Which party will gain most seats in Russian Parliamentary Election?

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Active sub-markets

Market context

Legislative elections are scheduled for 18–20 September 2026 in Russia, with 450 seats in the State Duma at stake. United Russia currently holds 324 seats after winning 49.8% of the vote in 2021, making it the dominant ruling party. The prediction market asks which party will gain the most seats compared to before the election, with a current crowd-implied probability of just 2% for the “YES” outcome on any non-United Russia party. This low probability reflects United Russia’s entrenched position and historical continuity in Russian parliamentary politics.

Historically, Russian elections have seen minimal seat gains for opposition parties. In 2021, United Russia retained its majority while New People emerged as the only party showing potential for growth compared to 2021[3]. Polling remains inconsistent: VCIOM places New People second at 13.4%, while FOM ranks them third at 6%[3]. This divergence mirrors how platforms like Polymarket (decimal odds) and Kalshi (implied probability) frame risk differently, with Polymarket currently assigning United Russia a 61% chance and New People 30%[2]. Fee structures and KYC requirements also vary, affecting trader access and liquidity across these books.

Traders should monitor Kremlin preparations for the 2026 elections, including boundary changes in single-mandate constituencies that could alter seat distribution[9]. The election is Russia’s second major electoral event after the presidential vote, with official schedules expected to be confirmed by mid-2026[5]. Recent reports indicate authorities are adjusting constituency lines ahead of the vote, a move that could impact opposition performance[9]. As the settlement window ends 20 September 2026, real-time odds will shift based on campaign developments and official announcements.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page compares Which party will gain most seats in Russian Parliamentary Election? specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. Live odds come from the Polymarket order book; the other venues' contract details are maintained manually because their APIs aren't directly comparable. Every CTA routes to PolyGram, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). PolyGram routes every trade directly into Polymarket's on-chain settlement, which is why payouts land fastest.

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.

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.

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.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

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.