Tools chosen: polymarket_direct wikipedia claude_news gdelt_news polymarket_related kalshi_related code_execution

Sub-questions (Fermi decomposition)

Planner reasoning

This is a Polymarket question about whether United Russia wins the party-list plurality in every single federal subject in the September 2026 Duma election. The key empirical anchors are (a) the historical record — UR reportedly lost the party-list vote in at least one region (e.g., Sakha/Yakutia to the KPRF) in 2021 and in several regions in 2011 — and (b) the current political environment (tighter control, e-voting, annexed regions, KPRF weakness). I'll anchor on the market price, pull historical regional results from Wikipedia, and use news search for 2026 election context and polling.

# Current state Kalshi's own YES price for this exact ticker was not returned by any tool (kalshi_direct output absent); the only direct market data available is Polymarket's mirror of this same question, trading at 60% YES (down from a 79.5% high 30 days ago). The resolution hinges on a strict conjunction: United Russia must top the party-list vote in *every* federally-reported region in the September 20, 2026 Duma election — a bar UR has missed in the most recent precedent (2021, lost 4 regions) but met in 2016. # Timeline of key events - 2011-12-04 (confirmed): UR wins nationally (49.32%) but seat count drops sharply; multiple regions had close/lost pluralities amid the most competitive election of the three cited cycles. - 2016-09-18 (confirmed): UR wins ~54% nationally; no sourced evidence of any regional party-list loss — treated as a full sweep. - 2021-09-17/19 (confirmed): UR wins nationally (49.82%) but loses party-list plurality in 4 regions (Yakutia, Khabarovsk Krai, Nenets AO, Mari El) to KPRF; several more regions (Komi, Ulyanovsk, Kirov, Yaroslavl) were narrow near-misses. - 2025 (reported): Regional/local elections show UR vote rising (+929k vs 2020 in same regions) while KPRF vote falls (–148k); LDPR gaining as "clear second party" — Russian Election Monitor. - 2026-03 (reported): VTsIOM poll puts UR "declared support" at 31% / "estimated electoral support" 52%; KPRF and New People both far behind (~31-39% "would consider"). - 2026 (reported, PolitPro aggregate): UR ~45.2%, KPRF 13.8%, LDPR 13%, New People 10.5%, SRZP 5.9% — wide national lead. - 2026-07/08 (reported): Opposition/anti-war figures (Nadezhdin) arrested; Yabloko barred from ballot; anti-war party appeal rejected — signals tightened electoral control ahead of the vote. - 2026-08-10 (reported, Moscow Times): Analysts frame election as "for show" but still worth monitoring for regional variance. # Event Kalshi market: will United Russia's party list win a plurality in every federally-reporting region of the September 2026 Duma election? # Outcomes to forecast Yes / No # Kalshi market anchor No direct kalshi_direct price returned for this ticker in the research pulled. Best available anchor is the identical question mirrored on Polymarket: **60% YES**, having risen +7.5% over 7 days but down –19.5% over 30 days (range 52.5%–79.5%, $51.4k volume, thin/illiquid, 12 data points). Kalshi's own related-market scan found no matching Duma/UR ticker to cross-check. Treat 60% as the working consensus anchor with moderate confidence given thin liquidity and high volatility. # Sub-question answers 1. **2021 sweep or losses?** UR lost the party-list plurality in 4 regions (Yakutia, Khabarovsk Krai, Nenets AO, Mari El); narrowly held on in Komi/Ulyanovsk/Kirov/Yaroslavl. [claude_news/Meduza, OSW, Free Russia Foundation] 2. **2016/2011 regional losses?** No sourced evidence of any 2016 regional loss (treated as full sweep). 2011 is ambiguous — code_execution model assumes ~8 regional losses that year based on the more competitive pre-consolidation environment, but no named regions were sourced. [claude_news; code_execution] 3. **Weakest UR regions now?** Not directly identified for 2023-2025; historical weak spots (Khabarovsk, Yakutia, Nenets AO, Komi, Mari El, Yaroslavl) remain the natural watchlist, but 2025 regional elections show UR gaining and KPRF declining nationally, suggesting these strongholds may be less competitive than 2021. [Russian Election Monitor] 4. **Annexed oblasts included?** Not addressed by sources; election coverage doesn't mention Donetsk/Luhansk/Zaporizhzhia/Kherson party-list reporting specifics. Gap. 5. **2026 polling:** VTsIOM: UR "estimated electoral support" 52% (declared support 31%); PolitPro aggregate: UR 45.2%, KPRF 13.8%, LDPR 13%, New People 10.5%, SRZP 5.9% — UR dominant nationally. [WCIOM; PolitPro] 6. **Procedural changes since 2021?** Sources note continued/tightened opposition suppression (Yabloko barred, Nadezhdin arrested, anti-war party appeal rejected) but no explicit detail on remote e-voting expansion or multi-day voting changes for 2026. [gdelt_news/DW, globalsecurity.org] 7. **Number of regions reporting in 2026?** Not explicitly stated; historically ~85 (2021); unclear if annexed oblastregions raise this to ~89. [code_execution assumes ~89; gap in sourcing] # Key facts (high-confidence, factual) 1. [Wikipedia] UR won 49.32% (2011), ~54% (2016), 49.82% (2021) nationally — always the largest national vote share. 2. [claude_news/Meduza/OSW] 2021 is the only sourced instance of regional party-list losses (4 regions), first since the 2000s. 3. [Russian Election Monitor] 2025 regional elections: UR vote up, KPRF vote down vs 2020 baseline. 4. [WCIOM, PolitPro] 2026 polling shows UR far ahead nationally (45-52%) vs KPRF (~14%), a wider margin than 2021's ~31-point national gap. 5. [gdelt_news] Opposition/anti-war figures and parties (Nadezhdin, Yabloko) barred/arrested ahead of 2026 vote — tighter control than 2021. # Cross-market signals - Kalshi related: No directly matching ticker found; unrelated markets only. - Polymarket (same question): 60% YES, volatile, thin volume ($51k). - Polymarket related: "UR gains most seats" (a much easier bar) trades at 71.5% YES — consistent with UR being heavily favored overall but this doesn't require an every-region sweep. # Analyst opinions and speculation - New Eurasian Strategies Centre: UR "will retain constitutional majority" with high confidence given institutional advantages, but doesn't address regional sweep specifically. - code_execution Poisson model: point estimate 35-60% for full sweep depending on λ (expected # regions lost), leaning toward 50-80% under "consolidated control" assumption but flagging correlated regional risk (ethnic republics, Far East protest regions) as understated by independence assumption. - Moscow Times: election "is for show" but regional variance still worth watching — implies non-zero but low upset risk. # Directional lean per outcome - **Yes (sweep):** Supported by stronger 2026 national polling margin vs 2021, tighter opposition suppression, 2025 regional trend of UR gains/KPRF decline, and 2016 precedent of a clean sweep. - **No (at least one loss):** Supported by the 2021 precedent (4 losses) being the most recent and directly comparable data point, structural regional dissent hotspots (Far East, ethnic republics) that persist regardless of national polling, and conjunction math over ~85-89 regions making a zero-loss outcome fragile even at low per-region risk. # Gaps / unknowns - No live Kalshi YES price captured; relying on Polymarket proxy (risk of divergence). - No confirmation on annexed-oblast inclusion/reporting for 2026. - No specific 2025-2026 regional-level (not national) polling for historically weak UR regions. - Total number of reporting regions in 2026 unconfirmed (85 vs ~89). # Calibration anchors - Polymarket YES price for identical question: 60% (30d range 52.5-79.5%). - 2016: full sweep (0 losses); 2021: 4/85 regions lost (~4.7% of regions, but only 1 "no-loss" outcome for the aggregate). - Poisson sensitivity: λ=0.5 → 61% sweep probability; λ=1.0 → 37%; λ=2.0 → 14%.

