Forex Lot Size & Risk Calculator

A professional risk management toolkit that goes beyond basic lot calculators — plan trades with precision, manage portfolio exposure, and never risk more than intended.

Position Sizing:

• Calculate lot size from risk % and stop distance
• Supports forex, indices, commodities, crypto
• Account for spread in stop-loss distance
• Multi-account position sizing (different balances)
• Currency-adjusted pip values

Partial Close Planner:

• Set multiple TP levels with partial close percentages
• Visual R:R display for each TP level
• Break-even SL after TP1 hit
• Average P&L per trade simulation
• Optimal partial close calculator (max expectancy)

Scaling Entries:

• Average entry calculator for adding to positions
• DCA plan builder with max position size
• Break-even price calculation after scaling
• Risk recalculation after each entry

Portfolio Heat:

• Total portfolio risk across all open trades
• Correlation warning (overlapping exposure)
• Currency exposure breakdown
• Max drawdown projection from current positions
• Real-time unrealised P&L as percentage of account

Integration:

• MT4/MT5 panel (EA with on-chart display)
• Web calculator (responsive, mobile-friendly)
• Preset templates for different prop firm rules
• Trade plan export to image for journaling

Tech Stack:

• MQL5 EA for MT5 integration
• Next.js 14 for web calculator
• TypeScript + Tailwind CSS
• Docker deployment