Scan: Will the Democrats win the Wisconsin governor race in 2026?

date	predicted	market price	confidence
2026-08-22	73%	78%	63%

1. Planner Opus 5

Tools chosen: polymarket_direct kalshi_related polymarket_related claude_news claude_news gdelt_news wikipedia code_execution

Sub-questions (Fermi decomposition)

What is the current Polymarket price (and its 90-day trend) for Democrats winning the 2026 Wisconsin governor race?
Does Kalshi or another venue price the same race differently, and by how much?
Who are the leading declared Democratic and Republican candidates (e.g., Rodriguez, Crowley, Roys vs. Tiffany, Berrien), and has either field consolidated or cleared?
What do early general-election polls of the 2026 Wisconsin governor race show, and what is the current generic-ballot / presidential approval environment heading into the midterm?
What is the historical base rate for the out-party (non-presidential party) winning open-seat governorships in swing states during midterms, and Wisconsin's recent statewide election margins (2018-2025, including the 2025 Supreme Court race)?
Are there any legal, ballot-access, or third-party/independent complications (e.g., a significant independent candidate) that could affect resolution?

Planner reasoning

This is a Polymarket-sourced 2026 open-seat gubernatorial race (Evers retiring), so the Polymarket price is the primary anchor, cross-checked against Kalshi. Key drivers are Wisconsin's partisan lean, midterm environment under a Republican president, primary field quality on both sides, and any early general-election polling. Research should gather price, news on the candidate fields, and comparable governor-race markets.

2. Research

tool	status	time	items	summary
polymarket_direct	OK	0.3s	1	## This Market's Polymarket Data Will the Democrats win the Wisconsin governor race in 2026? - Current price (probability): 80.50% - 7-day price change: +0.00% - 30-day price change: +25.00% - Total volume: $270,710 (USD notional) - Price range: 39.50% - 82.00% - Data points: 90 days
kalshi_related	OK	2.6s	2	2 related markets / summaries. keyword 'Wisconsin governor': ok \| keyword 'governor 2026': ok
polymarket_related	OK	0.3s	0	Scanned 100 active Polymarket markets, kept 0 matches. keyword 'Wisconsin governor': 0 markets \| keyword 'governor 2026': 0 markets \| keyword 'Wisconsin Senate 2026': 0 markets
claude_news	OK	19.9s	9	Based on my research, here are key findings on the 2026 Wisconsin governor race: - Primary is over: In a chaotic Democratic primary marked by candidates dropping in and out, the Associated Press called the race at 2:34 a.m. Wednesday after Hong conceded, with 98% of the ballots counted as Crow
claude_news	OK	20.7s	17	## Findings Wisconsin Governor Race Specifics - Democratic Gov. Tony Evers is retiring; Evers declined to seek re-election, announcing in July 2025 he would not seek a third term . This is widely seen as a tossup race due to Evers' retirement and the state's even partisan lean (Wikipedia). -
gdelt_news	OK	64.2s	0	GDELT: 0 articles across 2 queries (lookback=60d). 'Wisconsin governor 2026 poll': error HTTPSConnectionPool(host='api.gdeltproject.org', port=443): Read timed out. (read timeout=30) \| 'Wisconsin gubernatorial candidate 2026': error HTTPSConnectionPool(host='api.gdeltproject.org', port=443): Read ti
wikipedia	OK	0.4s	4	Fetched 4 Wikipedia entries (0 missing pages).
code_execution	OK	54.7s	0	## Quantitative Findings: WI Governor 2026 (Democrat Win) Historical base rates (midterm gubernatorial races since 1990): - Wisconsin, all midterms (1990–2022, n=9): party opposing the sitting president won 7/9 = 77.8% of the time — strong evidence of thermostatic midterm backlash even

