Pronóstico: Which party will gain most seats in Russian Parliamentary Election?

Platform comparison

Market context

Legislative elections in Russia are scheduled for 18–20 September 2026, with 450 seats in the State Duma at stake. On Polymarket, this contract currently prices at 56% YES, implying the ruling party, United Russia, is the most likely to gain the greatest number of seats compared to its pre-election standing. The market resolves to the party with the highest seat increase, defaulting to "Other" if results are not definitive by 30 September 2027, or to the party with more valid votes in a tie.

Historically, United Russia has dominated Russian elections, securing 324 seats and 49.8% of the vote in 2021. Comparable cases show the ruling party consistently maintains a majority, with recent polls indicating 66.4% of seats for incumbent parties. While New People is the only party showing potential growth since 2021, its support varies significantly between VCIOM (13.4%) and FOM (6%), suggesting limited capacity to outpace United Russia in seat gains.

Traders should monitor Kremlin preparations for the 2026 election, including changes to single-mandate constituency boundaries, which authorities are adjusting ahead of the vote. Recent polling from PolitPro shows United Russia (YeR) leading at 46.1%, followed by LDPR at 13.6% and KPRF at 13.1%. Key catalysts include official campaign announcements, voter registration schedules, and any shifts in regional voting intentions, all of which could influence the final seat distribution. The on-chain mechanics use USDC on Polygon with conditional tokens, ensuring transparent settlement based on definitive election results.

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Methodology

We track Pronóstico: Which party will gain most seats in Russian Parliamentary Election? across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Polymarket Qué Es. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Polymarket Qué Es trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.