Funding arb · Price arb /

CASHCAT

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Swap Backtest

Alert: funding

Alert: spread

Funding you earn now, next payment 08:00 UTC−0.0325%/8h= −35.5% APRpaid last 24h −0.033%

Price spread now: Polymarket Perps against BloFin+0.101%45s7-day average −0.006% · you sell dearer than you buy

Net, funding: paid 7d − costs−$73as in the Funding arb table

Net, price: spread back to 7d avg − costs—prices read too far apart to compare

costs, in and out, $10k−$770.765% of the position

Long on BloFin Short on Polymarket Perps

What this pair did over the last

the charts below follow

Funding, last 7 days+0.037%+$4 on $10k

Price spread, last 4 days (all we have)+0.015%+$2 · spread now +0.101%, 7d avg −0.006%

Together, before fees+0.052%+$5 on $10k · with fees, hour by hour

The price spread pays, funding is against you. Polymarket Perps is 0.108% dearer against BloFin than usual: you sell high and buy low (spread +0.101% now, against its 7-day average of −0.006%): +$11 on $10k if it goes back. Holding the pair costs −$10 a day in funding at the current rate, which eats that in about 27 hours. The two prices were read 45 seconds apart, so part of this spread may be the market moving, not a spread.

The current funding rate is far above what this pair has been paying: over the last 7 days it paid 0.037% in total (about 1.9% a year). A funding rate is set anew for every payment. In the chart: green and red are payments made, yellow is the current rate, not paid yet.

Leg	Exchange	Price	Funding /8h	Each payment	Next in	OI	Vol 24h	Max lev
Long	BloFin CASHCAT-USDT	0.1677	0.0903	pay 0.0451% / 4h	9m 49s	$52K	$584K	20x
Short	Polymarket Perps CASHCAT-USD	0.1679	0.0578	get 0.0072% / 1h	9m 49s	$66K	$1.4M	3x

Funding history

latest

Range statsloading…

Price spread between the two exchanges

Polymarket Perps against BloFin. Falling: the short leg gains. Rising: it loses.

latest

Price spreadloading…

Funding on every exchange

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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 BloFinbpFee Polymarket PerpsbpOrdersPrice spread, now +0.101%Rate

Funding earned: −$68.16
Price spread: +0.101% → −0.006%: $10.78
Slippage, 4 orders: −$56.54
Fee BloFin: 6 bp × 2 orders: −$12
Fee Polymarket Perps: 4 bp × 2 orders: −$8
Net: −$133.91
Costs to cover: 0.765%
Break-even: never at this rate

Slippage from BloFin: live order book, 6 min ago; Polymarket Perps: 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 BloFin live order book, 6 min ago	8.95 bp	28.6 bp −$29	60.2 bp −$602	doesn't fit	doesn't fit
Sell Polymarket Perps live order book, 4 min ago	7.47 bp	16.1 bp −$16	16.8 bp −$168	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 CASHCAT	+0.0096%	1h	0.1680	+0.179%	$1.1M	$1.8M	3x	as long as short
Lighter RH CASHCAT	+0.0096%	1h	0.1681	+0.256%	$350K	$974K	3x	as long as short
Hyperliquid CASHCAT	+0.0100%	1h	0.1680	+0.203%	$46.3M	$20.5M	3x	as long as short
Bybit CASHCATUSDT	+0.0100%	4h	0.1682	+0.298%	$12.6M	$19.2M	10x	as long as short
Arcus CASHCAT-USD	+0.0100%	1h	0.1674	−0.155%	$103K	$316K	5x	as long as short
Gate CASHCAT_USDT	+0.0100%	4h	0.1680	+0.203%	$1.5M	$2.0M	20x	as long as short
MEXC CASHCAT_USDT	+0.0100%	4h	0.1684	+0.400%	$8.5M	$540K	20x	as long as short
KuCoin CASHCATUSDTM	+0.0100%	4h	0.1680	+0.197%	$601K	$2.4M	10x	as long as short
Variational Omni CASHCAT	+0.0100%	4h	0.1676	−0.030%	$1.1M	$1.8M	—	as long as short
ApeX Omni CASHCATUSDT	+0.0100%	1h	0.1677	+0.024%	$76K	$60K	50x	as long as short

Show all 22 venues

Exchange	Funding /8h	Every	Price	Price vs long leg	OI	Vol 24h	Max lev
SunX CASHCAT-USDT	+0.0100%	1h	0.1684	+0.442%	—	$2.4M	10x	as long as short
HTX CASHCAT-USDT	+0.0100%	1h	0.1677	+0.027%	$22K	$260K	10x	as long as short
SoDEX CASHCAT-USD	+0.0276%	1h	0.1681	+0.268%	$504	$1K	3x	as long as short
Extended CASHCAT-USD	+0.0480%	1h	0.1682	+0.284%	$241K	$887K	5x	as long as short
Polymarket Perps CASHCAT-USDshort	+0.0578%	1h	0.1679	+0.101%	$66K	$1.4M	3x
BingX CASHCAT-USDT	+0.0630%	4h	0.1683	+0.358%	—	$1.1M	—	as long as short
OKX CASHCAT-USDT-SWAP	+0.0661%	4h	0.1681	+0.239%	$1.4M	$12.8M	20x	as long as short
edgeX CASHCATUSDC	+0.0790%	4h	0.1676	−0.075%	$51K	$169K	5x	as long as short
BloFin CASHCAT-USDTlong	+0.0903%	4h	0.1677	long leg	$52K	$584K	20x
Nado CASHCAT-PERP	+0.1422%	1h	0.1680	+0.158%	$248K	$206K	5x	as long as short
Aster CASHCATUSDT	+0.3469%	1h	0.1677	+0.012%	$561K	$1.1M	10x	as long as short
Injective CASHCAT/USDC PERP	+0.5000%	1h	0.1749	+4.293%	$9K	$18K	5.5x	as long as short