Free Trading Tools & Calculators

FREE TRADING TOOLS

Free trading calculators

Fast, private, browser-based tools for the maths every trader needs — no sign-up, no data leaves your device.

FREE TOOL Fibonacci Calculator Enter a swing high and low → every retracement and extension level, with the golden pocket highlighted, drawn on a mini chart. Open the fib calculator → FREE TOOL Position Size Calculator Account size, risk %, entry and stop → exactly how many units to trade so a loss only costs your pre-decided slice of the account. Open the position sizer → FREE TOOL Risk of Ruin Calculator A Monte-Carlo simulator: map your probability of ruin, drawdown and the Kelly-optimal risk across any win rate and risk-per-trade. Open the ruin simulator →

These tools do the arithmetic. FibScanner does the watching.

The extension applies exactly this logic — the retracement levels, the stop distance, the risk:reward — automatically across 293 markets and 8 timeframes, and alerts you when a setup actually forms.

Try the free tier