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
My profile →
My profile
Backtest 30d
LegExchangePriceFund. /8hEach paymentNext inOIVol 24hLev
LONG64,44900.0000% / 8h2h 21m$588K$137K50xLong MEXC
SHORT64,214.6−0.0060pay 0.0007% / 1h21m 47s$2K$56K10xShort Aftermath Perps5% off
Price gap−0.364%
Funding gap−0.0060% /8h

Both sides work against this direction now: funding costs $2 a day on $10k and the gap is 0.364% under zero (no 7-day history yet). Swap the legs.

If you open now and hold

on $10k a leg · figures of the last 7D, not a forecast
Funding+$15−0.0060% /8h now · paid +0.149% over the last 7D
Price—spread −0.364% 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−0.364%
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$200 + $1,000
    MEXC 50x, Aftermath Perps 10x. Keep about 2× this so a sharp move doesn’t liquidate one leg.
  • Watch: Payment intervals differ8h / 1h
    Payments land at different times. Close right after the slower leg pays.
    Next 24h at the current rates, on $10k a leg: −$1.79Long MEXC: 3 payments, $0.00; short Aftermath Perps: 24 payments, −$1.79.
  • Note: No 7-day spread history−0.364%
    The gap cannot be compared with its average yet.
  • Watch: Short leg is thinner$2K vs $588K OI
    Aftermath Perps sets your exit cost. Check its book before closing.
  • Note: No points program—
    Neither exchange runs points right now.
  • Watch: KYCMEXC Yes · Aftermath Perps No
    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+$14.94
Price spread−0.364% → 0−$36.38
Slippage, 4 ordersno data for Aftermath Perps—
Fee MEXC bp × 2 orders−$4.00
Fee Aftermath Perps bp × 2 orders−$9.00
Net, fees only · 7 days · $10k−$34.43
Costs to cover0.130%Break-even23.1 days
Slippage: MEXC: live order book, 2 min ago; Aftermath Perps: no order-book sample

Cost to enter

taker + slippage from mid, one side
BUY · LONGMEXC4.66140.7 bp−$141286.9 bp−$2,869517.7 bp−$51.8Kdoesn’t fit
SELL · SHORTAftermath Perps—————

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 ↗