Wash Sale Rule Calculator
Check if a stock repurchase triggers the wash sale rule. See adjusted cost basis.
Wash Sale Triggered?
Yes
Disallowed Loss
$5,000.00
Adjusted Basis
$14,500.00
Wash Sale Analysis
| Days Between Sale and Repurchase | 10 days |
| Within 30-Day Window? | Yes — wash sale applies |
| Total Loss on Sale | $5,000.00 |
| Disallowed Loss | $5,000.00 |
| Currently Deductible Loss | $0.00 |
Adjusted Cost Basis
| Original Basis Per Share | $95.00 |
| Disallowed Loss Added | $50.00 |
| Adjusted Basis Per Share | $145.00 |
Alternative Strategies
| Wait 31+ days | Repurchase after wash sale window |
| Buy similar (not identical) fund | E.g., switch S&P 500 ETFs from SPY to VOO |
| Double up | Buy first, wait 31 days, then sell original |
| Harvest in tax-advantaged account | Buy replacement in IRA (different rules apply) |
Use the Wash Sale Rule Calculator above to calculate your results. Enter your values and see instant results — all calculations run in your browser.
Disclaimer: This calculator is for informational purposes only and does not constitute tax, financial, or legal advice. Results are estimates based on the information you provide and current rates. Always consult a qualified tax professional or financial advisor for advice specific to your situation.
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