calculatorplustools.com

Share Market Average Calculator

Calculate your exact average price per share after buying a stock multiple times at different prices.

Enter Your Trades

Number of Shares (Qty)
Purchase Price
Delete

Investment Summary

Enter your stock purchases and click calculate to view your average.

Understanding Stock Averaging

When you buy the same stock, crypto, or mutual fund multiple times at different prices, it can be difficult to know exactly what your break-even point is. This is where the Share Market Average Calculator becomes essential. It calculates the weighted average of your purchases to give you a single, unified cost basis per share.

If you are building a portfolio and want to calculate your potential future wealth based on regular investments, check out our SIP Calculator.

What is "Averaging Down"?

Averaging down is a popular investment strategy where an investor buys more shares of a stock after its price has dropped.

For example, if you buy 10 shares of a company at $100, your average cost is $100. If the stock drops to $50 and you buy 10 more shares, your new average cost per share becomes $75.

This strategy lowers your break-even point, meaning the stock doesn't have to rise all the way back to $100 for you to become profitable. However, it also means committing more capital to a declining asset.

The Mathematical Formula

The calculator uses a standard weighted mean formula to find your average share price:

Average Price = Total Amount Invested ÷ Total Shares

  • Total Amount Invested is found by multiplying the quantity by the price for each trade, and adding them all together.
  • Total Shares is simply the sum of all the quantities you purchased.