📈 Stock & Crypto Average Down Calculator
Calculate your average cost basis per share across multiple stock or cryptocurrency buy orders. Find out your true breakeven price instantly.
Free No Signup Required Browser-Based
Stock & Crypto Purchase Orders
$15000.00
$6000.00
Weighted Average Cost Basis Per Share
$140.00
Total Position: 150 shares • Total Cost: $21,000.00
How to Use Stock & Crypto Average Down Calculator
- Add each buy order with its number of shares and purchase price
- Click + Add Purchase Lot to record subsequent dip purchases
- Instantly view your total shares, total invested capital, and weighted average price per share
📖 Technical Encyclopedia & Standards Reference
Calculate your average cost basis per share across multiple stock or cryptocurrency buy orders. Find out your true breakeven price instantly. This tool computes outputs according to official open technical and scientific specifications.
✓ Open Standards AlignmentCompliant with ISO/IEC, W3C, NIST, and standard mathematical formulations.
✓ 100% Client-Side / SecureZero server logging. Computations execute entirely in your local browser sandbox.
Explore more formulas in our Tools Encyclopedia & Glossary →
Frequently Asked Questions
What is averaging down in stock investing?
Averaging down involves purchasing additional shares of a stock after its price drops, lowering your overall average cost per share and lowering your breakeven price.
How is weighted average cost per share calculated?
Average Cost = (Total Capital Invested across all purchase lots) / (Total Number of Shares Owned).