data as of
Settings8H · net · $10k
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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−$15
spread now+0.018%7d average−0.013%fees + slippage, in and out−$18spread needed0.182%
Long on Polymarket PerpsShort on Extended
LegExchangePriceFunding /8hEach paymentNext inOIVol 24hMax lev
LongPolymarket Perps SP500-USD7,728.90.0050pay 0.0006% / 1h34m 43s$7.6M$1.7M50x
ShortExtended SPX500m-USD7,730.30.0032get 0.0004% / 1h34m 43s$3.4M$13.3M25x

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
$1.79
Funding while held
−$0.54
Slippage, 4 orders
−$5.22
Fee Polymarket Perps: 4 bp × 2 orders
−$8
Fee Extended: 2.5 bp × 2 orders
−$5
Net
−$16.97
Spread needed to break even
0.182%
Slippage from Polymarket Perps: live order book, 6 min ago; Extended: live order book, 6 min ago.

Cost of waiting

funding view
Funding /8h
−0.0018%
Per $10,000 a day
−$0.54
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, 6 min ago0.06 bp4.3 bp −$45.0 bp −$505.6 bp −$55712.0 bp −$5,985
Sell Extended live order book, 6 min ago0.06 bp2.6 bp −$35.3 bp −$5319.0 bp −$1,901doesn't fit

SP500 price on every exchange

against the cheapest. Click to use as the short leg.
Injective6,930cheapest
Markets by Kinetiq7,699.7+11.107%Variational Omni7,704.3+11.173%Ondo Perps7,726.1+11.488%QFEX7,727.3+11.505%Paradex7,727.4+11.506%Lighter7,727.5+11.508%Aftermath Perps7,727.7+11.510%SoDEX7,727.8+11.512%
Polymarket Perps7,728.9+11.528%
tradeXYZ7,729+11.530%Bullet7,729.7+11.540%Popdex7,729.8+11.541%Pacifica7,729.9+11.543%
Extended7,730.3+11.548%
Bitget7,731+11.558%OKX7,731.3+11.563%Vest7,796.1+12.498%

SP500 on 18 venues

cheapest first. Swap a leg.
Exchangevs long legFunding /8hEveryOIVol 24hMax lev
Injective US500/USDC PERP−10.337%−0.0220%1h$6K$125K52xas long as short
Markets by Kinetiq mkts:US500−0.378%+0.0046%1h$1.7M$7.1M25xas long as short
Variational Omni US500−0.318%+0.0134%8h$17.4M$11.3M—as long as short
Ondo Perps US500-USD.P−0.036%+0.0050%1h$9.6M$5.5M25xas long as short
QFEX US500-USD−0.021%+0.0015%1h$11.7M$3.0M30xas long as short
Paradex US500-USD-PERP−0.020%+0.0050%8h$42K—5xas long as short
Lighter US500−0.018%+0.0032%1h$3.5M$19.7M50xas long as short
Aftermath Perps US500USD−0.016%+0.0409%1h$444$13K10xas long as short
SoDEX US500-USD−0.014%+0.0050%1h$1.0M$46K20xas long as short
Polymarket Perps SP500-USDlong0.000%+0.0050%1h$7.6M$1.7M50x
Show all 18 venues
Exchangevs long legFunding /8hEveryOIVol 24hMax lev
tradeXYZ xyz:SP500+0.001%+0.0050%1h$430.4M$219.1M50xas long as short
Bullet US500-USD+0.010%0.0000%1h$13K$108K10xas long as short
Popdex US500USDT+0.012%+0.0048%1h$564K$192K20xas long as short
Pacifica SP500+0.013%+0.0100%1h$268K$126K20xas long as short
Extended SPX500m-USDshort+0.018%+0.0032%1h$3.4M$13.3M25x
Bitget SP500USDT+0.027%0.0000%8h$7.3M$709K50xas long as short
OKX US500-USDT-SWAP+0.031%0.0000%8h$150K$281K20xas long as short
Vest SPX-USD-PERP+0.870%+0.0046%1h—$2.9M50xas long as short