3. Evidence Brief Sonnet 5, 6860 chars

# Current state The Wisconsin Democratic primary concluded Aug 11-12, 2026, with David Crowley narrowly defeating Francesca Hong (39.8% to 39.4%); Crowley now faces Republican nominee Tom Tiffany (Trump-endorsed) in the Nov. 3, 2026 general election. This market resolves on AP/Fox/NBC race call or official certification — no such call exists yet; current pricing reflects pre-election forecasting, not a resolved outcome. # Timeline of key events - 2025-07: Gov. Tony Evers announces he will not seek a third term, opening the seat (confirmed — Wikipedia). - 2026-07 (early): David Crowley drops out of primary, endorses Sara Rodriguez (confirmed — FOX6). - 2026-07 (~1 week later): Rodriguez campaign collapses over financial issues; Crowley re-enters race with Evers' endorsement (confirmed — FOX6, Wikipedia). - 2026-08-11: Democratic and Republican primaries held; Tiffany wins GOP nomination easily (confirmed). - 2026-08-12/13: AP calls Democratic primary for Crowley (39.8%) over Hong (39.4%), margin ~3,200 votes, after Hong concedes; recount discussed as possible given closeness (confirmed — Wisconsin Examiner, Prediction Edge). - 2026-08 (mid): Post-primary unity breakfast in Middleton with Baldwin, Pocan, Kaul, losing primary candidates, Crowley, and LG nominee Godlewski (confirmed — Wisconsin Watch). - 2026-08-18: TIPP Insights poll shows Crowley 47%, Tiffany 43% (reported). - 2026-08 (late): Wisconsin Watch/other poll shows Crowley with "slight edge" over Tiffany (reported); Pollsmax aggregate shows razor-thin ~D+0.4 to D+0.9 (reported, model-based, not a single poll). # Event Will the Democratic nominee (David Crowley) win the 2026 Wisconsin gubernatorial election against Republican Tom Tiffany? # Outcomes to forecast - Yes (Democrat/Crowley wins) - No (Republican/Tiffany or other wins) # Kalshi market anchor No Kalshi price was returned for this specific ticker in the tool output (kalshi_direct data not present in raw research — only "kalshi_related" markets for WV/MO 2028 governor, which are irrelevant). Treat Polymarket as the best available cross-market anchor: **80.5% YES**, flat over 7 days, +25pts over 30 days, range 39.5%–82% over 90 days, $270,710 total volume. This is a notable premium over polling-based models (~55-58%), suggesting Polymarket may be pricing in structural/environmental factors beyond the polling. # Sub-question answers 1. **Polymarket price/trend** — 80.5% YES currently; up 25pts in 30 days (from ~55.5%), essentially flat over 7 days; 90-day range 39.5–82% [polymarket_direct]. 2. **Kalshi vs. other venues** — No direct Kalshi price found for this ticker; only unrelated WV/MO 2028 governor markets returned [kalshi_related]. Gap: cannot directly compare Kalshi pricing. 3. **Candidates/consolidation** — Democratic field consolidated after chaotic primary: Crowley (Milwaukee County exec) beat Hong 39.8%-39.4% on 2026-08-11, following Rodriguez's withdrawal and his own brief exit/re-entry [Wikipedia, Wisconsin Examiner, FOX6]. GOP field cleared early for Tiffany (Trump-endorsed, no serious primary opposition) [NBC News, Wikipedia]. 4. **Polls/national environment** — TIPP (Aug 18): Crowley 47%–Tiffany 43%; Pollsmax aggregate: D+0.4 to D+0.9, rated "Tilt Democratic," 54.5% Crowley win probability [Prediction Edge, Pollsmax]. National environment favors Democrats: generic ballot D+6.4 (RCP) to D+6 (DDHQ); Trump approval at 33-39%, historically weak for a midterm year [claude_news]. 5. **Historical base rates** — WI midterms 1990-2022: opposition-to-president party won 7/9 (77.8%); open-seat midterms in WI: 2/2 (100%); comparable swing-state open-seat midterms: 16/18 (88.9%) [code_execution]. Direction depends on which party holds presidency (currently Republican/Trump), which favors Democrats in 2026 per this base rate. 2025 WI Supreme Court race and 2018-2024 statewide margins not directly detailed in research (gap). 6. **Legal/ballot/independent complications** — Recount risk flagged due to extremely close Democratic primary margin (~3,200 votes) [Prediction Edge], but this affects the Democratic nominee identity, already resolved by AP call, not the general election structure. No significant independent/third-party candidate reported. # Key facts (high-confidence, factual) 1. [Wikipedia] Crowley (D) and Tiffany (R) are the confirmed nominees; primary held Aug 11, 2026. 2. [Wikipedia] Evers not seeking re-election — first open WI governor seat since 2010. 3. [claude_news] WI is 1 of 5 Dem-held governorships in Trump-won (2024) states up in 2026. 4. [code_execution] Historical base rate strongly favors out-party (Democrats, given GOP presidency) in open-seat midterms (88-100% in comparable samples). 5. [Polymarket] 80.5% YES, up sharply (+25pts) in past 30 days. # Cross-market signals - Kalshi related: No matching WI market found; irrelevant WV/MO 2028 GOP governor markets only. - Polymarket: 80.5% YES, high volume ($270k), strong recent upward momentum. - Sportsbook implied: None found. - Model-based forecast (Pollsmax): ~54.5% Crowley win probability — substantially lower than Polymarket's 80.5%. # Analyst opinions and speculation - GOP strategist: Crowley may be tougher for Tiffany to attack than Hong would have been [Wisconsin Watch]. - Tiffany aims to raise $30-40M to compete [claude_news]. - Prediction Edge notes recount risk could keep race "volatile" near-term but doesn't change fundamental dynamics. # Directional lean per outcome - **Yes (Dem/Crowley)**: Favorable national environment (generic ballot D+6, weak Trump approval), historical open-seat midterm base rate (88-100% opposition party), early post-primary poll edge (47-43), Polymarket pricing at 80.5%. - **No (Rep/Tiffany)**: Race is structurally close per polling aggregates (D+0.4 to D+0.9, near toss-up), Trump endorsement and fundraising strength, WI's historically razor-thin statewide margins, large gap between polling-implied (~55-58%) and Polymarket price (80.5%) suggests possible overpricing/thin-liquidity distortion. # Gaps / unknowns - No direct Kalshi price for this ticker was retrieved — cannot state the actual consensus to beat with certainty. - 2025 WI Supreme Court race margin and detailed 2018-2024 WI statewide election margins not surfaced in research. - Cook Political Report/Sabato Crystal Ball official ratings not found. - Reason for Polymarket's 25-point jump in 30 days not explained in research (could reflect primary resolution reducing chaos-risk, not necessarily general-election fundamentals). # Calibration anchors - Polymarket YES price (anchor): 80.5% - Polling-model implied (Pollsmax): ~54.5-58% - Historical base rate (open-seat midterm, opposition party): 88-100% - Wisconsin recent statewide races historically decided by 1-4 points (Evers won by 1.1% in 2018, 3.4% in 2022) — implies continued closeness likely.

