Funding arb · Price arb /

CASHCAT

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Swap Backtest

Alert: funding

Alert: spread

Funding you earn now, next payment 11:00 UTC+0.0599%/8h= +65.5% APRpaid last 24h +0.061%

Price spread now: BloFin against Polymarket Perps+0.464%105s7-day average +0.014% · you sell dearer than you buy

Net, funding: paid 7d − costs−$86as 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−$850.846% of the position

Long on Polymarket Perps Short on BloFin

What this pair did over the last

the charts below follow

Funding, last 7 days−0.017%−$2 on $10k

Price spread, last 4 days (all we have)−0.509%−$51 · spread now +0.464%, 7d avg +0.014%

Together, before fees−0.526%−$53 on $10k · with fees, hour by hour

Both sides work for this trade now. Funding pays +$18 a day on $10k at the current rate, and BloFin is 0.449% dearer against Polymarket Perps than usual: you sell high and buy low: +$45 more if the spread goes back to its 7-day average of +0.014%. The two prices were read 105 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 -0.017% in total (about -0.9% a year). A funding rate is set anew for every payment. In the chart: green and red are payments made; yellow are the hours one leg has not settled yet: what the other leg paid, plus the unsettled leg at its current rate.

Leg	Exchange	Price	Funding /8h	Each payment	Next in	OI	Vol 24h	Max lev
Long	Polymarket Perps CASHCAT-USD	0.1682	0.0100	pay 0.0013% / 1h	45m 22s	$66K	$1.2M	3x
Short	BloFin CASHCAT-USDT	0.1690	0.0699	get 0.0349% / 4h	1h 45m	$53K	$606K	20x

Funding history

latest

Range statsloading…

Price spread between the two exchanges

BloFin against Polymarket Perps. 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 Polymarket PerpsbpFee BloFinbpOrdersPrice spread, now +0.464%Rate

Funding earned: $125.71
Price spread: +0.464% → +0.014%: $44.94
Slippage, 4 orders: −$64.57
Fee Polymarket Perps: 4 bp × 2 orders: −$8
Fee BloFin: 6 bp × 2 orders: −$12
Net: $86.08
Costs to cover: 0.846%
Break-even: 2.2 days

Slippage from Polymarket Perps: live order book, 6 min ago; BloFin: live order book, 64 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, 6 min ago	18.09 bp	23.7 bp −$24	doesn't fit	doesn't fit	doesn't fit
Sell BloFin live order book, 64 min ago	8.87 bp	20.2 bp −$20	63.9 bp −$639	doesn't fit	doesn't fit

CASHCAT on 22 exchanges

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
Injective CASHCAT/USDC PERP	+0.0033%	1h	0.1735	+3.139%	$8K	$18K	5.5x	as long as short
Lighter CASHCAT	+0.0072%	1h	0.1682	+0.012%	$1.1M	$1.5M	3x	as long as short
Aster CASHCATUSDT	+0.0073%	1h	0.1683	+0.049%	$548K	$861K	10x	as long as short
Lighter RH CASHCAT	+0.0096%	1h	0.1685	+0.143%	$351K	$861K	3x	as long as short
Hyperliquid CASHCAT	+0.0100%	1h	0.1682	0.000%	$46.4M	$19.4M	3x	as long as short
Bybit CASHCATUSDT	+0.0100%	4h	0.1683	+0.077%	$12.8M	$18.1M	10x	as long as short
Arcus CASHCAT-USD	+0.0100%	1h	0.1693	+0.630%	$105K	$302K	5x	as long as short
Gate CASHCAT_USDT	+0.0100%	4h	0.1681	−0.054%	$1.5M	$1.7M	20x	as long as short
MEXC CASHCAT_USDT	+0.0100%	4h	0.1683	+0.048%	$8.7M	$545K	20x	as long as short
KuCoin CASHCATUSDTM	+0.0100%	4h	0.1682	−0.012%	$612K	$2.4M	10x	as long as short

Show all 22 exchanges

Exchange	Funding /8h	Every	Price	Price vs long leg	OI	Vol 24h	Max lev
Variational Omni CASHCAT	+0.0100%	4h	0.1687	+0.307%	$1.1M	$1.7M	—	as long as short
ApeX Omni CASHCATUSDT	+0.0100%	1h	0.1686	+0.202%	$76K	$65K	50x	as long as short
Polymarket Perps CASHCAT-USDlong	+0.0100%	1h	0.1682	long leg	$66K	$1.2M	3x
SunX CASHCAT-USDT	+0.0100%	1h	0.1685	+0.175%	—	$1.7M	10x	as long as short
SoDEX CASHCAT-USD	+0.0100%	1h	0.1685	+0.161%	$505	$1K	3x	as long as short
HTX CASHCAT-USDT	+0.0100%	1h	0.1684	+0.136%	$20K	$208K	10x	as long as short
edgeX CASHCATUSDC	+0.0406%	4h	0.1689	+0.418%	$51K	$169K	5x	as long as short
BingX CASHCAT-USDT	+0.0438%	4h	0.1682	−0.012%	—	$1.1M	—	as long as short
OKX CASHCAT-USDT-SWAP	+0.0452%	4h	0.1683	+0.048%	$1.3M	$12.3M	20x	as long as short
Extended CASHCAT-USD	+0.0480%	1h	0.1684	+0.134%	$244K	$866K	5x	as long as short
BloFin CASHCAT-USDTshort	+0.0699%	4h	0.1690	+0.464%	$53K	$606K	20x
Nado CASHCAT-PERP	+0.0708%	1h	0.1679	−0.161%	$250K	$201K	5x	as long as short