data as of
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Price arb /

SP500

RWAall SP500 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−$20
spread now+0.008%7d average+0.046%fees + slippage, in and out−$16spread needed0.163%
Long on Polymarket PerpsShort on Popdex
LegExchangePriceFunding /8hEach paymentNext inOIVol 24hMax lev
LongPolymarket Perps SP500-USD7,754.10.0050pay 0.0006% / 1h27m 08s$7.6M$1.5M50x
ShortPopdex US500USDT7,754.70.0048get 0.0006% / 1h27m 08s$547K$210K20x

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
$0.77
Funding while held
−$0.06
Slippage, 4 orders
−$1.88
Fee Polymarket Perps: 4 bp × 2 orders
−$8
Fee Popdex: 3.2 bp × 2 orders
−$6.4
Net
−$15.57
Spread needed to break even
0.163%
Slippage from Polymarket Perps: live order book, 3 min ago; Popdex: live order book, 13 min ago.

Cost of waiting

funding view
Funding /8h
−0.0002%
Per $10,000 a day
−$0.06
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 Polymarket Perps live order book, 3 min ago0.06 bp4.1 bp −$44.1 bp −$414.7 bp −$47110.4 bp −$5,195
Sell Popdex live order book, 13 min ago0.52 bp3.7 bp −$43.8 bp −$386.6 bp −$659doesn't fit

SP500 price on every exchange

against the cheapest. Click to use as the short leg.
Injective7,653.7cheapestMarkets by Kinetiq7,727.4+0.963%Variational Omni7,727.7+0.967%SoDEX7,752.9+1.296%Lighter7,753.1+1.299%Bitget7,753.5+1.304%Ondo Perps7,753.6+1.305%Paradex7,754+1.310%
Polymarket Perps7,754.1+1.312%
Bullet7,754.2+1.314%OKX7,754.5+1.317%tradeXYZ7,754.6+1.318%QFEX7,754.7+1.320%
Popdex7,754.7+1.320%
Aftermath Perps7,755.3+1.327%Pacifica7,755.8+1.334%Extended7,756.2+1.339%Vest7,820.8+2.183%

SP500 on 18 venues

cheapest first. Swap a leg.
Exchangevs long legFunding /8hEveryOIVol 24hMax lev
Injective US500/USDC PERP−1.295%−0.0220%1h$7K$56K52xas long as short
Markets by Kinetiq mkts:US500−0.344%+0.0046%1h$1.6M$8.0M25xas long as short
Variational Omni US500−0.341%+0.0046%8h$17.5M$11.4M—as long as short
SoDEX US500-USD−0.015%+0.0050%1h$1.1M$87K20xas long as short
Lighter US500−0.013%+0.0032%1h$2.8M$24.5M50xas long as short
Bitget SP500USDT−0.008%0.0000%8h$7.2M$730K50xas long as short
Ondo Perps US500-USD.P−0.007%+0.0050%1h$9.6M$6.1M25xas long as short
Paradex US500-USD-PERP−0.002%+0.0050%8h$43K—5xas long as short
Polymarket Perps SP500-USDlong0.000%+0.0050%1h$7.6M$1.5M50x
Bullet US500-USD+0.002%0.0000%1h$14K$108K10xas long as short
Show all 18 venues
Exchangevs long legFunding /8hEveryOIVol 24hMax lev
OKX US500-USDT-SWAP+0.005%0.0000%8h$151K$294K20xas long as short
tradeXYZ xyz:SP500+0.006%+0.0050%1h$435.8M$242.7M50xas long as short
QFEX US500-USD+0.008%+0.0010%1h$11.7M$3.1M30xas long as short
Popdex US500USDTshort+0.008%+0.0048%1h$547K$210K20x
Aftermath Perps US500USD+0.015%+0.0296%1h$458$15K10xas long as short
Pacifica SP500+0.022%+0.0100%1h$267K$163K20xas long as short
Extended SPX500m-USD+0.027%−0.0184%1h$3.2M$13.7M25xas long as short
Vest SPX-USD-PERP+0.860%+0.0046%1h—$3.5M50xas long as short