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

Input type

Quantity + buy 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).

Stock Average Price Calculator India – Detailed Guide

When you buy the same stock multiple times at different prices, your true cost per share becomes the weighted average of all your purchases. This stock average price calculator helps you compute that average quickly and see your profit or loss at the current price.

Why average stock price matters

Knowing your exact average buy price is critical for making exit decisions and planning further averaging. Without it, you may misjudge whether you are in profit or loss.

Averaging down vs averaging up

Averaging down means buying more when the price falls, reducing your average cost. Averaging up means adding to a winning position as the price rises, increasing your average cost but riding a strong trend.

Using this stock average calculator

Add one row for each buy transaction with quantity and buy price. Optionally enter the current market price to see your mark-to-market P&L.