Input type
Stock Portfolio Tool
Stock average price calculator
Add multiple stock purchase lots with quantity and buy price. Instantly calculate your average cost per share, total invested, and current P&L.
Multiple buy lots
Average cost
P&L at current price
Best for
Stock averaging
Output
Avg price + P&L
Enter stock lots
Add each buy transaction with quantity and purchase price per share.
How to use
- Add one row per buy transaction.
- Optionally enter current market price to see P&L.
- Useful when you buy the same stock at different prices (averaging down or up).
Why calculate average stock price?
When you buy a stock at different prices, the average price tells you the exact level at which you are profitable. It is essential to plan your sell strategy or further averaging.
About Stock Averaging
Stock averaging (buying more shares when price falls) lowers your average cost. This can be a strategic move but also increases risk if the stock continues to fall.
Averaging down
Buying more shares when the price drops reduces average cost but increases exposure. Works well for fundamentally strong stocks in temporary downturns.
Averaging up
Buying more when price rises (pyramid long) confirms trend strength. Higher average cost but confirms business momentum and sector tailwinds.
Break-even price
Your average price is your break-even. Any sale above this price results in profit. Factor in brokerage and STT for precise break-even calculation.
Caution
Averaging a falling stock without revalidating fundamentals is risky. Always review business health before committing more capital to a losing position.