Funding arb · Price arb /

CASHCAT

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Swap Backtest

Alert: funding

Alert: spread

Funding you earn now, next payment 03:00 UTC0.0000%/8h= 0.0% APRpaid last 24h +0.078%

Price spread now: Polymarket Perps against KuCoin−0.062%7-day average +0.177% · you buy dearer than you sell

Net, funding: paid 7d − costs−$152as in the Funding arb table

Net, price: spread back to 7d avg − costs−$225as in the Price arb table

costs, in and out, $10k−$2012.006% 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+0.490%+$49 on $10k

Price spread, last 4 days (all we have)+1.796%+$180 · spread now −0.062%, 7d avg +0.177%

Together, before fees+2.285%+$229 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: Polymarket Perps is 0.239% cheaper against KuCoin than usual: you would sell low and buy high, −$24 on $10k if it goes back to its 7-day average of +0.177%.

Leg	Exchange	Price	Funding /8h	Each payment	Next in	OI	Vol 24h	Max lev
Long	KuCoin CASHCATUSDTM	0.1620	0.0100	pay 0.0050% / 4h	1h 49m	$542K	$2.3M	10x
Short	Polymarket Perps CASHCAT-USD	0.1619	0.0100	get 0.0013% / 1h	49m 54s	$65K	$1.2M	3x

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 −0.062%Rate

Funding earned: $0
Price spread: −0.062% → +0.177%: −$23.9
Slippage, 4 orders: −$180.64
Fee KuCoin: 6 bp × 2 orders: −$12
Fee Polymarket Perps: 4 bp × 2 orders: −$8
Net: −$224.55
Costs to cover: 2.006%
Break-even: never at this rate

Slippage from KuCoin: live order book, 2 min ago; Polymarket Perps: live order book, 3 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, 2 min ago	8.61 bp	82.2 bp −$82	doesn't fit	doesn't fit	doesn't fit
Sell Polymarket Perps live order book, 3 min ago	8.32 bp	17.7 bp −$18	19.0 bp −$190	doesn't fit	doesn't fit

CASHCAT on 21 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 CASHCAT	+0.0096%	1h	0.1620	+0.025%	$1.2M	$1.6M	3x	as long as short
Lighter RH CASHCAT	+0.0096%	1h	0.1620	+0.037%	$316K	$820K	3x	as long as short
Nado CASHCAT-PERP	+0.0100%	1h	0.1618	−0.111%	$242K	$185K	5x	as long as short
Hyperliquid CASHCAT	+0.0100%	1h	0.1618	−0.080%	$44.1M	$19.2M	3x	as long as short
Arcus CASHCAT-USD	+0.0100%	1h	0.1624	+0.242%	$112K	$218K	5x	as long as short
Gate CASHCAT_USDT	+0.0100%	4h	0.1618	−0.123%	$1.3M	$1.9M	20x	as long as short
KuCoin CASHCATUSDTMlong	+0.0100%	4h	0.1620	long leg	$542K	$2.3M	10x
Variational Omni CASHCAT	+0.0100%	4h	0.1626	+0.388%	$1.2M	$1.6M	—	as long as short
Polymarket Perps CASHCAT-USDshort	+0.0100%	1h	0.1619	−0.062%	$65K	$1.2M	3x
SunX CASHCAT-USDT	+0.0100%	1h	0.1619	−0.057%	—	$2.4M	10x	as long as short

Show all 21 venues

Exchange	Funding /8h	Every	Price	Price vs long leg	OI	Vol 24h	Max lev
SoDEX CASHCAT-USD	+0.0100%	1h	0.1617	−0.161%	$485	$1K	3x	as long as short
HTX CASHCAT-USDT	+0.0100%	1h	0.1628	+0.534%	$18K	$352K	10x	as long as short
Extended CASHCAT-USD	+0.0104%	1h	0.1619	−0.063%	$97K	$489K	5x	as long as short
ApeX Omni CASHCATUSDT	+0.0318%	1h	0.1624	+0.272%	$74K	$63K	50x	as long as short
OKX CASHCAT-USDT-SWAP	+0.0459%	4h	0.1623	+0.198%	$1.3M	$10.3M	20x	as long as short
Aster CASHCATUSDT	+0.0543%	1h	0.1619	−0.030%	$542K	$1.0M	10x	as long as short
BingX CASHCAT-USDT	+0.0895%	4h	0.1621	+0.074%	—	$1.0M	—	as long as short
Bybit CASHCATUSDT	+0.0919%	4h	0.1622	+0.123%	$12.1M	$17.9M	10x	as long as short
MEXC CASHCAT_USDT	+0.0936%	4h	0.1622	+0.123%	$8.0M	$491K	20x	as long as short
edgeX CASHCATUSDC	+0.1367%	4h	0.1624	+0.288%	$49K	$170K	5x	as long as short
Injective CASHCAT/USDC PERP	+0.5000%	1h	0.1641	+1.309%	$8K	$18K	5.5x	as long as short