Cost basis helper for DIY investors. Not brokerage advice.
Stock Average
Compute average buy price after multiple stock purchases (lots).
Average cost / share
$94.00
Break-even sell price (no fees) equals average cost.
Total shares25
Total cost$2,350.00
Break-even price$94.00
Steps
- Add lot quantities and prices
- Compute average
- Read cost basis
Related
FAQ
Are results official?
No—quick estimates only.
Is data saved?
No. Calculations run in your browser.