Nexus Ledger Risk Calculator V2

A sleek, open-source Forex lot size + Crypto position sizing + Monte Carlo equity simulator built with Flask — by Nexus Ledger.

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✨ Features

• Forex Mode (Lots)

  • Account size + Risk % + SL (pips) + pip value → standard lot size
  • Auto-calculates mini and micro lot equivalents
  • Optional Take Profit (pips) for R:R

• Crypto Mode (USD)

  • Account size + Risk % + Entry + Stop → quantity and position value
  • Optional Take Profit (price) for R:R

• 🧠 Risk Brain Panel

  • Shows real edge metrics:
    • Break-even winrate
    • Expectancy per trade (R & $)
  • Turns your R:R + winrate into actionable trading edge insights

• 📈 Equity Curve Simulator (Monte Carlo)

  • Fully configurable:
    • Start equity
    • Win probability (winrate)
    • Risk/Reward (R:R)
    • Risk per trade %
    • Number of trades
    • Number of simulation paths (“lines”)
    • Drawdown ruin threshold (e.g., 50%)
    • Compounding ON/OFF
  • Output stats:
    • Median final equity
    • 10% worst / 10% best outcomes
    • Median & worst max drawdown
    • Probability of ruin (hitting threshold)

• 🖥️ Modern UX

  • Clean, responsive UI with Nexus Ledger branding
  • Form remembers previous inputs (no re-typing)
  • Results grouped into:
    • Position Sizing
    • Risk Brain
    • Equity Curve · Monte Carlo

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🔗 Social Links

Website: https://www.nexusledger.org
LinkedIn: https://linkedin.com/company/nexusledger1
Twitter/X: https://x.com/nexusledger1
YouTube: https://www.youtube.com/@nexusledger1

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🚀 Run Locally

Clone the repo and start the Flask app:

# 1. Create a virtual environment
python -m venv .venv

# 2. Activate it
# macOS / Linux:
source .venv/bin/activate

# Windows (PowerShell):
# .venv\Scripts\activate

# 3. Install dependencies
pip install flask

# 4. Run the app
python app.py

# The app will be live at:
# http://127.0.0.1:5000