Funding arb · Price arb /

RKLB

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Swap Backtest

Alert: funding

Alert: spread

Funding you earn now, next payment 07:00 UTC−0.0050%/8h= −5.5% APRpaid last 24h −0.015%

Price spread now: SunX against Polymarket Perps+0.067%50s7-day average +0.032% · you sell dearer than you buy

to open and closeno order booka leg has no order-book sample

Long on Polymarket Perps Short on SunX

What this pair did over the last

the charts below follow

Funding, last 7 days−0.174%−$17 on $10k

Price spread, last 4 days (all we have)−0.045%−$4 · spread now +0.067%, 7d avg +0.032%

Together, before fees−0.218%−$22 on $10k · with fees, hour by hour

The price spread pays, funding is against you. SunX is 0.035% dearer against Polymarket Perps than usual: you sell high and buy low (spread +0.067% now, against its 7-day average of +0.032%): +$4 on $10k if it goes back. Holding the pair costs −$2 a day in funding at the current rate, which eats that in about 2.4 days. The two prices were read 50 seconds apart, so part of this spread may be the market moving, not a spread.

Leg	Exchange	Price	Funding /8h	Each payment	Next in	OI	Vol 24h	Max lev
Long	Polymarket Perps RKLB-USD	70.263	0.0050	pay 0.0006% / 1h	28m 20s	$320K	$1.8M	10x
Short	SunX RKLB-USDT	70.310	0	get 0.0000% / 8h	1h 28m	$2K	$6.0M	10x

Funding history

latest

Range statsloading…

Price spread between the two exchanges

SunX 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 SunXbpOrdersPrice spread, now +0.067%Rate

Funding earned: −$10.5
Price spread: +0.067% → +0.032%: $3.53
Slippage, 4 orders: no order book: not counted
Fee Polymarket Perps: 4 bp × 2 orders: −$8
Fee SunX: 4 bp × 2 orders: −$8
Net: −$22.97
Costs to cover: 0.160%
Break-even: never at this rate

Slippage unknown: Polymarket Perps: live order book, 5 min ago; SunX: live order book, 10 min ago. Net counts fees only.

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, 5 min ago	2.28 bp	6.3 bp −$6	7.1 bp −$71	19.9 bp −$1,991	doesn't fit
Sell SunX live order book, 10 min ago	47.76 bp	doesn't fit	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
Bitget RKLBUSDT	−0.0635%	8h	70.330	+0.095%	$4.4M	$5.4M	20x	as long as short
KuCoin RKLBUSDTM	−0.0406%	8h	70.190	−0.104%	$1.2M	$132K	20x	as long as short
Aster RKLBUSDT	0.0000%	8h	70.276	+0.018%	$24K	$49K	20x	as long as short
Extended RKLB-USD	0.0000%	1h	70.307	+0.063%	$13K	$175K	10x	as long as short
Binance RKLBUSDT	0.0000%	8h	70.321	+0.083%	$11.0M	$40.9M	20x	as long as short
Bybit RKLBUSDT	0.0000%	8h	70.280	+0.024%	$2.4M	$2.0M	25x	as long as short
OKX RKLB-USDT-SWAP	0.0000%	8h	70.320	+0.081%	$3.9M	$5.7M	20x	as long as short
Gate RKLB_USDT	0.0000%	8h	70.310	+0.067%	$4.8M	$16.7M	75x	as long as short
Variational Omni RKLB	0.0000%	8h	70.178	−0.121%	$273K	$368K	—	as long as short
GRVT RKLB_USDT_Perp	0.0000%	8h	70.219	−0.062%	$6K	$169K	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-USDTshort	0.0000%	8h	70.310	+0.067%	$2K	$6.0M	10x
HTX RKLB-USDT	0.0000%	8h	70.220	−0.061%	$9K	$27K	20x	as long as short
Phemex RKLBUSDT	0.0000%	8h	70.290	+0.038%	$2.0M	$942K	10x	as long as short
Lighter RKLB	+0.0032%	1h	70.390	+0.181%	$124K	$45K	10x	as long as short
Injective RKLB/USDC PERP	+0.0033%	1h	71.070	+1.149%	$31K	$5K	12x	as long as short
QFEX RKLB-USD	+0.0049%	1h	70.310	+0.067%	$1.2M	$1.7M	10x	as long as short
tradeXYZ xyz:RKLB	+0.0050%	1h	70.267	+0.006%	$11.8M	$3.5M	10x	as long as short
Polymarket Perps RKLB-USDlong	+0.0050%	1h	70.263	long leg	$320K	$1.8M	10x
Vest RKLB-USD-PERP	+0.0051%	1h	70.410	+0.209%	—	$214K	25x	as long as short
ApeX Omni RKLBUSDT	+0.0100%	1h	70.220	−0.061%	$43K	$133K	50x	as long as short
Aevo RKLB-PERP	+0.0104%	1h	70.300	+0.052%	—	—	10x	as long as short
BloFin RKLB-USDT	+0.0120%	8h	70.300	+0.053%	$229K	$311K	20x	as long as short
edgeX RKLBUSDC	+0.0828%	4h	70.178	−0.121%	$41K	$264K	10x	as long as short