TxFlow Level Up: trade perps and earn up to 300 USDC at $4M volume. Until Nov 2 Join
Settings8H · net · $10k
LanguageThe language of the site
ThemeDark, or a soft blue-grey
FundingPeriod funding rates are shown in
UnitsPercent or basis points
CostsCount taker fees and slippage in Net
SizePosition per leg used for Net and slippage
ExchangesWhich exchanges to include everywhere
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Funding arb · Price arb / Crypto

SPX

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Backtest 30d
LegExchangePriceFund. /8hEach paymentNext inOIVol 24hLev
LONG
GMXSPX6900/USD [ETH-USDC]
0.3724L +0.0274S +0.0129pay 0.0034% / 1h52m 58s$32K$261K50xLong GMX5% off
SHORT
AsterSPXUSDT
0.3729+0.0100get 0.0050% / 4h2h 52m$74K$11K10xShort Aster≤10% back
Price gap+0.128%48s
Funding gap−0.0174% /8h

The gap pays +$13 on $10k if it goes back to zero (no 7-day history yet), but funding costs $5 a day and eats that in about 2.4 days.

If you open now and hold

on $10k a leg · figures of the last 7D, not a forecast
Funding−$35−0.0174% /8h now · paid −0.347% over the last 7D
Price—spread +0.128%48s now · prices read too far apart to compare
Costsno datano order book for GMX and Aster
Result, before costs—+ Points / potential airdropAster: Stage 5 · farm boardneeds both prices read together

Price and funding

1h · history
PRICE SPREAD · 7D
Now+0.128%
Average—
Range—
Wider than now—
FUNDING SPREAD · 7D
Average /8h—
Highest—
Lowest—
Paid you—

Where the spread has been, last 7D

share of time at each level

Funding on every exchange

/8h

SPX on 21 exchanges

lowest funding first

Before you open

2 ok · 3 to watch
  • Note: Order book unknown—
    No order-book sample for GMX and Aster: its slippage is not counted.
  • Note: Margin at max leverage$200 + $1,000
    GMX 50x, Aster 10x. Keep about 2× this so a sharp move doesn’t liquidate one leg.
  • Watch: Payment intervals differ1h / 4h
    Payments land at different times. Close right after the slower leg pays.
    Next 24h at the current rates, on $10k a leg: −$5.22Long GMX: 24 payments, −$8.22; short Aster: 6 payments, +$3.00.
  • Watch: Prices read 48 s apart+0.128% vs —
    Part of this gap may be the market moving.
  • Watch: Long leg is thinner$32K vs $74K OI
    GMX sets your exit cost. Check its book before closing.
  • OK: Points on a legAster Stage 5
    Volume here counts toward the points program.
  • OK: No KYC on either legGMX No · Aster No
    Both exchanges let you trade without ID.

Profit calculator

both legs, in and out
Position, each leg
Hold for
Orders
Price spread
Funding rate
Funding earned−0.0165%/8h × 21 periods−$34.66
Price spreadprices read too far apart to compare—
Slippage, 4 ordersno data for GMX and Aster—
Fee GMX bp × 2 orders−$12.00
Fee Aster bp × 2 orders−$8.00
Net, fees only · 7 days · $10k−$54.66
price spread not counted: prices read too far apart
Costs to cover0.200%Break-evennever at this rate
Slippage: GMX: no order-book sample; Aster: no order-book sample

Cost to enter

taker + slippage from mid, one side
BUY · LONGGMX—————
SELL · SHORTAster—————

Closing costs about the same again.
GMX and Aster: no data.

Alert

SPX news

posts that mention SPX, from every exchangeSearch all news →
10-12 18:49Aftermath PerpsListingnew market SPXUSD ($SPX) seen by our collector
09-24 09:32ApeX OmniListing5 up, 81 down on the ApeX board. Median name -6.6%. litecoin:native +9.2% is the only real bid, riding the old-coin rotation that took bitcoin-cash:native up 30% this week after CME said it will list Bitcoin Cash futures on 19 Oct. $SPX -14.1% is the extreme. @OfficialApeXdex on X ↗