What to Actually Measure in Your Trading Behavior (Beyond P&L)
A descriptive tour of trading behavior metrics — holding time, re-entry window, frequency, sizing variance — and the behavioral-finance research behind each.
What a P&L-Focused Trading Journal Doesn't Measure
A look at trading journal limitations: outcome-tracking captures what happened, but not the behavior that produced it. Where the two diverge.
Even Fund Managers Do It: The V-Shaped Disposition Effect
Research on US mutual fund managers found a V-shaped disposition effect — professionals are more likely to sell both big winners and big losers.
Trading Journal Limitations: What a P&L Log Can't Show You
A look at trading journal limitations — where outcome-tracking stops and behavior measurement begins, and what trading journals miss between the entry and the exit.
Why Can't I Cut My Losses? The Psychology Behind Holding Losing Trades
Why can't I cut my losses? A look at loss aversion, the paper loss fallacy, and breakeven anchoring — and the footprint they leave in trade data.
Trading Journal vs. Behavior Analytics: What Actually Changes How You Trade
A trading journal records what happened. Behavior analytics measures how you act. Here is the difference — and why one is better at changing habits.
The Psychology of Averaging Down: Why We Double Down on Losing Trades
Averaging down feels rational in the moment. Loss aversion, sunk cost, and confirmation bias explain why — and how the pattern shows up in your trade data.