Funding arb · Price arb /

CASHCAT

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Swap Backtest

Alert: funding

Alert: spread

Funding you earn now, next payment 09:00 UTC0.0000%/8h= 0.0% APRnext payment +$0.00 per $10,000 · paid last 24h −0.085%

Price spread now: SunX against Polymarket Perps+0.240%7-day average −0.035% · you sell dearer than you buy

Net, funding: paid 7d − costs−$309as in the Funding arb table

Net, price: spread back to 7d avg − costs−$227as in the Price arb table

costs, in and out, $10k−$2552.546% of the position

Long on Polymarket Perps Short on SunX

What this pair did over the last

the charts below follow

Funding, last 7 days−0.546%−$55 on $10k

Price spread, last 4 days (all we have)+0.677%+$68 · spread now +0.240%, 7d avg −0.035%

Together, before fees+0.132%+$13 on $10k · with fees, hour by hour

Funding between these two exchanges is close to zero, so right now this pair is about the price spread alone: SunX is 0.276% dearer against Polymarket Perps than usual: you sell high and buy low, +$28 on $10k if it goes back to its 7-day average of −0.035%.

Leg	Exchange	Price	Funding /8h	Each payment	Next in	OI	Vol 24h	Max lev
Long	Polymarket Perps CASHCAT-USD	0.1684	0.0100	pay 0.0013% / 1h	36m 16s	$66K	$1.3M	3x
Short	SunX CASHCAT-USDT	0.1688	0.0100	get 0.0013% / 1h	36m 16s	—	$2.3M	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 +0.240%Rate

Funding earned: $0
Price spread: +0.240% → −0.035%: $27.57
Slippage, 4 orders: −$238.58
Fee Polymarket Perps: 4 bp × 2 orders: −$8
Fee SunX: 4 bp × 2 orders: −$8
Net: −$227
Costs to cover: 2.546%
Break-even: never at this rate

Slippage from Polymarket Perps: live order book, 27 min ago; SunX: live order book, 11 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, 27 min ago	3.60 bp	13.9 bp −$14	17.9 bp −$179	doesn't fit	doesn't fit
Sell SunX live order book, 11 min ago	80.14 bp	106.5 bp −$107	doesn't fit	doesn't fit	doesn't fit

CASHCAT on 22 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
Lighter RH CASHCAT	+0.0096%	1h	0.1690	+0.350%	$350K	$944K	3x	as long as short
Hyperliquid CASHCAT	+0.0100%	1h	0.1692	+0.457%	$46.6M	$20.6M	3x	as long as short
Bybit CASHCATUSDT	+0.0100%	4h	0.1693	+0.552%	$12.7M	$19.2M	10x	as long as short
Gate CASHCAT_USDT	+0.0100%	4h	0.1687	+0.196%	$1.5M	$1.8M	20x	as long as short
KuCoin CASHCATUSDTM	+0.0100%	4h	0.1687	+0.202%	$598K	$2.4M	10x	as long as short
Variational Omni CASHCAT	+0.0100%	4h	0.1686	+0.144%	$1.1M	$1.8M	—	as long as short
ApeX Omni CASHCATUSDT	+0.0100%	1h	0.1691	+0.398%	$77K	$60K	50x	as long as short
Polymarket Perps CASHCAT-USDlong	+0.0100%	1h	0.1684	long leg	$66K	$1.3M	3x
SunX CASHCAT-USDTshort	+0.0100%	1h	0.1688	+0.240%	—	$2.3M	10x
HTX CASHCAT-USDT	+0.0100%	1h	0.1693	+0.541%	$23K	$252K	10x	as long as short

Show all 22 venues

Exchange	Funding /8h	Every	Price	Price vs long leg	OI	Vol 24h	Max lev
SoDEX CASHCAT-USD	+0.0147%	1h	0.1690	+0.368%	$507	$1K	3x	as long as short
MEXC CASHCAT_USDT	+0.0154%	4h	0.1692	+0.475%	$8.6M	$533K	20x	as long as short
edgeX CASHCATUSDC	+0.0304%	4h	0.1691	+0.403%	$51K	$168K	5x	as long as short
Lighter CASHCAT	+0.0472%	1h	0.1690	+0.350%	$1.1M	$1.7M	3x	as long as short
Extended CASHCAT-USD	+0.0480%	1h	0.1689	+0.286%	$242K	$883K	5x	as long as short
BingX CASHCAT-USDT	+0.0484%	4h	0.1690	+0.356%	—	$1.1M	—	as long as short
OKX CASHCAT-USDT-SWAP	+0.0530%	4h	0.1692	+0.475%	$1.4M	$12.9M	20x	as long as short
BloFin CASHCAT-USDT	+0.0780%	4h	0.1690	+0.356%	$52K	$599K	20x	as long as short
Nado CASHCAT-PERP	+0.1589%	1h	0.1684	0.000%	$250K	$204K	5x	as long as short
Arcus CASHCAT-USD	+0.3849%	1h	0.1688	+0.216%	$104K	$313K	5x	as long as short
Aster CASHCATUSDT	+0.4265%	1h	0.1686	+0.143%	$547K	$1.1M	10x	as long as short
Injective CASHCAT/USDC PERP	+0.5000%	1h	0.1712	+1.663%	$8K	$18K	5.5x	as long as short