---
title: 'Why This Trader Lost $47,000'
source: 'https://youtube.com/watch?v=fVOfmsz2e24'
video_id: 'fVOfmsz2e24'
date: 2026-08-10
duration_sec: 70
---

# Why This Trader Lost $47,000

> Source: [Why This Trader Lost $47,000](https://youtube.com/watch?v=fVOfmsz2e24)

## Summary

This video explains why a trader lost $47,000 in a single month, attributing the loss not to a flawed strategy but to a critical risk management error: using the same position size for every trade regardless of its quality. The speaker introduces a grading system (A, B, C, D) to size trades proportionally to their probability of success, thereby protecting capital and maximizing returns.

### Key Points

- **The Core Problem: Uniform Position Sizing** [00:02] — The trader lost $47,000 in one month because he used the same position size on every trade, regardless of the setup's quality. This means A+ setups (high probability) and C setups (low probability) carry equal risk.
- **The Danger of Equal Sizing** [00:15] — Equal sizing is dangerous because C setups have a lower win rate but carry the same weight as A+ trades. When a C setup fails—which happens often—it causes a full loss, equivalent to an A+ failure.
- **The Impact of a Bad Week** [00:29] — A single bad week on C-grade trades can wipe out three good weeks of A+ profits. This illustrates how equal sizing amplifies the negative impact of low-quality setups.
- **The Solution: Grade Every Trade** [00:41] — The fix is to grade every trade before sizing it. The grading system is: D = 0% risk, C = 5% of daily stop, B = 15%, A = 30%, and A+ = 80% of daily stop. This ensures that higher-quality setups receive larger allocations.
- **The Impact of Sizing on P&L** [00:57] — By using the same strategy but different sizes based on grade, the trader can achieve a completely different P&L outcome. This demonstrates that position sizing is a key determinant of profitability.

### Conclusion

The video emphasizes that consistent position sizing across all trade types is a common and costly mistake. By grading each trade and adjusting size accordingly, traders can protect their capital and improve overall performance.

## Transcript

single month. Not because of a bad strategy, but because of this. strategy, but because of this. He sizes the same on every single trade. Every single one. The A+ setups where everything was stacked in his favor,
same size. C setup, marginal, questionable catalyst, same size. And here's why that's so dangerous. It's not just that he's leaving money on the table in his A+ trades. It's that his C trades, the one with the lowest win
rate, carry the same weight as his best trades. So when a C setup fails, and trades. So when a C setup fails, and they fail a lot, he takes a full hit. Same hit as if his A+ had failed. One
bad week on C-size trades can wipe out three good weeks of A+ trades. That's the math. That's the trap. The fix is just four letters. D C B A Every trade gets a grade before you size it. D equals zero risk, and that's where
you start. C equals 5% of your daily stop. B equals 15. A equals 30. And those beautiful A+s get 80% of your daily stop. Same trades, different daily stop. Same trades, different sizes, completely different P&L.