🏛️ Politics
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The Knesset election on October 27, 2026 is seen as a referendum on Netanyahu's conduct since October 7, 2023. Current September 2026 polls (Jerusalem Post, i24NEWS) place Likud at ~27 seats (~22.5% of 120 seats) in one poll; the overall picture shows a near-tie between the Netanyahu bloc (~53 seats) and the opposition bloc (~53 seats). The 20.0% threshold corresponds to ~24 seats – below the current polling average, providing tolerance for moderate campaign-period decline.
🏛️ Politics
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The mid-September 2026 polling average (5 polls: Haaretz, Jerusalem Post, Channel 13, i24News, Direct Polls) shows Yashar at ~23.6 seats vs. Likud (Netanyahu) at ~21.8 seats. Channel 13 shows Yashar 22, Likud 19; i24News/Direct Polls shows Likud 27, Yashar 22. Both blocs (center-left ~53, right-wing ~52, latest Channel 13 poll) are nearly tied. No direct Polymarket listing for Yashar found. As the polling average sits above the 22-seat mark and Israeli swing voters in uncertain security environments traditionally lean toward centrist parties, Yashar is estimated at ~62% probability to reach at least 22 seats.
🏛️ Politics
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In Argentina's midterm elections (renewing half the lower chamber and a third of the Senate), polling institutes (Giacobbe, Zuban Córdoba) show La Libertad Avanza at 38–42% nationally. Support is underpinned by INDEC reporting CPI at only +2.5% MoM for July 2026 (vs. >25% MoM in early 2024) and Milei's approval ratings of 55–58% per Clarín/La Nación. The 35.0% threshold lies clearly below the polling midpoint; even with a typical 5–10 pp midterm slippage, LLA would still exceed 35%. No prediction market covers this event.
🏛️ Politics
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Brazil holds its presidential election on 4 October 2026 (round 1) and 25 October 2026 (runoff) per the official TSE calendar. Lula (PT) runs as incumbent (3rd term since January 2023). Bolsonaro is barred from office until 2030 by TSE ruling; the right wing will likely field a proxy candidate. Regional polls and aggregators give Lula ~50–58% win probability. Risks: approval ratings at ~40–44%, economic slowdown, fiscal deficit criticism.
🏛️ Politics
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The runoff race is extremely tight: Quaest (September 2, 2026) shows Lula 42% vs. Bolsonaro 41% — a statistical tie. AtlasIntel/Bloomberg shows Lula 49.2% vs. 42.9%. Neither Polymarket nor Kalshi have reliable runoff odds yet. Lula's structural advantage lies in broader coalition party support (PT network, approval of state social programs among low-income voters) and incumbency. Flávio Bolsonaro mobilizes his father Jair's network. The race remains open — a Lula counting result is marginally more likely than the opposite.
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Polymarket prices Lula at 56% and Flávio Bolsonaro at 40% for the runoff (as of September 5, 2026). This prediction builds on the existing open prediction that no candidate achieves an absolute first-round majority (October 4). Lula benefits from incumbency, social spending (Bolsa Família expansion), and a broader coalition (PT + centrists). Bolsonaro Jr. mobilises the loyal right but carries his father's legal baggage and the polarisation costs of the Bolsonarismo brand.
🏛️ Politics
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Lula's runoff victory over Flávio Bolsonaro is already logged as a separate platform prediction. This prediction sharpens the claim with a concrete threshold: more than 52.0% of valid votes. Lula benefits as the incumbent president from the strong PT mobilization machine, a dominant base in Brazil's northeast (typically >70% there), and popular social programs like Bolsa Família. In the 2022 runoff he won narrowly with 50.9%; in 2026 he faces the lesser-known son of Jair Bolsonaro as an established incumbent. AS/COA polls (September 2026) point to a wider margin.
