Funding arb · Price arb /

CASHCAT

all CASHCAT markets

Swap Backtest

Alert: funding

Alert: spread

Funding you earn now, next payment 06:00 UTC−0.0395%/8h= −43.3% APRpaid last 24h −0.081%

Price spread now: MEXC against Polymarket Perps+0.102%7-day average +0.020% · you sell dearer than you buy

Net, funding: paid 7d − costs−$125as in the Funding arb table

Net, price: spread back to 7d avg − costs−$69as in the Price arb table

costs, in and out, $10k−$780.776% of the position

Long on Polymarket Perps Short on MEXC

What this pair did over the last

the charts below follow

Funding, last 7 days−0.471%−$47 on $10k

Price spread, last 7 days+0.011%+$1 · spread now +0.102%, 7d avg +0.020%

Together, before fees−0.460%−$46 on $10k · with fees, hour by hour

The price spread pays, funding is against you. MEXC is 0.082% dearer against Polymarket Perps than usual: you sell high and buy low (spread +0.102% now, against its 7-day average of +0.020%): +$8 on $10k if it goes back. Holding the pair costs −$12 a day in funding at the current rate, which eats that in about 17 hours.

Leg	Exchange	Price	Funding /8h	Each payment	Next in	OI	Vol 24h	Max lev
Long	Polymarket Perps CASHCAT-USD	0.1571	0.0583	pay 0.0073% / 1h	33m 28s	$67K	$1.3M	3x
Short	MEXC CASHCAT_USDT	0.1573	0.0188	get 0.0094% / 4h	2h 33m	$7.8M	$517K	20x

Funding history

latest

Range statsloading…

Price spread between the two exchanges

MEXC 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 MEXCbpOrdersPrice spread, now +0.102%Rate

Funding earned: −$83.03
Price spread: +0.102% → +0.020%: $8.2
Slippage, 4 orders: −$49.57
Fee Polymarket Perps: 4 bp × 2 orders: −$8
Fee MEXC: 10 bp × 2 orders: −$20
Net: −$152.4
Costs to cover: 0.776%
Break-even: never at this rate

Slippage from Polymarket Perps: live order book, 5 min ago; MEXC: 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 Polymarket Perps live order book, 5 min ago	1.92 bp	18.3 bp −$18	18.7 bp −$187	doesn't fit	doesn't fit
Sell MEXC live order book, 4 min ago	3.83 bp	20.0 bp −$20	290.9 bp −$2,909	1291.4 bp −$129.1K	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 CASHCAT	−0.1104%	1h	0.1568	−0.185%	$1.1M	$1.9M	3x	as long as short
Lighter RH CASHCAT	+0.0096%	1h	0.1570	−0.051%	$329K	$935K	3x	as long as short
Hyperliquid CASHCAT	+0.0100%	1h	0.1572	+0.025%	$42.9M	$20.0M	3x	as long as short
Aster CASHCATUSDT	+0.0100%	1h	0.1569	−0.154%	$526K	$1.1M	10x	as long as short
Gate CASHCAT_USDT	+0.0100%	4h	0.1571	−0.025%	$1.4M	$2.0M	20x	as long as short
KuCoin CASHCATUSDTM	+0.0100%	4h	0.1570	−0.070%	$555K	$2.4M	10x	as long as short
Variational Omni CASHCAT	+0.0100%	4h	0.1574	+0.166%	$1.0M	$1.7M	—	as long as short
ApeX Omni CASHCATUSDT	+0.0100%	1h	0.1571	−0.013%	$71K	$64K	50x	as long as short
SunX CASHCAT-USDT	+0.0100%	1h	0.1570	−0.062%	—	$2.4M	10x	as long as short
SoDEX CASHCAT-USD	+0.0100%	1h	0.1571	−0.019%	$471	$1K	3x	as long as short

Show all 22 venues

Exchange	Funding /8h	Every	Price	Price vs long leg	OI	Vol 24h	Max lev
HTX CASHCAT-USDT	+0.0100%	1h	0.1580	+0.561%	$18K	$307K	10x	as long as short
Bybit CASHCATUSDT	+0.0162%	4h	0.1572	+0.083%	$11.7M	$19.0M	10x	as long as short
MEXC CASHCAT_USDTshort	+0.0188%	4h	0.1573	+0.102%	$7.8M	$517K	20x
Nado CASHCAT-PERP	+0.0216%	1h	0.1568	−0.185%	$201K	$191K	5x	as long as short
Extended CASHCAT-USD	+0.0480%	1h	0.1569	−0.139%	$98K	$747K	5x	as long as short
Polymarket Perps CASHCAT-USDlong	+0.0583%	1h	0.1571	long leg	$67K	$1.3M	3x
edgeX CASHCATUSDC	+0.0797%	4h	0.1576	+0.337%	$48K	$169K	5x	as long as short
BingX CASHCAT-USDT	+0.0958%	4h	0.1573	+0.121%	—	$1.0M	—	as long as short
OKX CASHCAT-USDT-SWAP	+0.1018%	4h	0.1571	−0.006%	$1.4M	$11.3M	20x	as long as short
BloFin CASHCAT-USDT	+0.1322%	4h	0.1578	+0.439%	$53K	$524K	20x	as long as short
Arcus CASHCAT-USD	+0.2390%	1h	0.1571	−0.014%	$97K	$270K	5x	as long as short
Injective CASHCAT/USDC PERP	+0.5000%	1h	0.1585	+0.885%	$8K	$18K	5.5x	as long as short