1099-DA Reconciliation

2025 is Form 1099-DA's first year, and brokers often report gross proceeds with no cost basis. See what your exchange didn't report, and fill the gap from your own on-chain history.

Reconcile your 1099-DA

Your 1099-DA never leaves your browser as a file. We only send the disposal rows you upload (asset, dates, amounts) to match against your own on-chain history.

Address(es), comma or newline separated

Start date (optional)

End date (optional)

Your 1099-DA CSV