Funding arb · Price arb /

SPCX

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Swap Backtest

Alert: funding

Alert: spread

Funding you earn now, next payment 01:00 UTC+0.0066%/8h= +7.3% APRpaid last 24h 0.000%

Price spread now: Polymarket Perps against Phemex−0.020%7-day average +0.028% · you buy dearer than you sell

Net, funding: paid 7d − costs−$26as in the Funding arb table

Net, price: spread back to 7d avg − costs−$44as in the Price arb table

costs, in and out, $10k−$400.397% of the position

Long on Phemex Short on Polymarket Perps

What this pair did over the last

the charts below follow

Funding, last 7 days+0.136%+$14 on $10k

Price spread, last 3 days (all we have)+0.038%+$4 · spread now −0.020%, 7d avg +0.028%

Together, before fees+0.173%+$17 on $10k · with fees, hour by hour

Funding pays, the price is against you. Polymarket Perps is 0.047% cheaper against Phemex than usual: you would sell low and buy high (spread −0.020% now, against its 7-day average of +0.028%). If the spread goes back, that is −$5 on $10k: about 2.4 days of funding at the current rate (+$2 a day).

Leg	Exchange	Price	Funding /8h	Each payment	Next in	OI	Vol 24h	Max lev
Long	Phemex SPCXUSDT	153.09	0.0050	pay 0.0050% / 8h	7h 48m	$534K	$415K	50x
Short	Polymarket Perps SPCX-USD	153.06	0.0116	get 0.0015% / 1h	48m 07s	$490K	$1.1M	10x

Funding history

latest

Range statsloading…

Price spread between the two exchanges

Polymarket Perps against Phemex. 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 PhemexbpFee Polymarket PerpsbpOrdersPrice spread, now −0.020%Rate

Funding earned: $13.96
Price spread: −0.020% → +0.028%: −$4.71
Slippage, 4 orders: −$19.72
Fee Phemex: 6 bp × 2 orders: −$12
Fee Polymarket Perps: 4 bp × 2 orders: −$8
Net: −$30.47
Costs to cover: 0.397%
Break-even: 22.3 days

Slippage from Phemex: live order book, 24 min ago; Polymarket Perps: live order book, 5 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 Phemex live order book, 24 min ago	0.65 bp	13.7 bp −$14	doesn't fit	doesn't fit	doesn't fit
Sell Polymarket Perps live order book, 5 min ago	1.96 bp	6.0 bp −$6	7.1 bp −$71	9.4 bp −$940	doesn't fit

SPCX on 39 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
GMX SPCX/USD [ETH-USDC]	L −0.0296% / S +0.0505%	1h	153.06	−0.016%	$88K	—	20x	as long as short
Gate SPCX_USDT	0.0000%	8h	153.07	−0.013%	$96.6M	$31.1M	100x	as long as short
GRVT SPCX_USDT_Perp	0.0000%	8h	172.52	+12.692%	$4K	$882	10x	as long as short
StandX SPCX-USD	0.0000%	1h	152.95	−0.091%	$302K	$3.1M	20x	as long as short
SunX SPCX-USDT	0.0000%	8h	153.35	+0.170%	$8K	$962K	10x	as long as short
HTX SPCX-USDT	0.0000%	8h	153.08	−0.007%	$1.3M	$1.7M	75x	as long as short
Aftermath Perps SPCXUSD	+0.0026%	1h	152.98	−0.071%	$8K	$8K	10x	as long as short
Lighter SPCX	+0.0032%	1h	153.03	−0.039%	$1.6M	$7.4M	20x	as long as short
Lighter RH SPCX	+0.0032%	1h	153.00	−0.059%	$2.5M	$7.4M	20x	as long as short
Injective SPCX/USDC PERP	+0.0033%	1h	157.25	+2.717%	$9K	$27K	5.5x	as long as short

Show all 39 venues

Exchange	Funding /8h	Every	Price	Price vs long leg	OI	Vol 24h	Max lev
Vest SPCX-USD-PERP	+0.0046%	1h	153.08	−0.007%	—	$1.2M	10x	as long as short
SoDEX SPCX-USD	+0.0050%	1h	153.08	−0.007%	$1.7M	$81K	20x	as long as short
Phemex SPCXUSDTlong	+0.0050%	8h	153.09	long leg	$534K	$415K	50x
Ondo Perps SPCX-USD.P	+0.0050%	1h	152.89	−0.131%	$3.2M	$2.6M	10x	as long as short
QFEX SPCX-USD	+0.0063%	1h	153.06	−0.020%	$1.2M	$7.6M	10x	as long as short
BloFin SPCX-USDT	+0.0092%	8h	153.11	+0.013%	$1.9M	$1.4M	75x	as long as short
Pacifica SPCX	+0.0100%	1h	152.99	−0.065%	$173K	$129K	10x	as long as short
KuCoin SPCXUSDTM	+0.0100%	8h	152.95	−0.091%	$13.0M	$5.5M	20x	as long as short
ApeX Omni SPCXUSDT	+0.0100%	1h	153.12	+0.020%	$58K	$271K	50x	as long as short
Orderly PERP_SPCX_USDC_mythos	+0.0100%	8h	153.10	+0.007%	$15K	$7K	10x	as long as short
Paradex SPCX-USD-PERP	+0.0100%	8h	153.11	+0.011%	$101	—	5x	as long as short
Aevo SPCX-PERP	+0.0104%	1h	153.07	−0.010%	$89	—	10x	as long as short
Polymarket Perps SPCX-USDshort	+0.0116%	1h	153.06	−0.020%	$490K	$1.1M	10x
Bybit SPCXUSDT	+0.0152%	8h	153.12	+0.020%	$30.8M	$42.8M	100x	as long as short
Nado SPCX-PERP	+0.0179%	1h	152.96	−0.084%	$601K	$865K	20x	as long as short
Arcus SPCX-USD	+0.0194%	1h	153.01	−0.052%	$105K	$297K	5x	as long as short
Variational Omni SPCX	+0.0194%	8h	153.06	−0.019%	$6.0M	$3.5M	—	as long as short
OKX SPCX-USDT-SWAP	+0.0203%	8h	153.13	+0.026%	$39.1M	$169.3M	75x	as long as short
Binance SPCXUSDT	+0.0212%	8h	153.11	+0.013%	$252.9M	$1.38B	75x	as long as short
Extended SPCX-USD	+0.0216%	1h	153.07	−0.012%	$732K	$3.7M	10x	as long as short
tradeXYZ xyz:SPCX	+0.0295%	1h	153.05	−0.026%	$143.4M	$119.2M	20x	as long as short
Phoenix SPCX	+0.0314%	1h	153.06	−0.020%	$445K	$271K	15x	as long as short
Bullet SPCX-USD	+0.0318%	1h	153.10	+0.007%	$11K	$187K	10x	as long as short
Aster SPCXUSD1	+0.0327%	8h	153.04	−0.033%	$19.0M	$20.2M	20x	as long as short
Coinbase International SPCX-PERP-INTX	+0.0328%	1h	153.14	+0.033%	$734K	$971K	10x	as long as short
Bitget SPCXUSDT	+0.0343%	8h	153.13	+0.026%	$31.3M	$66.6M	75x	as long as short
RISEx SPCX/USDC	+0.0409%	1h	153.10	+0.008%	$401K	$535K	20x	as long as short
edgeX SPCXUSDC	+0.0475%	4h	153.08	−0.009%	$1.7M	$893K	20x	as long as short
Deribit SPCX_USDC-PERPETUAL	+0.0534%	1h	153.09	0.000%	$71K	$1.0M	10x	as long as short