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According to Polymarket (8 September 2026), the probability of Lula advancing to the runoff stands at 88–90% (open prediction). Lula leads Flávio Bolsonaro (PL) by 2–8 percentage points in late-August 2026 polls; runoff simulations show a close race within the margin of error (AS/COA Poll Tracker). As the incumbent, Lula benefits from state transfer programmes (Bolsa Família expansion) and has a structurally stable base in major cities and poorer north-eastern regions. Flávio Bolsonaro mobilises the conservative electorate more effectively than his father did in 2022, but trails Lula in runoff scenarios.
🏛️ Politics
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An existing Cassandra prediction forecasts that Lula leads the first round (October 4, 2026) with at least 45.0% and that a runoff becomes necessary. Historically, in Brazil, the first-round leader with such a margin has always won the runoff (2022: Lula over Bolsonaro 50.9%/49.1%; 2002: Lula over Serra 61.3%/38.7%). Lula benefits from his incumbent coalition and a fragmented opposition. No direct Polymarket market for the 2026 runoff outcome found (as of September 10, 2026); calibration based on historical patterns and current polling.
🏛️ Politics
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President Vučić dissolved parliament in September 2026 and called snap elections for 25 October 2026. SNS won the 2023 snap elections with 46.2%. Government-aligned polls (Faktor Plus, spring 2026) show the party at ~46%; independent institute CRTA estimates support at 35.7% (July 2026) — the first time since July 2010 that an opposition-friendly aggregate has led. Polymarket prices Vučić at 66.3% to become next Prime Minister. SNS controls state media and administrative resources, conferring structural campaign advantages; however, student protests and a strengthening opposition coalition are mounting pressure. Even if the independent CRTA estimate proves more accurate than party-aligned polls, a result above 40% remains likely — SNS historically stays above this threshold even under stress.
🏛️ Politics
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Polymarket gives 54% to Bolsonaro and 45% to Lula in the overall winner market (as of 17 Sept 2026). Runoff polls paint a near-perfect tie: Datafolha 46:44 for Lula, AtlasIntel 46.4:46.2 for Lula, PoderData 47:45 for Bolsonaro, Quaest 41:41. Polymarket capital weighting implies a slight right-wing mobilisation premium potentially underrepresented in traditional polling. Consistent with open Cassandra predictions: no first-round winner (>50%), Lula >37% and Bolsonaro >30% in Round 1, placing the runoff on 25 October.
🏛️ Politics
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Polymarket gives Lula a 61% win probability as of July 21, 2026 (market volume USD 114m). Recent polls (Bloomberg/BTG Pactual Nexus poll) show Lula and Flávio Bolsonaro tied at 46:46 in a simulated runoff — statistical dead heat within a 2% margin of error. Lula's Polymarket lead reflects a split opposition (Flávio 26.3%, other candidates ~12%) and incumbent advantage. Headwinds: Lula's age (80), ongoing Brazilian inflation concerns, and the Bolsonaro bloc's mobilisation potential. First round October 4; runoff if needed October 25.
🏛️ Politics
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The October 25 runoff is effectively a neck-and-neck race. Datafolha (September 15–17, 2026) shows Lula 46% vs. Flávio Bolsonaro 44% — within the ±2pp margin of error. Quaest (September 3–6) showed 41:41. AtlasIntel puts Bolsonaro narrowly ahead. In round one, Lula leads 39% to 36%. Historically in Brazil since 1994, the first-round leader has always won the runoff. Lula's incumbency advantage, left-coalition support and traditional PT base mobilization give him a structurally slight edge. Aggregated forecasts imply just above 50% for Lula — this is a high-uncertainty scenario. Bookmaker odds place Lula at ~52%.
🏛️ Politics
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President Vučić dissolved the Serbian parliament on September 9, 2026 (Balkan Insight); snap elections are set for October 25, 2026. The Vučić coalition achieved 48.06% in the December 2023 parliamentary election under the brand 'Aleksandar Vučić – Serbia Must Not Stop' (AV-SNSDS) (RIK Serbia). In Serbia, Vučić controls the dominant broadcast system (RTS), which structurally disadvantages opposition parties (OSCE-ODIHR election reports). The opposition movement 'Srbija se buni' remains fragmented; no powerful unified list was formed by candidate registration. No direct Polymarket or Kalshi odds available. Historical base rate (2022–2023: 46–48%) plus institutional advantage → probability for >40% approximately 70%.