1. Both forecasters anchor heavily on the thin, volatile Polymarket proxy (60% YES, $51k volume, 12 data points, 52.5–79.5% 30-day range) rather than flagging that this anchor itself may be mispriced given its stated volatility — neither meaningfully discounts for the possibility that Kalshi's own price (unavailable) could diverge significantly from this proxy, which is a real risk given "thin liquidity and high volatility." 2. Neither forecast grapples with the annexed-oblast gap in a probabilistic way: if Donetsk/Luhansk/Zaporizhzhia/Kherson report separately and are included in the "every region" count, this adds 4 more independent conjunction terms (~89 vs 85 regions) with unknown but plausibly non-trivial risk given wartime administrative chaos, yet both treat this only as background color rather than adjusting their point estimates. 3. Both largely accept the Poisson framing’s central tendency (λ=0.5-1.0 giving 37-61%) without seriously reconciling the fact that the *only two* comparable data points are 2016 (0/85 losses) and 2021 (4/85 losses) — a base rate of 1/2 clean sweeps in recent comparable cycles — which is far more informative than continuous polling extrapolation and arguably should pull estimates toward 50% rather than 58-61%. 4. Neither forecaster addresses why "smart voting" collapse and opposition suppression should reduce *correlated* regional risk specifically in ethnic republics/Far East (Yakutia, Khabarovsk, Nenets AO, Mari El) versus just suppressing turnout/opposition generally — the brief explicitly warns that "correlated regional risk... [is] understated by independence assumption," yet both largely use this correlated-risk point as a hedge rather than substantively lowering their Yes probability below the anchor. 5. Both forecasts sit close to each other (0.61 vs 0.58) and close to the Polymarket anchor (0.60), showing insufficient differentiation given that one explicitly says the anchor "argue[s] against treating it as highly authoritative" (Forecast 2) yet doesn't act on that skepticism by deviating more from 60%. 6. Neither forecast considers the scenario where the 2026 election is annulled, postponed, or results are contested/unclear before the close date (Sept 20, 2026), which given "opposition figures arrested," "anti-war party appeal rejected," and general wartime instability, could introduce ambiguous resolution risk not captured by a binary Yes/No sweep framing.

58% (48% confidence)

Yes: 58% No: 42%

With no Kalshi-direct price, the 60% Polymarket mirror is the only anchor, but its thin volume and 52.5–79.5% range justify only modest deference. The structural case for a sweep is real: UR polls 45–52% versus KPRF ~14%, 2025 regional elections showed UR vote up and KPRF down, Navalny-era 'smart voting' coordination (the main driver of the four 2021 regional losses) no longer exists, and opposition suppression is tighter than in 2021 — plus any separately reporting annexed oblasts would deliver overwhelming administrative margins rather than genuine risk. Against that, the base rate over the two comparable cycles is 1-of-2 clean sweeps, and the conjunction across ~85–89 regions is fragile: small, idiosyncratic or protest-prone units (Nenets AO, Khabarovsk, Yakutia, Mari El, Komi) carry correlated risk that Poisson independence understates, and near-misses in 2021 were numerous. Netting the improved environment against conjunction fragility and the critique's pull toward the 50% historical base rate, I settle just below the anchor at 0.58, essentially treating the added structural control as a real but not decisive edge.

Total pipeline time: 295.3s