data as of
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Price arb /

SPY

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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−$43
spread now0.000%7d average+0.053%fees + slippage, in and out−$38spread needed0.381%
Long on ArcusShort on KuCoin
LegExchangePriceFunding /8hEach paymentNext inOIVol 24hMax lev
LongArcus SPY-USD772.140.0154pay 0.0019% / 1h8m 58s$973K$1.1M50x
ShortKuCoin SPYUSDTM772.140.0100get 0.0100% / 8h7h 08m$2.5M$1.1M20x

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
Funding while held
−$1.63
Slippage, 4 orders
−$21.59
Fee Arcus: 2.25 bp × 2 orders
−$4.5
Fee KuCoin: 6 bp × 2 orders
−$12
Net
−$39.72
Spread needed to break even
0.381%
Slippage from Arcus: live order book, 1 min ago; KuCoin: live order book, 4 min ago.

Cost of waiting

funding view
Funding /8h
−0.0054%
Per $10,000 a day
−$1.63
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 Arcus live order book, 1 min ago0.06 bp2.8 bp −$36.1 bp −$6110.6 bp −$1,057doesn't fit
Sell KuCoin live order book, 4 min ago2.91 bp10.2 bp −$1095.9 bp −$959doesn't fitdoesn't fit

SPY price on every exchange

against the cheapest. Click to use as the short leg.
Phoenix771.82cheapestVest772.00+0.023%Ondo Perps772.04+0.029%
Arcus772.14+0.041%
KuCoin772.14+0.041%
Nado772.17+0.045%Coinbase International772.21+0.051%ApeX Omni772.24+0.054%Gate772.27+0.058%Aevo772.34+0.068%HTX772.41+0.076%Aster772.61+0.102%Deribit772.68+0.111%Bybit772.70+0.114%Bitget772.71+0.115%MEXC772.72+0.117%BloFin772.73+0.118%Binance772.74+0.119%edgeX772.74+0.119%GMX772.75+0.120%Lighter772.75+0.120%RISEx772.75+0.121%OKX772.76+0.122%Orderly772.89+0.139%Lighter RH773.11+0.167%SunX773.90+0.269%

SPY on 26 venues

cheapest first. Swap a leg.
Exchangevs long legFunding /8hEveryOIVol 24hMax lev
Phoenix SPY−0.041%−0.0280%1h$160K$266K20xas long as short
Vest SPY-USD-PERP−0.018%+0.0046%1h—$84K50xas long as short
Ondo Perps SPY-USD.P−0.013%+0.0050%1h$4.7M$491K20xas long as short
Arcus SPY-USDlong0.000%+0.0154%1h$973K$1.1M50x
KuCoin SPYUSDTMshort0.000%+0.0100%8h$2.5M$1.1M20x
Nado SPY-PERP+0.004%+0.0087%1h$1.6M$366K20xas long as short
Coinbase International SPY-PERP-INTX+0.009%+0.0152%1h$937K$595K20xas long as short
ApeX Omni SPYUSDT+0.013%+0.0100%1h$155K$31K50xas long as short
Gate SPY_USDT+0.017%0.0000%8h$728K$1.8M75xas long as short
Aevo SPY-PERP+0.026%+0.0104%1h$87K—10xas long as short
Show all 26 venues
Exchangevs long legFunding /8hEveryOIVol 24hMax lev
HTX SPY-USDT+0.035%0.0000%8h$308K$23K50xas long as short
Aster SPYUSDT+0.061%+0.0119%8h$862K$221K20xas long as short
Deribit SPY_USDC-PERPETUAL+0.070%+0.0138%1h$22K$73K20xas long as short
Bybit SPYUSDT+0.073%0.0000%8h$6.3M$2.0M100xas long as short
Bitget SPYUSDT+0.074%+0.0189%8h$10.9M$3.0M50xas long as short
MEXC SPY_USDT+0.075%+0.0108%8h$19.6M$10.5M100xas long as short
BloFin SPY-USDT+0.076%−0.0011%8h$432K$695K50xas long as short
Binance SPYUSDT+0.078%+0.0109%8h$31.4M$71.1M50xas long as short
edgeX SPYUSDC+0.078%+0.0072%4h$639K$239K20xas long as short
GMX SPY/USD [ETH-USDC]+0.078%L +0.0414% / S −0.3519%1h$24K—53xas long as short
Lighter SPY+0.079%+0.0032%1h$9.1M$20.1M50xas long as short
RISEx SPY/USDC+0.079%+0.0339%1h$6.9M$5.7M25xas long as short
OKX SPY-USDT-SWAP+0.080%+0.0077%8h$8.2M$3.0M50xas long as short
Orderly PERP_SPY_USDC_mythos+0.097%+0.0100%8h$1K—20xas long as short
Lighter RH SPY+0.126%+0.0032%1h$56.4M$123.8M50xas long as short
SunX SPY-USDT+0.228%0.0000%8h$2K$1.5M10xas long as short