Tools
Every calculator opens with a real contract at its current price, computed on the server. Where a formula in common circulation is wrong, the correct result is shown next to it. None of them require an account.
Liquidation price
Uses the published maintenance-margin tiers, and shows how far the common entry × (1 ∓ 1/leverage) formula is wrong.
BTC mark $62,633.00
Position size
Risk-based sizing that checks the stop against the tier-correct liquidation price. A stop beyond liquidation is not a stop.
BTC · tier-checked
Leverage
The advertised maximum applies to the smallest tier only. Shows what your notional actually allows, and where the next step falls.
BTC advertised 40×
Funding cost
What a position costs to hold, counting real settlements rather than reading the quoted rate as a daily number.
BTC 10.95% APR
Funding arbitrage
The cross-venue spread with both legs annualised on their own interval, not differenced as if the intervals matched.
LIT gap 38.91%