Funding arb · Price arb /

SPX

all SPX markets

Swap Backtest

Alert: funding

Alert: spread

Funding you earn now, next payment 00:00 UTC0.0000%/8h= 0.0% APRnext payment +$0.00 per $10,000 · paid last 24h 0.000%

Price spread now: Aster against MEXC+0.114%7-day average +0.011% · you sell dearer than you buy

Net, funding: paid 7d − costs—under 7 days of funding history

Net, price: spread back to 7d avg − costs−$742as in the Price arb table

costs, in and out, $10k−$7527.520% of the position

Long on MEXC Short on Aster

What this pair did over the last

the charts below follow

Funding, last 5 days (all we have)+0.001%$0 on $10k

Price spread, last 4 days (all we have)−0.161%−$16 · spread now +0.114%, 7d avg +0.011%

Together, before fees−0.160%+ Points / potential airdropAster: Stage 5 · farm board−$16 on $10k · with fees, hour by hour

Funding between these two exchanges is close to zero, so right now this pair is about the price spread alone: Aster is 0.103% dearer against MEXC than usual: you sell high and buy low, +$10 on $10k if it goes back to its 7-day average of +0.011%.

Leg	Exchange	Price	Funding /8h	Each payment	Next in	OI	Vol 24h	Max lev
Long	MEXC SPX_USDT	0.4966	0.0100	pay 0.0050% / 4h	1h 17m	$11.2M	$4.6M	100x
Short	Aster SPXUSDT	0.4972	0.0100	get 0.0050% / 4h	1h 17m	$125K	$107K	10x

Funding history

latest

Range statsloading…

Price spread between the two exchanges

Aster against MEXC. 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 MEXCbpFee AsterbpOrdersPrice spread, now +0.114%Rate

Funding earned: $0
Price spread: +0.114% → +0.011%: $10.26
Slippage, 4 orders: −$740
Fee MEXC: 2 bp × 2 orders: −$4
Fee Aster: 4 bp × 2 orders: −$8
Net: −$741.74
Costs to cover: 7.520%
Break-even: never at this rate

Slippage from MEXC: live order book, 1 min ago; Aster: 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 MEXC live order book, 1 min ago	1.01 bp	7.2 bp −$7	25.0 bp −$250	166.3 bp −$16.6K	doesn't fit
Sell Aster live order book, 64 min ago	15.86 bp	26.7 bp −$27	doesn't fit	doesn't fit	doesn't fit

SPX on 19 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
Kraken Futures PF_SPXUSD	−0.1263%	1h	0.4962	−0.079%	$231K	$554K	20x	as long as short
Injective SPX/USDC PERP	+0.0033%	1h	0.4979	+0.262%	$9	$4K	5.5x	as long as short
Variational Omni SPX	+0.0053%	4h	0.5034	+1.367%	$848K	$1.3M	—	as long as short
Lighter SPX	+0.0096%	1h	0.4968	+0.048%	$114K	$319K	5x	as long as short
Hyperliquid SPX	+0.0100%	1h	0.4965	−0.024%	$9.6M	$7.5M	5x	as long as short
Aster SPXUSDTshort	+0.0100%	4h	0.4972	+0.114%	$125K	$107K	10x
Binance SPXUSDT	+0.0100%	4h	0.4969	+0.060%	$4.9M	$20.5M	75x	as long as short
Bybit SPXUSDT	+0.0100%	4h	0.4961	−0.101%	$11.6M	$15.7M	50x	as long as short
OKX SPX-USDT-SWAP	+0.0100%	4h	0.4963	−0.060%	$979K	$2.7M	20x	as long as short
Gate SPX_USDT	+0.0100%	4h	0.4966	0.000%	$1.0M	$488K	50x	as long as short

Show all 19 venues

Exchange	Funding /8h	Every	Price	Price vs long leg	OI	Vol 24h	Max lev
MEXC SPX_USDTlong	+0.0100%	4h	0.4966	long leg	$11.2M	$4.6M	100x
KuCoin SPXUSDTM	+0.0100%	4h	0.4965	−0.020%	$3.7M	$5.2M	50x	as long as short
Bitget SPXUSDT	+0.0100%	4h	0.4970	+0.081%	$2.6M	$1.4M	50x	as long as short
BingX SPX-USDT	+0.0100%	4h	0.4967	+0.020%	—	$6.9M	—	as long as short
ApeX Omni SPXUSDT	+0.0100%	1h	0.5027	+1.228%	$45K	$248K	25x	as long as short
Orderly PERP_SPX_USDC	+0.0100%	4h	0.4972	+0.121%	$20K	$711	10x	as long as short
SunX SPX-USDT	+0.0100%	4h	0.4956	−0.201%	$8K	$1.7M	20x	as long as short
Extended SPX-USD	+0.0104%	1h	0.4960	−0.120%	$34K	$228K	10x	as long as short
BloFin SPX-USDT	+0.0340%	4h	0.4959	−0.141%	$254K	$937K	75x	as long as short