The IRS thinks you won
a lot more than you did.

One upload. Every defensible filing position, documented, so you and your preparer choose.

Two ways to get to your number
No notice — I want to know where I stand Run the free check on your year → Upload your exports — two minutes, in your browser. Free verdict, then unlock your session-based figures and a dashboard for the tax year you choose. Nothing renews automatically. The IRS already sent me a letter Run the free notice check → CP2000 or CP2501: upload the same records and build the response the notice actually calls for.
Lost $600 on the year · IRS was told: $28,500 · Defensible income: $12,400 — sample taxpayer, see the full report
The difference isn't the tax on gambling — with losses, that's often zero either way. It's the $16,100 that never enters AGI.
Your transaction files never leave your device — everything is parsed and computed in your browser. Your account stores only the computed session summary that fills your dashboard, and you can delete it.
Just exploring? Try it with sample data →
The Position Matrix
Same year. → Four ways to report it.
Download the full comparison (PDF) How the session method works →
Why now

Your tax position is forming now, not in April.

Know your position before the year closes.

Every session you play this year is already shaping the number you'll report. The IRS sees the wins it was told about. TaxBet shows what your full record supports, while there's still a year to get the record right.

It's accumulating. Reportable events happen when they happen; waiting until filing season doesn't pause them, it just hides them from you.
Records are easier to get now. Export while the account is active and the season is fresh. Find the missing platform or the gap in June, not the week before you file.
Time to prepare. Knowing the number early gives you and your tax professional months, not days, to prepare for what's owed.

Buy for the tax year you're in. Your access always runs through that year's April 15 filing deadline, and never less than 12 months.

Run your free check
How it works
Upload → redo the math → a number you can defend
1

Upload your exports

Upload a supported online sportsbook or iGaming export. TaxBet normalizes supported records into one session ledger. See supported platforms and get your records →

2

See a free directional result

Free: your session count, data coverage, and whether the available data may change your picture — counts and direction, never your dollar figures.

3

Unlock the workpaper

One payment unlocks documented session-based figures — wins, losses, net under the 90% cap — the workpaper, and a dashboard for the tax year you choose. Keep uploading; it keeps reconciling.

Why it matters
Losses lower your tax, not your AGIWinnings raise it before a single dollar of losses comes off. The child tax credit, Medicare premiums, the QBI deduction, ACA credits, and your state return all start from AGI.→ From 2026 only 90% of losses countA break-even year can owe tax. At gross, 10% of your W-2G total becomes taxable income even on a losing year. At session, 10% of a much smaller number.→ Matches outnumber audits two to oneThe IRS checks every W-2G against the return. A mismatch is a notice built on the gross figure.→ The clock starts when you do, not in April.Start whenever you like. One purchase covers one tax year's workpaper, and your access runs at least 12 months and always through that year's April 15 deadline.→When should I start? →

Built to hand to your CPA, not replace them: a read-only workpaper with every number traced to your data. TaxBet for CPAs →

Get your session-based figure — documented.

Upload your supported exports and start the free check in about two minutes.

Run the free check on your year → Build my notice response
Under IRS guidance and case law (Chief Counsel Advice AM 2008-011; Notice 2015-21, a proposed safe harbor; Shollenberger v. Commissioner; Park v. Commissioner), a casual gambler's income may be measured by session rather than by adding up Forms W-2G. TaxBet documents that computation for you and your tax professional to review.