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−$19
spread now−0.034%7d average+0.013%fees + slippage, in and out−$15spread needed0.147%
Long on ExtendedShort on Polymarket Perps
LegExchangePriceFunding /8hEach paymentNext inOIVol 24hMax lev
LongExtended SPX500m-USD7,763.3−0.0176get 0.0022% / 1h47m 27s$3.2M$14.3M25x
ShortPolymarket Perps SP500-USD7,760.70.0050get 0.0006% / 1h47m 27s$7.6M$1.5M50x

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
−$3.39
Funding while held
$6.78
Slippage, 4 orders
−$1.66
Fee Extended: 2.5 bp × 2 orders
−$5
Fee Polymarket Perps: 4 bp × 2 orders
−$8
Net
−$11.27
Spread needed to break even
0.147%
Slippage from Extended: live order book, 3 min ago; Polymarket Perps: live order book, 3 min ago.

Cost of waiting

funding view
Funding /8h
+0.0226%
Per $10,000 a day
+$6.78
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 Extended live order book, 3 min ago0.45 bp3.0 bp −$33.0 bp −$3016.1 bp −$1,614doesn't fit
Sell Polymarket Perps live order book, 3 min ago0.06 bp4.2 bp −$44.2 bp −$424.9 bp −$48811.6 bp −$5,792

SP500 price on every exchange

against the cheapest. Click to use as the short leg.
Injective6,958cheapest
Markets by Kinetiq7,732.6+11.133%Variational Omni7,736.2+11.185%Bitget7,754+11.440%OKX7,758.4+11.503%Aftermath Perps7,758.8+11.510%Lighter7,760+11.526%Paradex7,760.3+11.530%QFEX7,760.4+11.532%
Polymarket Perps7,760.7+11.536%
Pacifica7,760.8+11.537%SoDEX7,760.8+11.538%Ondo Perps7,760.8+11.538%tradeXYZ7,761.6+11.549%Bullet7,761.6+11.550%Popdex7,762.4+11.561%
Extended7,763.3+11.574%
Vest7,827.5+12.496%

SP500 on 18 venues

cheapest first. Swap a leg.
Exchangevs long legFunding /8hEveryOIVol 24hMax lev
Injective US500/USDC PERP−10.374%−0.0220%1h$6K$10152xas long as short
Markets by Kinetiq mkts:US500−0.396%+0.0046%1h$1.5M$8.0M25xas long as short
Variational Omni US500−0.349%0.0000%8h$17.6M$11.5M—as long as short
Bitget SP500USDT−0.120%0.0000%8h$7.2M$731K50xas long as short
OKX US500-USDT-SWAP−0.064%0.0000%8h$151K$295K20xas long as short
Aftermath Perps US500USD−0.058%+0.0341%1h$458$16K10xas long as short
Lighter US500−0.043%+0.0032%1h$2.8M$25.3M50xas long as short
Paradex US500-USD-PERP−0.040%+0.0050%8h$43K—5xas long as short
QFEX US500-USD−0.038%+0.0008%1h$11.7M$3.1M30xas long as short
Polymarket Perps SP500-USDshort−0.034%+0.0050%1h$7.6M$1.5M50x
Show all 18 venues
Exchangevs long legFunding /8hEveryOIVol 24hMax lev
Pacifica SP500−0.033%+0.0100%1h$267K$163K20xas long as short
SoDEX US500-USD−0.033%+0.0050%1h$1.1M$87K20xas long as short
Ondo Perps US500-USD.P−0.032%+0.0050%1h$9.6M$6.2M25xas long as short
tradeXYZ xyz:SP500−0.022%+0.0050%1h$434.5M$248.2M50xas long as short
Bullet US500-USD−0.022%0.0000%1h$12K$109K10xas long as short
Popdex US500USDT−0.012%+0.0048%1h$547K$212K20xas long as short
Extended SPX500m-USDlong0.000%−0.0176%1h$3.2M$14.3M25x
Vest SPX-USD-PERP+0.827%+0.0046%1h—$3.5M50xas long as short