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A multi-strategy algorithmic trading engine - RSI mean reversion, London breakout, MACD crossover - executing live through the IG Markets API, with per-trade risk sizing and a real-time dashboard. Rebuilt position tracking around a single source of truth after live price reads caused UI desync.

How it was built

A multi-strategy algorithmic trading engine running three independent strategies - RSI mean reversion, a London breakout, and a MACD crossover - executing live through the IG Markets API, with per-trade risk sizing and a real-time dashboard for monitoring open positions. Position tracking was rebuilt around a single source of truth after live price reads caused the UI and the actual broker state to drift out of sync - a good reminder that anything reading a live feed needs one canonical state, not several views each computing their own.

Stack

PythonIG Markets APINext.js
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