Funding arb · Price arb /

RKLB

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Swap Backtest

Alert: funding

Alert: spread

Funding you earn now, next payment 00:00 UTC−0.0050%/8h= −5.5% APRpaid last 24h −0.020%

Price spread now: Phemex against Polymarket Perps+0.154%7-day average +0.048% · you sell dearer than you buy

Net, funding: paid 7d − costs−$123as in the Funding arb table

Net, price: spread back to 7d avg − costs−$91as in the Price arb table

costs, in and out, $10k−$1021.017% of the position

Long on Polymarket Perps Short on Phemex

What this pair did over the last

the charts below follow

Funding, last 7 days−0.211%−$21 on $10k

Price spread, last 3 days (all we have)−0.123%−$12 · spread now +0.154%, 7d avg +0.048%

Together, before fees−0.334%−$33 on $10k · with fees, hour by hour

The price spread pays, funding is against you. Phemex is 0.106% dearer against Polymarket Perps than usual: you sell high and buy low (spread +0.154% now, against its 7-day average of +0.048%): +$11 on $10k if it goes back. Holding the pair costs −$2 a day in funding at the current rate, which eats that in about 7.1 days. At the pace of the last 7 days (−0.211% in total) that is about 3.5 days.

Leg	Exchange	Price	Funding /8h	Each payment	Next in	OI	Vol 24h	Max lev
Long	Polymarket Perps RKLB-USD	70.891	0.0050	pay 0.0006% / 1h	17m 37s	$270K	$205K	10x
Short	Phemex RKLBUSDT	71.000	0	get 0.0000% / 8h	17m 37s	$2.0M	$774K	10x

Funding history

latest

Range statsloading…

Price spread between the two exchanges

Phemex against Polymarket Perps. Falling: the short leg gains. Rising: it loses.

latest

Price spreadloading…

Funding on every exchange

click an exchange to add or hide it

latest

How often the price spread is this wide · share of time at each level, last 7D show

Profit calculator

Position, each leg$Hold fordaysFee Polymarket PerpsbpFee PhemexbpOrdersPrice spread, now +0.154%Rate

Funding earned: −$10.5
Price spread: +0.154% → +0.048%: $10.6
Slippage, 4 orders: −$81.67
Fee Polymarket Perps: 4 bp × 2 orders: −$8
Fee Phemex: 6 bp × 2 orders: −$12
Net: −$101.57
Costs to cover: 1.017%
Break-even: never at this rate

Slippage from Polymarket Perps: live order book, 59 min ago; Phemex: live order book, 6 min ago.

Cost to enter

taker fee + slippage from the mid, one side; closing costs about the same again

Leg	Half-spread	$10k	$100k	$1M	$5M
Buy Polymarket Perps live order book, 59 min ago	2.35 bp	7.5 bp −$8	7.8 bp −$78	14.3 bp −$1,429	doesn't fit
Sell Phemex live order book, 6 min ago	2.11 bp	53.5 bp −$53	doesn't fit	doesn't fit	doesn't fit

RKLB on 23 venues

lowest funding first. Swap a leg: a good short leg pays more funding and is priced higher.

Exchange	Funding /8h	Every	Price	Price vs long leg	OI	Vol 24h	Max lev
edgeX RKLBUSDC	−0.0340%	4h	70.949	+0.082%	$42K	$256K	10x	as long as short
KuCoin RKLBUSDTM	−0.0131%	8h	70.950	+0.083%	$1.2M	$125K	20x	as long as short
Aster RKLBUSDT	0.0000%	8h	70.904	+0.018%	$25K	$53K	20x	as long as short
Extended RKLB-USD	0.0000%	1h	70.977	+0.121%	$12K	$170K	10x	as long as short
Bybit RKLBUSDT	0.0000%	8h	71.020	+0.182%	$2.5M	$1.8M	25x	as long as short
Gate RKLB_USDT	0.0000%	8h	70.980	+0.126%	$3.9M	$15.1M	75x	as long as short
Bitget RKLBUSDT	0.0000%	8h	71.030	+0.196%	$4.5M	$4.9M	20x	as long as short
Variational Omni RKLB	0.0000%	8h	71.015	+0.175%	$241K	$386K	—	as long as short
GRVT RKLB_USDT_Perp	0.0000%	8h	70.991	+0.140%	$6K	$141K	10x	as long as short
SunX RKLB-USDT	0.0000%	8h	70.980	+0.126%	$2K	$6.4M	10x	as long as short

Show all 23 venues

Exchange	Funding /8h	Every	Price	Price vs long leg	OI	Vol 24h	Max lev
HTX RKLB-USDT	0.0000%	8h	70.980	+0.126%	$10K	$25K	20x	as long as short
Phemex RKLBUSDTshort	0.0000%	8h	71.000	+0.154%	$2.0M	$774K	10x
Binance RKLBUSDT	+0.0004%	8h	71.015	+0.175%	$11.1M	$37.0M	20x	as long as short
QFEX RKLB-USD	+0.0020%	1h	70.980	+0.126%	$1.2M	$1.7M	10x	as long as short
Lighter RKLB	+0.0032%	1h	71.120	+0.323%	$125K	$50K	10x	as long as short
Injective RKLB/USDC PERP	+0.0033%	1h	69.710	−1.666%	$30K	$6K	12x	as long as short
tradeXYZ xyz:RKLB	+0.0050%	1h	71.003	+0.158%	$11.9M	$2.8M	10x	as long as short
Polymarket Perps RKLB-USDlong	+0.0050%	1h	70.891	long leg	$270K	$205K	10x
Vest RKLB-USD-PERP	+0.0061%	1h	71.130	+0.337%	—	$303K	25x	as long as short
ApeX Omni RKLBUSDT	+0.0100%	1h	70.910	+0.027%	$44K	$133K	50x	as long as short
OKX RKLB-USDT-SWAP	+0.0102%	8h	71.000	+0.154%	$4.1M	$5.0M	20x	as long as short
Aevo RKLB-PERP	+0.0104%	1h	70.986	+0.134%	—	—	10x	as long as short
BloFin RKLB-USDT	+0.0120%	8h	71.030	+0.196%	$235K	$306K	20x	as long as short