same again
LegHalf-spread$10k$100k$1M$5M
Buy Polymarket Perps live order book, 4 min ago0.06 bp4.6 bp −$55.5 bp −$558.9 bp −$892doesn't fit
Sell Aftermath Perps live order book, 34 min ago1.77 bp6.3 bp −$615.9 bp −$159doesn't fitdoesn't fit

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
Aftermath Perps BTCUSDshort−0.0203%1h86,603.6+0.072%$79K$199K20x
Phoenix BTC−0.0159%1h86,601+0.069%$2.2M$11.8M40xas long as short
Hotstuff BTC-PERP−0.0080%1h86,559+0.021%$9K$3K50xas long as short
dYdX BTC-USD−0.0025%1h86,590.3+0.057%$17.6M$20.7M50xas long as short
01 Exchange BTCUSD−0.0008%1h86,571.1+0.035%$359K$2.4M50xas long as short
Aster BTCUSDT−0.0006%8h86,557.2+0.019%$505.4M$1.16B200xas long as short
Perpl BTC0.0000%43m86,555.3+0.017%$420K$24.2M6.7xas long as short
Deribit BTC-PERPETUAL0.0000%1h86,564.9+0.028%$925.7M$1.47B50xas long as short
KuCoin XBTUSDTM+0.0003%8h86,554.4+0.015%$851.0M$709.4M125xas long as short
gTrade (Gains Network) BTC/USDL +0.0005% / S −0.0004%1h86,560.9+0.023%$36.8M200xas long as short
Show all 56 venues
ExchangeFunding /8hEveryPricePrice vs long legOIVol 24hMax lev
RISEx BTC/USDC+0.0006%1h86,576.7+0.041%$8.6M$43.3M25xas long as short
Hibachi BTC/USDT-P+0.0016%1h86,567.6+0.031%$730K$8.1M30xas long as short
Reya BTCRUSDPERP+0.0022%1h86,532.5−0.010%$6.7M$144.7M40xas long as short
Injective BTC/USDC PERP+0.0024%1h86,587+0.053%$315K$26.8M52xas long as short
Phemex BTCUSDT+0.0028%8h86,533.7−0.008%$149.6M$473.2M150xas long as short
BingX BTC-USDT+0.0030%8h86,570+0.034%$1.59Bas long as short
Bitget BTCUSDT+0.0039%8h86,545.2+0.005%$2.95B$5.08B150xas long as short
Aevo BTC-PERP+0.0056%1h86,533.7−0.008%$2.4M$1.3M20xas long as short
SoDEX BTC-USD+0.0058%1h86,528−0.015%$60.5M$336.8M40xas long as short
Binance BTCUSDT+0.0059%8h86,554.5+0.016%$9.42B$24.37B150xas long as short
MEXC BTC_USDT+0.0059%8h86,565.6+0.028%$5.19B$5.61B500xas long as short
Gate BTC_USDT+0.0083%8h86,560.8+0.023%$5.85B$10.62B200xas long as short
Bybit BTCUSDT+0.0088%8h86,538.8−0.003%$5.27B$9.73B150xas long as short
Lighter BTC+0.0096%1h86,577.2+0.042%$172.5M$997.9M50xas long as short
Lighter RH BTC+0.0096%1h86,587.9+0.054%$24.0M$151.6M50xas long as short
Popdex BTCUSDT+0.0096%1h86,542+0.001%$8.5M$52.3M100xas long as short
Nado BTC-PERP+0.0097%1h86,567.7+0.031%$21.7M$233.9M50xas long as short
Katana Perps BTC-USD+0.0100%8h86,549+0.009%$205K$6.9M50xas long as short
Paradex BTC-USD-PERP+0.0100%8h86,604.7+0.074%$4.7M$8.3M50xas long as short
Hyperliquid BTC+0.0100%1h86,613.7+0.084%$3.81B$5.09B40xas long as short
Pacifica BTC+0.0100%1h86,601.5+0.070%$41.0M$499.4M50xas long as short
OKX BTC-USDT-SWAP+0.0100%8h86,545.4+0.005%$2.55B$12.71B100xas long as short
Ondo Perps BTC-USD.P+0.0100%1h86,554+0.015%$3.9M$18.6M25xas long as short
Arcus BTC-USD+0.0100%1h86,638.3+0.112%$7.4M$94.0M40xas long as short
Bulk BTC-USD+0.0100%1h86,527.4−0.016%$571.7M$19.3M40xas long as short
Backpack BTC_USDC_PERP+0.0100%1h86,532.4−0.010%$38.2M$153.0M75xas long as short
Variational Omni BTC+0.0100%8h86,582.6+0.048%$156.4M$568.8Mas long as short
edgeX BTCUSDC+0.0100%4h86,579.9+0.045%$279.6M$942.4M100xas long as short
GRVT BTC_USDT_Perp+0.0100%8h86,665.5+0.144%$217.4M$182.6M50xas long as short
ApeX Omni BTCUSDT+0.0100%1h86,588.3+0.055%$141.5M$322.9M100xas long as short
StandX BTC-USD+0.0100%1h86,556+0.017%$30.7M$203.2M40xas long as short
Vest BTC-PERP+0.0100%1h86,592.9+0.060%$11.6M50xas long as short
Polymarket Perps BTC-USDlong+0.0100%1h86,541long leg$11.1M$13.5M50x
Bullet BTC-USD+0.0100%1h86,535−0.007%$193K$3.4M20xas long as short
Orderly PERP_BTC_USDC+0.0100%8h86,543.3+0.003%$2.4M$8.6M100xas long as short
Bluefin BTC-PERP+0.0100%1h86,559+0.021%$140K$618K40xas long as short
Derive BTC-PERP+0.0100%1h86,535.2−0.007%$30.0M$61.6M15xas long as short
SunX BTC-USDT+0.0100%8h86,527.8−0.015%$3.4M$5.5M100xas long as short
HTX BTC-USDT+0.0100%8h86,530.3−0.012%$2.30B$959.6M200xas long as short
Extended BTC-USD+0.0104%1h86,554.5+0.016%$46.4M$225.3M50xas long as short
Jupiter Perps WBTC-PERPL +0.0104% / S +0.0048%1h86,558.1+0.020%$99.1M500xas long as short
Coinbase International BTC-PERP-INTX+0.0112%1h86,571.9+0.036%$131.6M$5.77B50xas long as short
Kraken Futures PF_XBTUSD+0.0121%1h86,562.4+0.025%$191.3M$937.3M100xas long as short
BloFin BTC-USDT+0.0179%8h86,545.5+0.005%$415.3M$655.0M150xas long as short
GMX BTC/USD [WBTC.b-USDC]L +0.0180% / S −0.0210%1h86,554.7+0.016%$15.0M200xas long as short
Kalshi KXBTCPERP+0.0188%8h86,566+0.029%$9.5M$726.4M6.4xas long as short