data as of
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Price arb /

RKLB

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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−$111
spread now+0.046%7d average+0.048%fees + slippage, in and out−$111spread needed1.109%
Long on Polymarket PerpsShort on Phemex
LegExchangePriceFunding /8hEach paymentNext inOIVol 24hMax lev
LongPolymarket Perps RKLB-USD69.5380.0050pay 0.0006% / 1h22m 38s$250K$175K10x
ShortPhemex RKLBUSDT69.5700get 0.0000% / 8h22m 38s$2.1M$529K10x

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
$4.6
Funding while held
−$1.5
Slippage, 4 orders
−$90.89
Fee Polymarket Perps: 4 bp × 2 orders
−$8
Fee Phemex: 6 bp × 2 orders
−$12
Net
−$107.79
Spread needed to break even
1.109%
Slippage from Polymarket Perps: live order book, 26 min ago; Phemex: live order book, 2 min ago.

Cost of waiting

funding view
Funding /8h
−0.0050%
Per $10,000 a day
−$1.50
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, 26 min ago1.80 bp8.2 bp −$89.0 bp −$9030.1 bp −$3,009doesn't fit
Sell Phemex live order book, 2 min ago3.60 bp43.6 bp −$44doesn't fitdoesn't fitdoesn't fit

RKLB price on every exchange

against the cheapest. Click to use as the short leg.
Injective69.170cheapestHTX69.510+0.492%QFEX69.520+0.506%KuCoin69.520+0.506%BloFin69.520+0.506%SunX69.530+0.520%Variational Omni69.534+0.526%
Polymarket Perps69.538+0.532%
ApeX Omni69.540+0.535%Aevo69.549+0.548%Aster69.565+0.571%
Phemex69.570+0.578%
Extended69.593+0.612%tradeXYZ69.608+0.633%Bitget69.610+0.636%Bybit69.620+0.651%Gate69.620+0.651%Binance69.627+0.660%edgeX69.635+0.672%OKX69.640+0.679%Vest69.650+0.694%Lighter69.800+0.911%

RKLB on 22 venues

cheapest first. Swap a leg.
Exchangevs long legFunding /8hEveryOIVol 24hMax lev
Injective RKLB/USDC PERP−0.529%+0.0033%1h$30K$62K12xas long as short
HTX RKLB-USDT−0.040%0.0000%8h$10K$24K20xas long as short
QFEX RKLB-USD−0.026%+0.0021%1h$1.1M$1.2M10xas long as short
KuCoin RKLBUSDTM−0.026%+0.0100%8h$1.2M$112K20xas long as short
BloFin RKLB-USDT−0.026%+0.0043%8h$250K$228K20xas long as short
SunX RKLB-USDT−0.012%0.0000%8h$1K$6.2M10xas long as short
Variational Omni RKLB−0.006%0.0000%8h$192K$344K—as long as short
Polymarket Perps RKLB-USDlong0.000%+0.0050%1h$250K$175K10x
ApeX Omni RKLBUSDT+0.003%+0.0100%1h$41K$139K50xas long as short
Aevo RKLB-PERP+0.015%+0.0104%1h——10xas long as short
Show all 22 venues
Exchangevs long legFunding /8hEveryOIVol 24hMax lev
Aster RKLBUSDT+0.039%0.0000%8h$18K$41K20xas long as short
Phemex RKLBUSDTshort+0.046%0.0000%8h$2.1M$529K10x
Extended RKLB-USD+0.080%0.0000%1h$12K$169K10xas long as short
tradeXYZ xyz:RKLB+0.101%+0.0068%1h$12.1M$1.9M10xas long as short
Bitget RKLBUSDT+0.104%+0.0200%8h$4.7M$3.6M20xas long as short
Bybit RKLBUSDT+0.118%0.0000%8h$2.5M$1.4M25xas long as short
Gate RKLB_USDT+0.118%0.0000%8h$3.8M$14.8M75xas long as short
Binance RKLBUSDT+0.127%0.0000%8h$11.2M$31.2M20xas long as short
edgeX RKLBUSDC+0.139%+0.0369%4h$41K$250K10xas long as short
OKX RKLB-USDT-SWAP+0.147%+0.0210%8h$4.2M$4.2M20xas long as short
Vest RKLB-USD-PERP+0.161%+0.0046%1h—$279K25xas long as short
Lighter RKLB+0.377%+0.0584%1h$123K$42K10xas long as short