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Will the Democratic party win the governorship in Wisconsin

GOVPARTYWI-26-D · Elections · 2026-04-25
72%
Agent
80%
Market Price
-8.0%
Edge
50%
Confidence
Volume: 18,974
Spread: 3.0c
Days to resolution: 556
Markets in event: 2
Final Rationale
My independent estimate of 62% was anchored to base rates for open-seat WI gubernatorial races and a 50% baseline for SQ2, but the Devil's Advocate correctly identified that I double-counted the crowded D primary as a negative (it more plausibly signals bench depth) and set too high a bar in SQ2 — in a wave environment, 'adequate' nominees win, not just exceptional ones. I also under-weighted the convergence of D-favorable signals in SQ3 (VA/NJ sweeps, Trump unpopularity, Iran war, affordability) which collectively support 78-85%, not 72%. I accept these critiques and revise to 72%, which reflects WI's swing-state structure plus a genuinely favorable midterm environment, while still discounting the market's 80% given open-seat uncertainty and the fact that the market's recent surge appears partially driven by national vibes rather than WI-specific candidate consolidation that hasn't yet occurred.
Price vs. prediction
How the market moved after the agent's call. Solid blue line is the actual market price; dashed line is the agent's static forecast at $t{=}0$.
$n = 58$ follow-ups
1. Planner Opus · Fermi decomposition + tool plan
Tools chosen: article_search web_search kalshi_data kalshi_orderbook wikipedia_lookup code_execution
Sub-questions (Fermi decomposition)
  1. Is the structural/baseline environment in Wisconsin favorable to Democrats winning the governorship in 2026, based on historical voting patterns and current registration data? (w=0.25)
  2. Will the Democratic candidate in the 2026 Wisconsin gubernatorial race be a strong incumbent or well-positioned candidate (e.g., Tony Evers running again or a strong successor)? (w=0.25)
  3. Will the national political environment (presidential approval, economic conditions, midterm dynamics) favor Democrats in the 2026 cycle? (w=0.30)
  4. Will Democrats outperform Republicans in Wisconsin fundraising and organizing capacity for the 2026 gubernatorial race? (w=0.20)
Planner reasoning
Wisconsin is a classic swing state that has elected Democratic governors in 2018 and 2022 (Tony Evers), but has a competitive political environment. Key factors to analyze: 1. **Incumbent dynamics**: Tony Evers (D) won in 2018 and 2022. Whether he runs again in 2026 is critical — incumbents who seek reelection win ~75% of gubernatorial races. If Evers doesn't run, an open seat contest shifts the dynamics somewhat. 2. **Midterm wave dynamics**: 2026 is a midterm year under President Trump (R). Historically, the opposition party (Democrats) tends to benefit in midterm elections, both in Congress and in governorships. This structural advantage could boost Democratic chances. 3. **Wisconsin's split-ticket history**: Wisconsin has consistently elected Democratic governors while splitting presidential votes (Trump won WI in 2016, Biden in 2020, Trump again in 2024). Voters here show willingness to split tickets, meaning gubernatorial races are not tightly tied to presidential performance. 4. **Reference class**: Wisconsin has elected a Democrat in 4 of the last 6 gubernatorial elections. In midterm years specifically, it's gone D in 2006, 2018, 2022, and R in 2010, 2014 — giving Democrats a slight edge in midterm cycles. 5. **Temporal sequence for resolution**: The primary will occur in August 2026, with the general election in November 2026, and inauguration in January 2027 (resolving before the Nov 2027 close date). 556 days until resolution gives plenty of time for candidate emergence, primary competition, and general election campaigning. The key near-term event is whether Evers announces his candidacy (or not) and who emerges on the Republican side. 6. **National environment**: Trump's approval ratings and economic conditions in 2026 will significantly shape the environment. If the economy is struggling or Trump is unpopular, Democrats benefit down-ballot. The question is effectively: given a competitive swing state with a Democratic incumbent, midterm dynamics favoring Democrats, will Wisconsin elect a Democratic governor? The prior here is moderately favorable to Democrats.
