For traders who already filed

Filed without your losses? You can still claim them.

You can amend the last three years. We rebuild them from your trades and show what each one could be worth.

Start my amendment
Free estimateRead-only importNo card

Still open to amend

  • 2023Open
  • 2024Open
  • 2025Open

Each one can claim up to $3,000 of loss against your other income.

How it works

Three steps, about a minute to start.

  1. Step 1

    Connect read-only

    Link Kalshi or Polymarket US. We can read your trades, nothing else.

  2. Step 2

    See each open year

    We rebuild every year you can still amend and show what it could be worth.

  3. Step 3

    Get the forms

    The forms for each year you change, for you or your preparer to file.

Know what you’re owed.

Free estimate for every open year in about a minute. No card.

Start my amendment