Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
67% | 33% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
67% | 33% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Market context
Yabloko is still legally participating in the 2026 State Duma race, but it is facing active legal pressure that could turn into an outright exclusion before the market’s September deadline. Reuters reported on 7 August that Russia’s Supreme Court will consider a lawsuit brought by the pro-Kremlin Rodina party seeking to bar Yabloko from the parliamentary vote, while Russian media said the hearing is due on 10 August.[4][5]
The current price looks consistent with a pattern in which Russian authorities often use technical or legal instruments to narrow opposition participation rather than announce a single broad ban. Yabloko has already had regional candidates blocked in St Petersburg over paperwork issues, even as the Central Election Commission cleared it for the nationwide Duma contest, and election-monitoring material says dozens of Yabloko members have been barred from running under post-2022 legal provisions.[3][1] There is also recent precedent for individual disqualifications feeding into wider party pressure: Yabloko leader Nikolai Rybakov was reported in December 2025 as ineligible for a year after an extremism-related conviction.[2][7]
For traders, the key catalyst is whether the Supreme Court or election authorities move from candidate-level restrictions to a party-level decision that would prevent Yabloko’s federal list from standing, since that is what settles this market. Watch for the 10 August court step, any formal registration rulings from the Central Election Commission, and whether Kremlin-linked pressure escalates into a suspension, deregistration, or extremism designation before 17 September.[4][5][13] On the on-chain side, the contract should trade as a simple USDC binary: spot direction in BTC or ETH matters mainly if broader risk appetite shifts, but the event itself is driven by legal headlines rather than macro beta.
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
UK Frequently Asked Questions
- Can I use Bitcoin directly?
- No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.
- How does UMA secure the resolution?
- The UMA Optimistic Oracle uses a bond system: a proposer posts a bond, a two-hour challenge window opens. On dispute the losing side forfeits the bond — financial incentive for honest resolution.
- Is Polymarket legal in the UK?
- Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
- Do I pay tax on prediction market profits in the UK?
- UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
- How do I deposit on Polymarket from the UK?
- UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
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