data as of
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Funding arb /

SP500

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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.

Funding spread now, next payment 16:00 UTC−0.0018%/8h
next payment, per $10,000−$0.02paid, last 24h−0.005%paid, last 7 days−0.085%to open and close $10k−$16
Long on Polymarket PerpsShort on Extended
LegExchangePriceFunding /8hEach paymentNext inOIVol 24hMax lev
LongPolymarket Perps SP500-USD7,728.60.0050pay 0.0006% / 1h26m 34s$7.6M$1.7M50x
ShortExtended SPX500m-USD7,730.80.0032get 0.0004% / 1h26m 34s$3.4M$13.3M25x

Funding history

latest
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Funding on every exchange

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latest

Profit calculator

Funding earned
−$3.78
Slippage, 4 orders
−$3.5
Fee Polymarket Perps: 4 bp × 2 orders
−$8
Fee Extended: 2.5 bp × 2 orders
−$5
Net
−$20.28
Break-even
never at this rate
Slippage from Polymarket Perps: live order book, 4 min ago; Extended: live order book, 4 min ago.

Price risk

price view
Price gap now
+0.028%
Avg gap 7d
−0.013%
A gap far from its average can cost days of funding.

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

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 bp4.1 bp −$45.2 bp −$525.9 bp −$58712.6 bp −$6,284
Sell Extended live order book, 4 min ago1.04 bp3.5 bp −$46.3 bp −$6319.3 bp −$1,927doesn't fit

SP500 on 18 venues

lowest funding first. Swap a leg.
ExchangeFunding /8hEveryOIVol 24hMax lev
Injective US500/USDC PERP−0.0220%1h$6K$125K52xas long as short
OKX US500-USDT-SWAP0.0000%8h$150K$286K20xas long as short
Bitget SP500USDT0.0000%8h$7.2M$720K50xas long as short
Bullet US500-USD0.0000%1h$13K$108K10xas long as short
QFEX US500-USD+0.0015%1h$11.7M$3.0M30xas long as short
Lighter US500+0.0032%1h$3.5M$19.8M50xas long as short
Extended SPX500m-USDshort+0.0032%1h$3.4M$13.3M25x
Markets by Kinetiq mkts:US500+0.0046%1h$1.8M$7.1M25xas long as short
Vest SPX-USD-PERP+0.0046%1h—$3.1M50xas long as short
Popdex US500USDT+0.0048%1h$564K$192K20xas long as short
Show all 18 venues
ExchangeFunding /8hEveryOIVol 24hMax lev
Paradex US500-USD-PERP+0.0050%8h$42K—5xas long as short
tradeXYZ xyz:SP500+0.0050%1h$430.2M$220.4M50xas long as short
Polymarket Perps SP500-USDlong+0.0050%1h$7.6M$1.7M50x
SoDEX US500-USD+0.0050%1h$1.0M$46K20xas long as short
Ondo Perps US500-USD.P+0.0050%1h$9.6M$5.5M25xas long as short
Pacifica SP500+0.0100%1h$268K$126K20xas long as short
Variational Omni US500+0.0132%8h$17.4M$11.2M—as long as short
Aftermath Perps US500USD+0.0407%1h$488$13K10xas long as short