Calculators for serious
DeFi perp traders.
Cross-venue liquidation math, basis trades, and funding-rate strategies — with transparent formulas you can audit.
Tools
Hyperliquid
Liquidation Calculator
Isolated & cross margin, fee-inclusive
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GMX v2
Liquidation Calculator
Leverage tier-aware, multi-collateral
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Trading Journal
Log & review your actual trades
Latest Guides
Paper PnL vs Real — what TheWhiteWhaleHL actually made on this Hyperliquid ETH long
Line-by-line audit of a public $30M profit claim on Hyperliquid. Only $1.37M of the gap was explicit friction — but the funding alone was 6.3% of his actual exit, a number his peak screenshot never shows.
Open-source trading journal for DeFi perp traders
Why I built a free, self-hostable trading journal designed for GMX, Hyperliquid, and other DeFi perps — and the fields the established SaaS journals never added.
GMX v2 liquidation mechanics — what CEX traders get wrong
A hands-on walk through GMX v2's liquidation model — GM pools, borrow + funding fees, price impact, and the places where the formula lies to you.
Monthly trading tool updates & market structure guides
New calculators, trading insights, and strategy guides. No spam.