Which party will gain most seats in Russian Parliamentary Election?

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Active sub-markets

Market context

Legislative elections to the State Duma are scheduled for 18–20 September 2026, with 450 seats at stake in Russia’s ninth convocation. United Russia, the ruling party, currently holds 324 seats after winning 49.8% of the vote in 2021. The prediction market asks which party will gain the most seats compared to pre-election levels, with current crowd-implied probability at just 2% for the “Yes” outcome. On Polymarket, United Russia leads at 61%, followed by New People at 30%, reflecting divergent views on potential seat growth versus incumbency advantage.

Historically, Russian parliamentary elections have favoured United Russia, with minimal seat shifts for opposition parties. In 2021, United Russia retained dominance, while New People entered the Duma with only 13 seats. Polling data remains inconsistent: VCIOM places New People second at 13.4%, but FOM suggests they trail CPRF and LDPR at just 6%. This volatility mirrors past elections where official results diverged sharply from independent surveys, framing the 2% probability as a cautious bet against structural incumbency rather than a genuine expectation of opposition breakthrough.

Traders should monitor Kremlin preparations, including constituency boundary changes and candidate registrations, which could alter competitive dynamics. Recent reports note authorities adjusting single-mandate constituency borders ahead of the 2026 vote, a tactic previously used to suppress opposition performance [7]. Key catalysts include official candidate lists, early polling trends, and any shifts in United Russia’s internal cohesion. Platforms diverge here: Polymarket uses decimal odds with no KYC, while Kalshi requires identity verification and offers implied probability pricing. Fee structures also vary, with Polymarket charging 0.5% per trade versus Kalshi’s 1% cap, affecting net returns on long-term positions.

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Methodology

We read Which party will gain most seats in Russian Parliamentary Election? from four platform perspectives: Polymarket (on-chain CLOB), Kalshi (CFTC-regulated exchange), Betfair Exchange (sports book exchange), Smarkets (peer-to-peer betting exchange). Polymarket's live quote comes directly from the Polygon order book; the other three are listed with their platform attributes — fees, KYC, settlement currency, payment options — because a 1:1 contract comparison without API access would be guesswork.

Resolution & payout

Polymarket settles via UMA Optimistic Oracle on Polygon. A proposer posts the outcome with a bond, the two-hour window runs, then the smart contract pays USDC.

Kalshi settles USD through the CFTC-regulated clearinghouse — the cleanest variant, with heavier KYC. Betfair Exchange settles in account currency (GBP/EUR), net of 2-5% commission. Smarkets follows the same model as Betfair with a lower default 2% commission.

FAQ

Is this market available outside the US?

PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What does it cost to trade on PolyGram?

Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in minutes.

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.