What Is Conviction?
Conviction is the degree of confidence a trader has in a particular trade thesis. High conviction means multiple confluences align, the risk-reward is exceptional, and the setup matches your proven edge. Low conviction means the signal is marginal, the setup is suboptimal, or key confirmation is missing.
How Conviction Works
Conviction should directly influence position sizing: high-conviction setups warrant larger positions (closer to your maximum risk allocation), while low-conviction setups warrant smaller positions or no trade at all. This creates a natural weighting system where your best ideas have the most capital behind them and your weakest ideas have the least.
Why It Matters for Traders
One of the most common mistakes is treating all trades equally regardless of conviction. A trader who risks 2% on every trade — whether it's a textbook setup with 5 confluences or a marginal signal — leaves significant performance on the table. Professional traders size up on high-conviction opportunities and size down (or pass) on low-conviction ones, concentrating capital where the edge is strongest.