Cross-account wash sale detection for stocks, options, and ETFs — local-first, IRS Pub 550 rules, with a tax-harvest planner and pre-trade simulator.
wash-alpha sits in PulseGate's Personal finance & budgeting category. It focuses on detecting and planning around wash sales across multiple brokerage accounts for tax optimization. It is built as an open-source project for individual investors. wash-alpha is open source under the MIT license. The product ships for the web and the command line, and it can be self-hosted.
Behind wash-alpha is chen-star, and the product first shipped in 2026. Development happens publicly on GitHub with 1.6k commits in the last 90 days. Key capabilities include wash sale detection, cross-account analysis, and tax-harvest planner.
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