Funding arb · Price arb /

SP500

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Swap Backtest

Alert: funding

Alert: spread

Funding you earn now, next payment 22:00 UTC+0.0162%/8h= +17.7% APRpaid last 24h +0.060%

Price spread now: Aftermath Perps against Paradex−0.030%7-day average — · you buy dearer than you sell

to open and closeno order booka leg has no order-book sample

Long on Paradex Short on Aftermath Perps

What this pair did over the last

the charts below follow

Funding, last 3 days (all we have)—no history yet

Price spread, last 7 days—no price history on both exchanges yet

Together, before fees—+ Points / potential airdropParadex: Active · farm boardneeds both histories

Funding pays, the price is against you. Aftermath Perps is 0.030% cheaper against Paradex than usual: you would sell low and buy high (spread −0.030% now, against zero (this spread has no 7-day history yet)). If the spread goes back, that is −$3 on $10k: about 15 hours of funding at the current rate (+$5 a day).

Leg	Exchange	Price	Funding /8h	Each payment	Next in	OI	Vol 24h	Max lev
Long	Paradex US500-USD-PERP	7,762.7	0.0050	pay 0.0050% / 8h	2h 03m	$43K	—	5x
Short	Aftermath Perps US500USD	7,760.3	0.0212	get 0.0026% / 1h	3m 37s	$458	$20K	10x

Funding history

latest

Range statsloading…

Price spread between the two exchanges

Aftermath Perps against Paradex. 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 ParadexbpFee Aftermath PerpsbpOrdersPrice spread, now −0.030%Rate

Funding earned: $33.97
Price spread: −0.030% → 0.000%: −$3
Slippage, 4 orders: no order book: not counted
Fee Paradex: 2 bp × 2 orders: −$4
Fee Aftermath Perps: 4.5 bp × 2 orders: −$9
Net: $17.97
Costs to cover: 0.130%
Break-even: 3.3 days

Slippage unknown: Paradex: no order-book sample; Aftermath Perps: no order-book sample. Net counts fees only.

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 Paradex no order-book sample	—	—	—	—	—
Sell Aftermath Perps no order-book sample	—	—	—	—	—

Paradex and Aftermath Perps: no order-book sample. Either the market is below $100k of open interest and volume (not sampled), or the venue executes at an oracle price and its slippage is not modeled here: see the venue's docs.

SP500 on 18 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
Injective US500/USDC PERP	−0.0220%	1h	7,660.8	−1.312%	$7K	$105	52x	as long as short
QFEX US500-USD	−0.0028%	1h	7,765	+0.030%	$11.7M	$3.1M	30x	as long as short
OKX US500-USDT-SWAP	0.0000%	8h	7,763.7	+0.013%	$153K	$299K	20x	as long as short
Bitget SP500USDT	0.0000%	8h	7,767.4	+0.061%	$7.2M	$801K	50x	as long as short
Variational Omni US500	0.0000%	8h	7,740.1	−0.291%	$17.5M	$10.4M	—	as long as short
Bullet US500-USD	0.0000%	1h	7,764.9	+0.028%	$13K	$106K	10x	as long as short
Lighter US500	+0.0032%	1h	7,762.2	−0.006%	$2.5M	$28.1M	50x	as long as short
Extended SPX500m-USD	+0.0032%	1h	7,762.1	−0.007%	$3.2M	$15.8M	25x	as long as short
Markets by Kinetiq mkts:US500	+0.0046%	1h	7,736.5	−0.337%	$1.6M	$7.5M	25x	as long as short
Vest SPX-USD-PERP	+0.0046%	1h	7,828.3	+0.845%	—	$3.6M	50x	as long as short

Show all 18 venues

Exchange	Funding /8h	Every	Price	Price vs long leg	OI	Vol 24h	Max lev
Popdex US500USDT	+0.0048%	1h	7,765.5	+0.036%	$428K	$324K	20x	as long as short
Paradex US500-USD-PERPlong	+0.0050%	8h	7,762.7	long leg	$43K	—	5x
tradeXYZ xyz:SP500	+0.0050%	1h	7,764.6	+0.025%	$434.3M	$275.0M	50x	as long as short
Polymarket Perps SP500-USD	+0.0050%	1h	7,763.5	+0.011%	$7.6M	$1.5M	50x	as long as short
SoDEX US500-USD	+0.0050%	1h	7,761	−0.022%	$1.1M	$85K	20x	as long as short
Ondo Perps US500-USD.P	+0.0050%	1h	7,762.8	+0.002%	$9.5M	$6.4M	25x	as long as short
Pacifica SP500	+0.0100%	1h	7,763.3	+0.008%	$258K	$196K	20x	as long as short
Aftermath Perps US500USDshort	+0.0212%	1h	7,760.3	−0.030%	$458	$20K	10x