Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
56% | 44% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
56% | 44% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| United Russia (ER) | 56% |
| New People (NL) | 34% |
| Liberal Democratic Party of Russia (LDPR) | 7% |
| Communist Party of the Russian Federation (KPRF) | 2% |
| A Just Russia – For Truth (SRZP) | 0% |
| Rodina | 0% |
| Civic Platform (GP) | 0% |
| Other | 0% |
| Party A | 0% |
| Party B | 0% |
| Party C | 0% |
| Party D | 0% |
| Party E | 0% |
| Party F | 0% |
| Party G | 0% |
| Party H | 0% |
| Party I | 0% |
| Party J | 0% |
| Party K | 0% |
| Party L | 0% |
| Party M | 0% |
| Party N | 0% |
| Party O | 0% |
| Party P | 0% |
| Party Q | 0% |
| Party R | 0% |
| Party S | 0% |
| Party T | 0% |
| Party U | 0% |
| Party V | 0% |
| Party W | 0% |
| Party X | 0% |
| Party Y | 0% |
| Party Z | 0% |
Market context
Legislative elections to the State Duma are scheduled for 18–20 September 2026, with 450 seats at stake in Russia’s lower house of parliament. United Russia, the ruling party, currently holds 324 seats after securing 49.8% of the vote in 2021, and recent polling trends show it leading with 46.1% of support, followed by LDPR at 13.6% and KPRF at 13.1%[1][3]. The market’s 56% YES probability implies a strong expectation that United Russia will gain the most seats compared to its pre-election position, consistent with its historical dominance and current momentum.
Historically, Russian parliamentary elections have functioned as managed procedures designed to reinforce the incumbent regime rather than enable significant political change. The 2026 vote marks the final stage of the Kremlin’s current political transformation, completing the renewal of key power institutions while minimising the risk of unexpected public mobilisation[2]. Comparable cases from 2016 and 2021 show United Russia consistently gaining seats or maintaining a commanding majority, with New People emerging as the only party showing potential for growth since 2021, though still far behind United Russia in vote share[1][4].
Traders should monitor official announcements on constituency redrawing, particularly in regions like Saint Petersburg where new schemes have been approved, and the expansion of remote electronic voting across half the country[2]. Key dependencies include the Kremlin’s administrative efforts to reduce KPRF’s result while boosting United Russia’s performance, alongside the likely inclusion of around 20 war participants in the Duma to satisfy pro-war constituencies[2][4]. Recent polling data from PolitPro and VCIOM will be critical indicators of whether United Russia’s momentum continues or if New People’s response to voter irritants like internet blockings alters the trajectory[3][4].
Methodology
Sports-specific comparison page for Which party will gain most seats in Russian Parliamentary Election?. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
FAQ
- Are prediction markets better than sports betting?
- Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- What are live sports odds on Polymarket?
- Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.
- Which sports markets are available?
- Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.
- What's the difference between match odds and outright odds?
- Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.
Trade Which party will gain most seats in Russian Parliame… on Sport Prediction
Live order book, 0% fees, USDC settlement in seconds.
Open live market →