🏛️ Politics
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Aggregated prediction markets (Polymarket/Edgex aggregate, as of September 2026) price Bolsonaro Jr. at 41% and Lula at 36% for overall election victory. Since the platform's open prediction forecasts Lula's first-round share at >42% (but <50%), a runoff on October 25 is near-certain. Normalized for the head-to-head: Bolsonaro Jr. ~53% vs. Lula ~47%. Quaest runoff polling (August 2026): Lula 43% vs. Bolsonaro Jr. 40% — within margin of error. Factors for Bolsonaro Jr.: right-wing runoff consolidation (2022 pattern), Lula approval below 40%, age factor (Lula, 80). Polymarket prices Bolsonaro Jr. at 41%.
🏛️ Politics
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Bulgaria holds a presidential election on October 25, 2026 under a two-round system: only an absolute majority (>50% of valid votes) prevents a runoff on November 1. Since the introduction of direct presidential elections in 1992, in 100% of all Bulgarian cases a runoff has been required — the multi-party system structurally precludes a first-round decision. Main candidates in 2026 per current reports are incumbent Iliana Iotova and opposition candidate Andrey Gyurov; polls show no candidate above 40%. No Polymarket market available; implied probability based on historical base rate: >90%.
🏛️ Politics
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Polymarket sees Lula and Flávio Bolsonaro tied at approximately 40% each in the first round (October 4), consistent with the open platform prediction of a runoff. Factors favouring Lula: incumbent governmental networks, proven PT coalition, Flávio Bolsonaro's weaker profile (less evangelical affinity, lower institutional anchorage than Jair). In 2022, Lula beat Jair Bolsonaro in the runoff 50.9% to 49.1%. Uncertainty remains: polarised electorate, ~30% evangelical bloc potentially mobilisable as a bloc. Own calibration: ~57%.
🏛️ Politics
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President Aleksandar Vučić called snap parliamentary elections in Serbia for October 25, 2026. The SNS has held government continuously since 2012 and most recently received 46.1% of the vote in December 2023. The 2025/26 student movement has mobilized the opposition and is expected to push the SNS vote share to ~35–42%, but no unified opposition bloc has emerged. No direct Polymarket market available; Metaculus assigns 59–87% to the structurally dominant incumbent bloc in US elections, serving as a general incumbency reference. The SNS winning the most seats is the base case; whether with an outright majority or needing coalition partners remains uncertain.
🏛️ Politics
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Since neither Lula (PT) nor the PL candidate reaches an absolute majority in the first round on October 4, 2026 (open prediction: runoff confirmed), the runoff is held on the last Sunday of October. Lula is the first-round frontrunner per the open Cassandra prediction. Historically, since 1994 every Brazilian first-round leader has also won the runoff. PT-aligned smaller parties will predominantly transfer their votes to Lula. Aggregate market probabilities on forecasting platforms imply approximately 65% for a Lula second-round victory. The prediction is explicitly conditional on the actual first-round outcome.
🏛️ Politics
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Serbia's snap election on October 25, 2026 takes place against the backdrop of the historically unprecedented 'Students in Blockade' civic movement, which has mobilized more than 2 million people since late 2024 — the largest protests in modern Serbian history. The latest Faktor Plus poll (September 16–20, 2026, n=986) shows SNS (Vučić) at 48.6% and the Student List at 37.1%, with 16% undecided. The combination of high polarization, diaspora mobilization, and young first-time voters is expected to exceed the previous record turnout of ~60% (2022). The student movement has explicitly targeted voter registration. No prediction market anchor; own estimate 55% based on structural mobilization analysis.