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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My profile
Backtest 30d
LegExchangePriceFund. /8hEach paymentNext inOIVol 24hLev
LONG64,242.1+0.0023pay 0.0003% / 1h13m 16s$2K$56K10xLong Aftermath Perps5% off
SHORT64,43100.0000% / 8h3h 13m$590K$137K50xShort MEXC
Price gap+0.294%
Funding gap−0.0023% /8h

The gap pays +$29 on $10k if it goes back to zero (no 7-day history yet), but funding costs $1 a day and eats that in about 42 days. At the last 7 days' pace that is about 14 days.

If you open now and hold

on $10k a leg · figures of the last 7D, not a forecast
Funding−$15−0.0023% /8h now · paid −0.149% over the last 7D
Price—spread +0.294% now · no price history on both exchanges yet
Costsno datano order book for Aftermath Perps
Result, before costs—no pointsneeds both price histories

Price and funding

1h · history
ENTRY / EXIT · 7D
Entry now—
Entry average—
Best entry—
Exit now—
Exit average—
Best exit—
Exit free—
PRICE SPREAD · 7D
Now+0.294%
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

JP225 on 9 exchanges

lowest funding first

Before you open

0 ok · 3 to watch
  • Note: Order book unknown—
    No order-book sample for Aftermath Perps: its slippage is not counted.
  • Note: Margin at max leverage$1,000 + $200
    Aftermath Perps 10x, MEXC 50x. Keep about 2× this so a sharp move doesn’t liquidate one leg.
  • Watch: Payment intervals differ1h / 8h
    Payments land at different times. Close right after the slower leg pays.
    Next 24h at the current rates, on $10k a leg: −$0.70Long Aftermath Perps: 24 payments, −$0.70; short MEXC: 3 payments, $0.00.
  • Note: No 7-day spread history+0.294%
    The gap cannot be compared with its average yet.
  • Watch: Long leg is thinner$2K vs $590K OI
    Aftermath Perps sets your exit cost. Check its book before closing.
  • Note: No points program—
    Neither exchange runs points right now.
  • Watch: KYCAftermath Perps No · MEXC Yes
    KYC before trading since Feb 2026; unverified accounts see market data only.

Profit calculator

both legs, in and out
Position, each leg
Hold for
Orders
Price spread
Funding rate
Funding earned−0.0071%/8h × 21 periods−$14.87
Price spread+0.294% → 0+$29.41
Slippage, 4 ordersno data for Aftermath Perps—
Fee Aftermath Perps bp × 2 orders−$9.00
Fee MEXC bp × 2 orders−$8.00
Net, fees only · 7 days · $10k−$2.46
Costs to cover0.170%Break-evenfrom the start
Slippage: Aftermath Perps: no order-book sample; MEXC: live order book, 16 min ago

Cost to enter

taker + slippage from mid, one side
BUY · LONGAftermath Perps—————
SELL · SHORTMEXC7.13185.4 bp−$185351.2 bp−$3,512592.0 bp−$59.2Kdoesn’t fit

Closing costs about the same again.
Aftermath Perps: no data.

Alert

JP225 news

posts that mention JP225 or Nikkei 225, from every exchangeSearch all news →
10-12 18:20Aftermath PerpsListingnew market JP225USD ($JP225) seen by our collector
09-24 04:30OKXOtherGlobal markets. Your next move. Choose from over 180 perpetuals tracking traditional markets, including US100, US500 and JP225. More of the real world, on OKX. @okx on X ↗