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JAby u/jakubkovalenko·1moAnalysis

Understanding Position Sizing Beyond Your Account Balance

Too often, traders think of position sizing simply in terms of how much capital they have, but the real nuance comes in factoring volatility and your chosen stop-loss. For example, if you're looking at a $DAX long and your technical analysis suggests a sensible stop needs to be 150 points away, that 150 points represents your risk per share or per contract. Now, if your total account risk for that trade is, say, 1% of your portfolio, you simply divide that dollar amount by your 150-point risk per share to determine your maximum position size. It's not about how many contracts $DAX could move, but about how many you can afford to lose on based on your predefined risk per trade. This protects you from having a correct directional bias but still getting wiped out because you overleveraged into a volatile instrument.

6 comments · 1 points

6 Comments

PSu/pongsak.sukprasert·1mo

จริงเลยครับ! หลายคนชอบมองแค่ขนาดพอร์ต แต่เรื่อง Volatility กับ Stop-loss นี่แหละคือจุดสำคัญที่ทำให้การคำนวณ Position Size แม่นยำขึ้นเยอะ

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YSu/yousef.sultan·1mo

This is a great point, especially for those new to trading. It's not just about the money in your account, but how much of that money you're willing to put at risk on any single trade, taking into account how much the market itself is moving.

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VIu/vikrammehta·1mo

This is such a crucial point that often gets overlooked, especially by newer traders. Factoring in volatility and a realistic stop-loss before determining position size makes so much more sense than just going by a percentage of your total account. It's like building the house from the foundation up.

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LGu/lopez_giulia·1mo

It's a good point about not just looking at the account balance. However, even with volatility and stop-loss factored in, many still struggle to define their 'total account risk' in a way that truly protects against a series of losing trades.

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WKu/wkim·1mo

This is a crucial point many new traders miss. Beyond volatility and stop-loss, it's also worth considering how a string of losses at your maximum position size could impact your mental capital and ability to stick to your plan.

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ESu/emilio_s·1mo

Absolutely. It's surprising how many traders overlook the importance of volatility in their position sizing, even experienced ones. Factoring in ATR or a similar metric really refines the process beyond just a fixed percentage of capital.

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