Trading Risk Lab is a web-based suite of trading calculators and risk management tools that helps traders plan position size, stop loss, take profit, partial exits, multiple entries, scenarios, risk of ruin, and track performance — all before placing a trade.
What is Trading Risk Lab?
Trading Risk Lab is a browser-based platform for position sizing, risk/reward planning, and trade modeling. It takes inputs like account size, risk percentage, entry/stop/target prices, fees, and leverage, and outputs position size, margin, PnL, liquidation estimates, and R-multiple analysis. The platform is built mainly for crypto (spot, perpetuals) and major indices (e.g., NAS100, US30). It is developed by Trading Risk Lab and runs entirely in the browser with no software installation required.
Key Features
- Position & Risk Calculator — Single-trade planner that outputs position size, notional, margin, SL/TP in price/points/percent/ticks, leverage-aware liquidation, and PnL with fees, spread, slippage, and funding.
- Partial Closes — Multi-take-profit ladder builder with preset exit strategies (scalp/swing/trend), blended reward-to-risk for the full ladder, per-close snapshots, and fee modeling.
- Multiple Entries — Unlimited layered entries with per-entry SL/TP/quantity/leverage, weighted averages, liquidation estimates, net PnL, and R-multiple breakdown table with copy-on-click.
- Scenarios — Generate grids comparing dozens of outcomes (stop, target, sizing variations) in price or points mode, with fees/spread/slippage; includes KPIs and best/worst summary.
- Trading Journal — Unlimited trade history with win rate, P&L, profit factor, expectancy, heatmaps (hour/day/week/month), strategy performance cards, filters by symbol/side/strategy/date, and CSV/XLSX import/export.
- Risk of Ruin — Monte Carlo simulator that outputs ruin probability, drawdown percentiles (50/95/99), losing streak analysis, time-to-target probabilities, and strategy comparison mode.
- Problem Solvers — Solve for TP from R:R or profit, SL from max loss or ATR, size from risk or margin, leverage from target liquidation — all with one unified cost model and copy-to-clipboard outputs.
Who is it for?
- Retail traders — Plan individual trades with precise risk/reward and see how fees affect net outcomes before entering.
- Prop firm traders — Model drawdowns and risk of ruin to stay within firm limits and avoid blown accounts.
- Active position traders — Use the Multiple Entries and Partial Closes tools to structure layered entries and scaled exits with realistic cost modeling.
- Trading educators and analysts — Generate scenario grids and Monte Carlo simulations to teach risk management concepts or backtest strategies.
Use cases
- Position sizing for a crypto perpetual trade — Enter account size ($10,000), risk per trade (2%), entry ($67,234), stop ($65,000), take profit ($72,000); get optimal 0.0089 BTC position, max loss $200, and a 1:3.2 risk/reward ratio.
- Modeling a multi-leg exit with partial closes — Build a ladder of three take-profit targets (scalp, swing, trend) and see each close's PnL, remaining risk, and blended reward-to-risk including fees and slippage.
- Running a risk of ruin simulation — Input win rate, average R-multiple, and risk per trade; generate Monte Carlo equity curves with drawdown percentiles and probability of surviving 1000 trades.
- Solving for the missing parameter — Use Problem Solvers to find the stop-loss price that limits loss to $150 on a given position, incorporating broker fees and spread.
