WashTax detects wash sales across all your accounts — including the ones your broker misses. Stop overpaying the IRS.
Sample analysis — example results
Built for active traders who refuse to overpay the IRS
Works with Schwab · Fidelity · Robinhood · E*TRADE · Interactive Brokers · Coinbase · Kraken
Most 1099-Bs don't account for cross-account wash sales or IRA interactions. That means you're likely overpaying.
$0
What brokers report for cross-account wash sales
They simply don't track them
100%
Of IRA wash sale losses that are permanently lost
Most traders don't know this
61 days
The danger window most traders don't fully track
30 days before + 30 days after
Three layers of protection that work together so you never overpay the IRS again.
Your Schwab 1099-B doesn't know about your Fidelity IRA. WashTax connects every account and flags wash sales your brokers can't see — including the permanently disallowed ones from IRA repurchases.
Detected across 2 accounts · Broker reported: $0
(example results)
What-If Checker
This trade would trigger a wash sale on your Dec 15 loss of -$890. The disallowed amount would be added to your new cost basis.
The what-if checker simulates every trade before you make it. Danger window calendars show exactly when it's safe to re-enter a position. No more guessing about the 61-day window.
Generate Form 8949 with wash sale adjustments already applied. Export Schedule D summaries, TXF files, and professional PDF reports your CPA will actually thank you for.
Generated Reports
All adjustments applied · Ready for e-file
(example results)
Upload your brokerage CSV and get a wash sale summary in seconds. No signup required.
Start free and upgrade when you need more. All plans include IRS-compliant wash sale detection.
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Every tax season, active traders overpay because of wash sales they didn't catch. It takes 2 minutes to find out if you're one of them.