The tax implications of prediction market earnings differ markedly across jurisdictions and hinge on several variables: how actively you trade, whether this constitutes your primary source of revenue, and your country's stance on USDC-denominated transactions. This overview outlines the principal regulatory frameworks — you should always seek guidance from a qualified tax adviser in your region before making decisions.
United States
- Most prediction market platforms enforce geographic restrictions preventing US-based access (Polymarket implements such blocks) — though direct blockchain participation remains technically available
- The IRS classifies digital assets as property; each USDC transaction may trigger a taxable realisation event
- Earnings from prediction markets are ordinarily taxed as short-term capital gains (at standard income tax rates for holdings under 12 months)
- Kalshi, being CFTC-regulated, generates 1099 documentation; decentralised platforms do not — individuals must report independently
- Those engaged in frequent trading may qualify for trader tax status, allowing mark-to-market election
United Kingdom
- A potential gambling exemption exists: returns may escape taxation if the activity qualifies as gambling under UK law
- Investment classification triggers capital gains tax: the annual exemption stands at £3,000 for 2026
- Income-generating trading activity is treated as professional income — National Insurance contributions may be due
- HMRC guidance on prediction market taxation remains inconclusive
Germany
- Under §23 EStG, private asset disposals yielding under €600 annually are exempt from tax
- USDC held beyond 12 months may qualify for exemption under German cryptocurrency tax law
- Active trading typically falls under income tax rather than capital gains treatment
- Glücksspielgewinne (gaming proceeds) customarily escape taxation — though prediction market classification remains ambiguous
Australia
- The ATO characterises digital assets as property: capital gains tax applies when you dispose of holdings
- A 50% reduction in capital gains tax is available for assets retained for more than 12 months
- Gambling returns ordinarily avoid taxation unless the individual qualifies as a professional gambler
Best Practices Globally
- Export your transaction ledger from PolyGram for use in tax filings
- Employ crypto tax calculation tools (Koinly, CoinTracking) to determine your gains and losses
- Maintain comprehensive documentation of every USDC movement, including conversions to and from fiat currency
- Engage a tax professional with expertise in cryptocurrency matters within your country
FAQ
- Does PolyGram report my earnings to tax authorities?
- PolyGram does not presently furnish tax documentation to account holders. You bear sole responsibility for declaring prediction market returns to the relevant tax authorities in your jurisdiction.
- Is USDC treated differently from volatile crypto for tax?
- Across most jurisdictions, USDC remains classified as a digital asset subject to identical taxation as Bitcoin or Ethereum. Although its price stability makes gain computation more straightforward, this does not alter the underlying tax framework.
- What records should I keep?
- Retain documentation for each transaction showing the date, quantity, entry and exit prices, and settlement outcome. PolyGram allows you to download your complete transaction history — save copies at regular intervals.