Show HN: Ideate a trading strategy with an Ex-Citadel Trader

5 hours ago

The author worked as a market maker in single-stock options at Citadel Securities for four years, managing risk in Indian and Hong Kong markets.
They traded semi-systematically, relying on models and algorithms while making decisions on when to trust them.
They automated the trading desk to increase coverage and wrote a detailed manual for other traders.
The goal is to help independent traders build robust strategies by understanding the market-making perspective, focusing on edge, position sizing, and feasibility.
Key considerations include verifying if an edge is real, determining position size based on edge versus variance, and ensuring the edge can be captured after costs and execution.
The offer includes collaborating on trade ideas to produce a strategy report with clear next steps for profitable trading.

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