Funding arb · Price arb /

CASHCAT

all CASHCAT markets

Swap Backtest

Alert: funding

Alert: spread

Funding you earn now, next payment 03:00 UTC−0.0100%/8h= −11.0% APRpaid last 24h +0.078%

Price spread now: Polymarket Perps against MEXC−0.044%7-day average −0.020% · you buy dearer than you sell

Net, funding: paid 7d − costs−$29as in the Funding arb table

Net, price: spread back to 7d avg − costs−$77as in the Price arb table

costs, in and out, $10k−$750.748% of the position

Long on MEXC Short on Polymarket Perps

What this pair did over the last

the charts below follow

Funding, last 7 days+0.453%+$45 on $10k

Price spread, last 7 days−0.023%−$2 · spread now −0.044%, 7d avg −0.020%

Together, before fees+0.430%+$43 on $10k · with fees, hour by hour

Both sides work against this trade now: funding costs −$3 a day on $10k at the current rate, and Polymarket Perps is 0.024% cheaper against MEXC than usual: you would sell low and buy high (−$2 if the spread goes back to its 7-day average of −0.020%). Swap the legs. Mind the row above: over the last 7 days funding on this pair paid +0.453%, so the current rate has only just turned against you.

Leg	Exchange	Price	Funding /8h	Each payment	Next in	OI	Vol 24h	Max lev
Long	MEXC CASHCAT_USDT	0.1598	0.0312	pay 0.0156% / 4h	1h 01m	$7.9M	$524K	20x
Short	Polymarket Perps CASHCAT-USD	0.1597	0.0212	get 0.0026% / 1h	1m 29s	$66K	$1.3M	3x

Funding history

latest

Range statsloading…

Price spread between the two exchanges

Polymarket Perps against MEXC. 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 MEXCbpFee Polymarket PerpsbpOrdersPrice spread, now −0.044%Rate

Funding earned: −$21.08
Price spread: −0.044% → −0.020%: −$2.41
Slippage, 4 orders: −$46.8
Fee MEXC: 10 bp × 2 orders: −$20
Fee Polymarket Perps: 4 bp × 2 orders: −$8
Net: −$98.3
Costs to cover: 0.748%
Break-even: never at this rate

Slippage from MEXC: live order book, 1 min ago; Polymarket Perps: live order book, 2 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 MEXC live order book, 1 min ago	5.01 bp	20.6 bp −$21	331.0 bp −$3,310	1478.0 bp −$147.8K	doesn't fit
Sell Polymarket Perps live order book, 2 min ago	3.13 bp	17.8 bp −$18	18.3 bp −$183	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
Nado CASHCAT-PERP	+0.0100%	1h	0.1594	−0.247%	$218K	$201K	5x	as long as short
Hyperliquid CASHCAT	+0.0100%	1h	0.1596	−0.156%	$43.7M	$19.8M	3x	as long as short
Arcus CASHCAT-USD	+0.0100%	1h	0.1597	−0.058%	$96K	$239K	5x	as long as short
Gate CASHCAT_USDT	+0.0100%	4h	0.1596	−0.113%	$1.3M	$2.0M	20x	as long as short
KuCoin CASHCATUSDTM	+0.0100%	4h	0.1596	−0.125%	$545K	$2.4M	10x	as long as short
Variational Omni CASHCAT	+0.0100%	4h	0.1582	−1.017%	$1.2M	$1.6M	—	as long as short
ApeX Omni CASHCATUSDT	+0.0100%	1h	0.1595	−0.188%	$72K	$64K	50x	as long as short
SunX CASHCAT-USDT	+0.0100%	1h	0.1596	−0.160%	—	$2.4M	10x	as long as short
SoDEX CASHCAT-USD	+0.0100%	1h	0.1593	−0.300%	$478	$1K	3x	as long as short
HTX CASHCAT-USDT	+0.0100%	1h	0.1601	+0.160%	$18K	$340K	10x	as long as short

Show all 22 venues

Exchange	Funding /8h	Every	Price	Price vs long leg	OI	Vol 24h	Max lev
Lighter RH CASHCAT	+0.0120%	1h	0.1597	−0.056%	$313K	$840K	3x	as long as short
Polymarket Perps CASHCAT-USDshort	+0.0212%	1h	0.1597	−0.044%	$66K	$1.3M	3x
MEXC CASHCAT_USDTlong	+0.0312%	4h	0.1598	long leg	$7.9M	$524K	20x
Bybit CASHCATUSDT	+0.0318%	4h	0.1598	−0.038%	$12.3M	$18.4M	10x	as long as short
Extended CASHCAT-USD	+0.0480%	1h	0.1598	−0.002%	$150K	$562K	5x	as long as short
BingX CASHCAT-USDT	+0.0566%	4h	0.1600	+0.119%	—	$1.0M	—	as long as short
OKX CASHCAT-USDT-SWAP	+0.0630%	4h	0.1599	+0.056%	$1.3M	$10.6M	20x	as long as short
BloFin CASHCAT-USDT	+0.0835%	4h	0.1589	−0.569%	$52K	$469K	20x	as long as short
edgeX CASHCATUSDC	+0.0910%	4h	0.1588	−0.612%	$48K	$170K	5x	as long as short
Lighter CASHCAT	+0.0968%	1h	0.1598	−0.038%	$1.1M	$1.7M	3x	as long as short
Aster CASHCATUSDT	+0.2140%	1h	0.1598	−0.013%	$530K	$1.1M	10x	as long as short
Injective CASHCAT/USDC PERP	+0.5000%	1h	0.1606	+0.494%	$8K	$18K	5.5x	as long as short