⚔️ Fan-made by a trader in the trenches. Not FastX, not affiliated, never asks you to connect a wallet or sign anything.

Trading tools

Calculators only. This site never holds a key, never signs, never places an order — everything below runs in your browser.

New · paper mode ⚙️ Auto take profit — a buy fill plans the closing sell for you Configure the offset in bps, simulate fills, inspect every order before anything is live. Open

🎯 Rank-hold estimator

● today's board

The board freezes at 16:00 UTC and your rank at that moment sets your points. This works out what your volume is worth right now, what the next bracket costs, and how much lead you have on the trader behind you.

Snapshot in
--:--:--
Daily ranking at 16:00 UTC.
Rank right now
Points if it froze now
To climb one rank
Cushion below

What each bracket costs from here

⚒️ Volume cost planner

fees · break-even

The race ranks on volume, so volume has a price. Set a target and see what it costs in fees — and which prize band actually leaves you ahead. Every fill counts toward volume, so opening and closing a position contributes twice its notional.

Fee cost
Effective rate
on total volume
Round trips
Cost of capital
fees ÷ capital
Break-even rank
worst rank that still profits

🛡️ Position size & liquidation

live margin params

Margin rates come straight from each market's published parameters, including the size scaling that raises margin on large positions. Set your collateral and leverage to see where the position dies.

Side
Liquidation price
Position size
Maintenance margin
Initial margin
Max leverage here
at this position size
Round-trip fee
open + close

⏳ Funding cost projector

live rates

Funding settles on a fixed clock, not continuously — you pay for every settlement you are open through. Longs pay when the rate is positive, shorts collect. Rates are live from the last snapshot and assumed flat for the whole hold.

Side
Funding cost
Settlements
Per settlement
Rate
Break-even move
to cover funding alone
Moved The weekly recap card now lives in the Hall of Fame → Generate recap
Still free, still ad-free

Every calculator here is unit-tested against hand-worked numbers before it ships. That takes evenings.

☕ Buy the dev a coffee