4. Forecasters Opus 5 + GPT-5.6 Sol, in parallel

claude-opus-5

50% conf

Yes	74%
No	26%

Polymarket is the only usable market anchor at 80.5% YES (high volume, +25pts over 30 days after the chaotic primary resolved), while polling-based models (Pollsmax D+0.4 to D+0.9, ~54.5% Crowley) sit far lower — the truth likely lies between, given Wisconsin's history of 1-4 point statewide margins. Fundamentals lean Democratic: generic ballot D+6, Trump approval 33-39%, and open-seat midterm base rates where the out-party wins 88-100% in comparable swing-state samples, plus an early TIPP poll showing Crowley 47-43. Offsetting that, Tiffany has Trump's endorsement and a $30-40M target, and Crowley emerged from a messy primary (39.8% plurality, Rodriguez collapse) with untested statewide appeal, so a several-point tightening is plausible. I discount modestly from the Polymarket anchor toward the polling models, landing near 0.74.

gpt-5.6-sol

67% conf

Yes	72%
No	28%

With no direct Kalshi price available, the best market anchor is Polymarket at 80.5% YES, whose sharp unexplained rise warrants some discount. Crowley's 47%-43% TIPP lead and smaller D+0.4 to D+0.9 polling-average edge point toward Yes, though they suggest a substantially closer race than the market price. Democrats also benefit from a D+6 national environment, weak Trump approval, and strong historical out-party performance in open-seat midterms. I therefore favor Crowley but remain below Polymarket because Wisconsin is highly competitive and the polling model assigns him only about a 55% chance.

