Taxation of prediction market earnings differs substantially across jurisdictions and hinges on variables such as trading volume, whether it constitutes your primary source of revenue, and how your country treats USDC-denominated transactions. This overview covers the principal regulatory frameworks — always seek guidance from a qualified tax advisor in your region before filing.
United States
- Most prediction market venues restrict access from US-based participants (Polymarket implements geographic blocking) — though blockchain-based participation remains technically possible
- The IRS classifies crypto holdings as tangible property; each USDC transaction may trigger a taxable event
- Earnings from prediction markets are generally treated as short-term capital gains (taxed at ordinary income rates if held under 12 months)
- Kalshi (CFTC-supervised) generates 1099 documentation; decentralised platforms do not — participants must self-report all gains
- Active traders may qualify for trader tax status eligibility (permitting mark-to-market accounting)
United Kingdom
- Potential gambling exemption: gains may be non-taxable if the activity qualifies as gambling under law
- Investment classification triggers capital gains tax: £3,000 annual exemption applies in 2026
- Trading conducted as a business is classified as income — National Insurance contributions may be due
- HMRC has not issued binding guidance on how prediction markets should be classified
Germany
- §23 EStG: private asset disposal gains under €600 annually are exempt
- USDC holdings maintained beyond 12 months: gains may be exempt under German Krypto-Steuerrecht
- Regular trading activity typically results in income tax classification
- Glücksspielgewinne (gaming proceeds) are ordinarily non-taxable — though prediction market status remains ambiguous
Australia
- The ATO categorises crypto as property: capital gains tax applies upon sale
- 50% CGT discount available for property held longer than 12 months
- Gaming proceeds are ordinarily non-taxable unless the participant is classified as a professional gambler
Best Practices Globally
- Export your full transaction ledger from PolyGram for use in tax filings
- Employ dedicated crypto tax platforms (Koinly, CoinTracking) to compute gains and losses
- Maintain comprehensive documentation of all USDC movements, including deposit and withdrawal activity
- Engage a tax professional with crypto expertise in your country
FAQ
- Does PolyGram report my earnings to tax authorities?
- PolyGram does not presently furnish tax documentation to participants. You bear sole responsibility for declaring prediction market gains according to your local tax code.
- Is USDC treated differently from volatile crypto for tax?
- Across most jurisdictions, USDC remains classified as a crypto asset subject to identical tax rules as BTC or ETH. Although its price stability streamlines gain computation, it does not alter the underlying tax framework.
- What records should I keep?
- Retain all transaction receipts containing the date, quantity, entry and exit prices, and final outcome. PolyGram supplies downloadable transaction records — retrieve these on a regular basis.