Funding arb · Price arb /

RKLB

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Swap Backtest

Alert: funding

Alert: spread

Funding you earn now, next payment 01:00 UTC+0.0226%/8h= +24.7% APRpaid last 24h +0.005%

Price spread now: Polymarket Perps against KuCoin+0.051%7-day average +0.006% · you sell dearer than you buy

Net, funding: paid 7d − costs−$414as in the Funding arb table

Net, price: spread back to 7d avg − costs−$411as in the Price arb table

costs, in and out, $10k−$4154.153% of the position

Long on KuCoin Short on Polymarket Perps

What this pair did over the last

the charts below follow

Funding, last 7 days+0.017%+$2 on $10k

Price spread, last 3 days (all we have)+0.053%+$5 · spread now +0.051%, 7d avg +0.006%

Together, before fees+0.069%+$7 on $10k · with fees, hour by hour

Both sides work for this trade now. Funding pays +$7 a day on $10k at the current rate, and Polymarket Perps is 0.044% dearer against KuCoin than usual: you sell high and buy low: +$4 more if the spread goes back to its 7-day average of +0.006%.

The current funding rate is far above what this pair has been paying: over the last 7 days it paid 0.017% in total (about 0.9% a year). A funding rate is set anew for every payment. In the chart: green and red are payments made, yellow is the current rate, not paid yet.

Leg	Exchange	Price	Funding /8h	Each payment	Next in	OI	Vol 24h	Max lev
Long	KuCoin RKLBUSDTM	71.150	−0.0176	get 0.0176% / 8h	6h 59m	$1.2M	$128K	20x
Short	Polymarket Perps RKLB-USD	71.186	0.0050	get 0.0006% / 1h	59m 55s	$324K	$1.7M	10x

Funding history

latest

Range statsloading…

Price spread between the two exchanges

Polymarket Perps against KuCoin. 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 KuCoinbpFee Polymarket PerpsbpOrdersPrice spread, now +0.051%Rate

Funding earned: $47.46
Price spread: +0.051% → +0.006%: $4.42
Slippage, 4 orders: −$395.35
Fee KuCoin: 6 bp × 2 orders: −$12
Fee Polymarket Perps: 4 bp × 2 orders: −$8
Net: −$363.47
Costs to cover: 4.153%
Break-even: 60.6 days

Slippage from KuCoin: live order book, 5 min ago; Polymarket Perps: live order book, 4 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 KuCoin live order book, 5 min ago	7.71 bp	189.7 bp −$190	doesn't fit	doesn't fit	doesn't fit
Sell Polymarket Perps live order book, 4 min ago	2.60 bp	6.6 bp −$7	7.0 bp −$70	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
KuCoin RKLBUSDTMlong	−0.0176%	8h	71.150	long leg	$1.2M	$128K	20x
Aster RKLBUSDT	0.0000%	8h	71.137	−0.019%	$25K	$53K	20x	as long as short
Extended RKLB-USD	0.0000%	1h	71.150	0.000%	$14K	$194K	10x	as long as short
Binance RKLBUSDT	0.0000%	8h	71.176	+0.037%	$11.1M	$38.2M	20x	as long as short
Bybit RKLBUSDT	0.0000%	8h	71.200	+0.070%	$2.4M	$1.9M	25x	as long as short
OKX RKLB-USDT-SWAP	0.0000%	8h	71.200	+0.070%	$4.0M	$5.3M	20x	as long as short
Gate RKLB_USDT	0.0000%	8h	71.210	+0.084%	$4.8M	$16.4M	75x	as long as short
Bitget RKLBUSDT	0.0000%	8h	71.200	+0.070%	$4.5M	$5.0M	20x	as long as short
Variational Omni RKLB	0.0000%	8h	71.163	+0.018%	$265K	$323K	—	as long as short
GRVT RKLB_USDT_Perp	0.0000%	8h	71.328	+0.251%	$6K	$137K	10x	as long as short

Show all 23 venues

Exchange	Funding /8h	Every	Price	Price vs long leg	OI	Vol 24h	Max lev
SunX RKLB-USDT	0.0000%	8h	71.190	+0.056%	$2K	$6.2M	10x	as long as short
HTX RKLB-USDT	0.0000%	8h	71.130	−0.028%	$10K	$25K	20x	as long as short
Phemex RKLBUSDT	0.0000%	8h	71.200	+0.070%	$2.0M	$797K	10x	as long as short
QFEX RKLB-USD	+0.0030%	1h	71.190	+0.056%	$1.2M	$1.6M	10x	as long as short
Lighter RKLB	+0.0032%	1h	71.320	+0.239%	$126K	$44K	10x	as long as short
Injective RKLB/USDC PERP	+0.0033%	1h	69.710	−2.024%	$30K	$6K	12x	as long as short
tradeXYZ xyz:RKLB	+0.0050%	1h	71.168	+0.025%	$12.0M	$3.1M	10x	as long as short
Polymarket Perps RKLB-USDshort	+0.0050%	1h	71.186	+0.051%	$324K	$1.7M	10x
Vest RKLB-USD-PERP	+0.0061%	1h	71.320	+0.239%	—	$234K	25x	as long as short
ApeX Omni RKLBUSDT	+0.0100%	1h	71.280	+0.183%	$44K	$134K	50x	as long as short
Aevo RKLB-PERP	+0.0104%	1h	71.174	+0.034%	—	—	10x	as long as short
BloFin RKLB-USDT	+0.0120%	8h	71.160	+0.014%	$233K	$308K	20x	as long as short
edgeX RKLBUSDC	+0.0567%	4h	71.337	+0.263%	$42K	$258K	10x	as long as short