GUIDES
Arithmetic, not opinions.
Each guide answers one real question with checkable arithmetic, and ends at the calculator that runs the same math on your numbers.
How to Calculate Position Size (Formula, Example, Common Mistakes)
The position-size formula from risk budget and stop distance, one worked example in dollars, and the mistakes — rounding up, skipping fees — that quietly break it.
Read the guide →Prop Firm Drawdown Rules: Daily, Trailing, and Why Traders Fail Them
What daily loss limits and trailing drawdown actually measure, the balance-vs-equity trap, and the arithmetic of how one oversized trade ends a challenge.
Read the guide →How to Avoid Liquidation in Crypto Futures: the Leverage and Margin Math
Why liquidation price is a function of leverage and maintenance margin, an illustrated example at 10x, and why the stop — not the liquidation engine — should be the exit that fires.
Read the guide →How Much Should You Risk Per Trade? The Math Behind the 1% Rule
Fixed-fractional risk, what losing streaks do to an account at 1% versus 5%, the asymmetry of drawdown recovery, and how to turn a percentage into a rule you can check.
Read the guide →Risk-Reward Ratio: What It Is, and the Win Rate Each Ratio Requires
How to compute the risk-reward ratio from entry, stop and target, the breakeven win rate each ratio demands, and why a good ratio on a bad stop is fiction.
Read the guide →What Is the Funding Rate in Perpetual Futures — and What Does Holding Cost?
Why perpetuals pay funding at all, how to turn a small 8-hour rate into a real monthly cost on your margin, and when funding quietly decides a trade's outcome.
Read the guide →Win Rate Is Not Edge: Expectancy, Streaks, and the Numbers That Matter
Why a high win rate can lose money and a low one can compound, the expectancy formula in risk units, and the losing-streak table every win rate should be read with.
Read the guide →Money Management for Traders: a System of Five Written Rules
Money management as five written, checkable rules — per-trade risk, portfolio heat, a daily stop, a drawdown step-down, and a weekly review — with the arithmetic for each.
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