Stock Average Calculator
Calculate the average cost basis of your stock purchases. Enter up to three buy lots with price and share count to find the weighted average price.
How to Use the Stock Average Calculator
- Enter the price and number of shares for your first purchase.
- Enter additional purchases in the second and third lots (0 if unused).
- Click Calculate to see your average cost per share.
快速参考
| 从 | 到 |
|---|---|
| 100 @ $50 + 100 @ $40 | Avg $45.00 |
| 50 @ $100 + 150 @ $80 | Avg $85.00 |
| 200 @ $25 + 100 @ $30 | Avg $26.67 |
| Dollar-cost averaging | Reduces timing risk |
| Averaging down | Lowers break-even |
使用场景
- •Tracking cost basis after multiple stock purchases.
- •Evaluating dollar-cost averaging strategies.
- •Calculating break-even price for a stock position.
公式
Average Price = Total Cost / Total Shares. Total Cost = Σ(Price_i × Shares_i).
常见问题
What is dollar-cost averaging?
Buying a fixed dollar amount at regular intervals regardless of price, which naturally averages your cost.
Can I leave purchase lots blank?
Yes, enter 0 for price and shares in unused lots.
Is it free?
Yes, all calculators are completely free.