5. Devil's Advocate Sonnet 5

Both forecasters anchor heavily on Polymarket (80.5%) despite the brief explicitly flagging that its 25-point jump is "unexplained" and could reflect reduced chaos-risk post-primary rather than genuine electoral fundamentals; neither forecast seriously entertains that Polymarket may be a poor/thin-liquidity anchor rather than a signal to blend toward, yet both land at 72-74%, essentially splitting the difference without justifying why that specific weighting (vs. e.g. 60/40 toward the polling model) is correct.

Neither forecast adequately grapples with the historical base rate that WI statewide races are decided by 1-4 points (Evers +1.1% in 2018, +3.4% in 2022) — this is a strong signal that the "true" win probability should be much closer to a coin flip than 72-74%, since razor-thin margins imply high variance/toss-up dynamics rather than blowout-implying win probabilities.

Both forecasts nearly ignore the recount risk and Crowley's weak primary performance (39.8% plurality, losing/rejoining the race, Rodriguez collapse) as evidence of a structurally unconsolidated Democratic coalition — this could suppress turnout/enthusiasm relative to a clean nominee, a downside risk that isn't reflected in either probability.

Neither forecaster explains why they discount the Pollsmax model (54.5%) so heavily rather than treating it as the more rigorous, poll-aggregated estimate compared to a single betting market with unexplained momentum and modest volume ($270k) — this is a reference-class error, effectively over-weighting a thinly-traded prediction market over a fundamentals/polling model.

Both forecasts converge suspiciously close together (0.74 vs 0.72) despite claiming different reasoning paths and confidence levels (0.50 vs 0.67) — this convergence suggests anchoring bias on Polymarket rather than independent synthesis, and neither explores a scenario where Tiffany's $30-40M fundraising target and Trump endorsement could flip late-breaking dynamics in a genuinely close race.

Neither forecaster mentions the "cannot state the actual consensus to beat with certainty" gap regarding the missing Kalshi price — both should have flagged more explicitly that they are guessing at what the market they're forecasting for is currently pricing, which is a meaningful blind spot for a Kalshi-anchored calibration exercise.

6. Aggregator Opus 5

74% (58% confidence)

Yes: 74% No: 26%

Polymarket at 80.5% on $270k volume is the only tradable anchor, and its post-primary jump plausibly reflects genuine resolution of nominee-chaos risk rather than noise, so it deserves real weight — but the polling aggregate (D+0.4 to D+0.9, ~55%) and Wisconsin's chronic 1-4 point statewide margins argue for a discount. The critique's claim that close margins imply near-coin-flip probabilities is only partly right: what matters is the expected margin relative to variance, and a D+6 generic ballot, Trump approval in the 30s, and an 88-100% out-party win rate in comparable open-seat swing-state midterms shift the expected margin several points toward Crowley, supporting a probability well above 55%. Offsetting downside: Crowley won a 39.8% plurality after a chaotic Rodriguez collapse, is untested statewide, and Tiffany has Trump's endorsement plus a $30-40M target, so late consolidation of Republican-leaning voters is a live path to No. Blending the market anchor, fundamentals base rate, and the softer polling model — while acknowledging the missing Kalshi price leaves consensus uncertain — I land at 0.74, consistent with both forecasters but reached with explicit weighting rather than mechanical splitting.

Pipeline Timing

Total pipeline time: 145.3s

Per-tool research timings shown in the Research section above.