Position Size Calculator – Calculate Safe Trade Quantity

Calculate exactly how many shares you should buy based on your trading capital and risk tolerance. Never lose more than you planned on any single trade.

Free • Professional Math • Capital Preservation • Private

Risk Parameters

Conservative (0.5%) Standard (1-2%) Aggressive (3%+)

Maximum Safe Quantity

0 Shares

Max Risk Amount

₹0

Risk Per Share

₹0

Total Exposure Available Capital
Exposure: ₹0 Used: 0%

Risk Reward (RR)

1 : 0

Potential Reward

₹0

Stop Loss Impact

₹0 Loss

Risk Status

Safe Trade

Professional traders rarely risk more than 1-2% of total capital per trade.

What is Position Sizing?

Position sizing is the most critical component of risk management in stock trading. It refers to the calculation of the exact number of shares or units an investor should purchase for a single trade based on their risk appetite and stop-loss level.

Most beginners focus on the "Target," but professional traders focus on the "Risk." By using a Position Size Calculator, you ensure that if a trade goes wrong (hits your stop loss), your loss is capped at a manageable percentage of your total trading capital—usually 1% or 2%.

The 1% Risk Rule Explained

The 1% rule is a basic risk management strategy used by many professional traders. It suggests that you should never risk more than 1% of your total account balance on any single trade.

Rule Example with ₹1 Lakh Capital

  • Trading Capital: ₹1,00,000
  • Risk %: 1% (₹1,000)
  • Stock Entry Price: ₹500
  • Stop Loss: ₹490 (Risk per share = ₹10)
  • Calculation: 1,000 / 10 = 100 Shares

Frequently Asked Questions

How much of my capital should I risk?
Most experts suggest the 1% rule. If your capital is ₹10 Lakh, your risk per trade should not exceed ₹10,000.
Can I trade without a stop loss?
Trading without a stop loss is gambling. A stop loss allows you to execute the position size math correctly and preserve your capital.
How does position sizing improve my trading psychology?
Position sizing removes the fear of a crash. When you know the exact maximum loss before entering, you are less likely to panic-sell during minor fluctuations, allowing your trade thesis time to work.
Should I use a different position size for Intraday vs Delivery?
Yes. Intraday trades usually have tighter stop losses, resulting in larger quantities. Delivery trades often have wider stop losses, meaning you buy fewer shares. However, the absolute rupee risk (e.g., 1% of capital) should remain the same.
Can position sizing help me reach my Crorepati goal faster?
Indirectly, yes. By preventing large drawdowns (losses) in your trading account, you allow your capital to compound steadily. Consistent safe wins are more effective for reaching a ₹1 Crore milestone than high-risk gambles.
What is the difference between Position Sizing and Diversification?
Position sizing manages the risk of a single trade based on your stop-loss. Diversification manages the risk of your entire portfolio by spreading capital across different sectors or assets. Both are essential for long-term survival.

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Disclaimer

Calculations provided are for educational purposes. Trading involves substantial risk. This tool does not provide trade signals. Consult a SEBI registered advisor.

Last Updated: March 2026