2. Research Parallel tool calls · legacy v2
ToolStatusTimeItemsSummary
article_search OK 0.7s -
web_search OK 63.1s -
kalshi_data OK 3.6s -
kalshi_orderbook OK 0.2s -
wikipedia_lookup OK 1.8s -
code_execution OK 0.0s -
3. Evidence Synthesis Sonnet · 22 items · legacy v2
#StrengthCredibilityDirectionSourceClaimPriced In
1 STRONG 85 ↑ UP code_execution Democrats have won 5 of the last 10 Wisconsin gubernatorial elections (50% base rate), with midterm-year results showing D wins in 2022, 2018, 2006, 2002 and R wins in 2014, 2010 — giving Democrats a slight midterm edge. Yes
2 STRONG 90 ↑ UP wikipedia_lookup Tony Evers (D) has been Wisconsin governor since 2019 and won reelection in both 2018 and 2022, demonstrating sustained Democratic competitiveness in gubernatorial races despite Wisconsin being a swing state in presidential contests. Yes
3 STRONG 82 ↑ UP article_search Wisconsin shows strong split-ticket voting patterns: voters elected Democratic governors in 2018 and 2022 while supporting Trump for president in 2016 and 2024, indicating gubernatorial races are not tightly tied to presidential preferences. Yes
4 STRONG 72 ↑ UP kalshi_data Prediction market (Kalshi) prices Democratic Wisconsin gubernatorial win at 80%, up 10 points over the past 30 days, suggesting informed bettors view Democrats as strong favorites. No
5 MODERATE 78 ↑ UP article_search Robin Vos, the long-time Wisconsin Republican Assembly Speaker, announced retirement in February 2026, removing a key GOP organizational leader from the state political landscape ahead of the 2026 elections. Yes
6 STRONG 85 NEUTRAL web_search Tony Evers is retiring and not seeking a third term; Democrats have a sprawling field of at least 10 candidates including Lt. Gov. Sara Rodriguez, former Lt. Gov. Mandela Barnes, Milwaukee County Executive David Crowley, and state Sen. Kelda Roys. No
7 MODERATE 75 NEUTRAL web_search The Democratic field is large (10+ candidates) vs. just 2 Republicans, indicating strong Democratic enthusiasm but also risk of a fractured primary that could produce a weaker general election candidate. No
8 MODERATE 75 NEUTRAL web_search Mandela Barnes, who lost Wisconsin's 2022 Senate race to Ron Johnson by only 1 percentage point, is among the Democratic candidates — a well-known candidate with existing statewide infrastructure but a recent general election loss. No
9 MODERATE 75 ↑ UP web_search Sara Rodriguez, the incumbent Lt. Governor and a former nurse/healthcare executive, is running — she has statewide name recognition from serving with Evers and represents continuity with the current administration. No
10 MODERATE 70 NEUTRAL article_search As of March 2026, Tony Evers was still signing legislation as governor (e.g., a sports betting bill contingent on his signature), confirming he remains in office but evidence does not confirm whether he is running for a third term. Yes
11 MODERATE 72 ↓ DOWN web_search The Republican field has only 2 candidates compared to 10+ Democrats, suggesting Republicans may have a more unified and focused primary process giving their eventual nominee a potential organizational advantage. No
12 STRONG 85 ↑ UP article_search Democrats swept key elections in November 2025 (Virginia, New Jersey) with analysts attributing the wins to a strong anti-Trump sentiment; Spanberger won Virginia governor's race by double digits — a significant early midterm indicator. Yes
13 STRONG 78 ↑ UP article_search As of April 2026, an unpopular war with Iran and 'stubborn affordability issues' have shifted the political environment toward Democrats, with CBS polling showing more voters preferring Democratic control of Congress. No
14 STRONG 80 ↑ UP article_search Analysis from November 2025 found that Trump disapprovers vote for the opposing party at a higher rate than any other recent president, suggesting a uniquely strong anti-Trump effect that could persist through 2026. Yes
15 MODERATE 70 ↑ UP article_search Democrats are described in April 2026 as 'poised for major election gains' in the midterm cycle, with analysts noting improved prospects even in purple and red-leaning states. No
16 STRONG 85 ↑ UP article_search Historically, the opposition party to the sitting president tends to outperform in midterm elections; with Trump as president, Democrats are structurally advantaged in the 2026 cycle. Yes
17 MODERATE 65 ↓ DOWN article_search Trump is attempting to 'nationalize' the 2026 elections and change election administration rules, though constitutional experts and election officials say federal authority over state elections is limited — adding uncertainty about voter suppression efforts. Yes
18 MODERATE 75 ↑ UP article_search Wisconsin Republicans face internal challenges: Robin Vos retiring as Assembly Speaker removes the most effective GOP organizer and dealmaker from the state political scene ahead of the 2026 elections. Yes
19 WEAK 45 ↑ UP article_search Democratic energy appears high nationally based on November 2025 election results and 2026 early primary fundraising reports showing competitive Democratic hauls across Senate battlegrounds. Yes
20 MODERATE 60 NEUTRAL web_search The large Democratic field (10+ candidates) with diverse profiles suggests strong recruitment and bench depth, though it also means organizational resources will be split across many campaigns until the primary concludes. No
21 WEAK 30 NEUTRAL article_search No specific Wisconsin gubernatorial fundraising data was found for either party's candidates in 2026; this is a significant information gap. No
22 WEAK 55 ↓ DOWN article_search With only 2 Republican candidates vs. 10+ Democrats in the Wisconsin governor's race, Republican organizational capacity may be more concentrated and efficient heading into the fall campaign. No
Information Gaps
  • No specific Wisconsin gubernatorial polling data found for 2026 — critical for assessing candidate strength and race competitiveness
  • No fundraising data for Wisconsin Democratic or Republican gubernatorial candidates — key for sq4
  • Tony Evers' retirement decision is implied by web search data but not directly confirmed with a specific announcement date or source
  • Identity of leading Republican candidates for Wisconsin governor is not detailed — unknown whether a strong GOP challenger exists
  • No polling on Tony Evers' approval rating in Wisconsin, which would help assess the Democratic brand's strength in the state
  • No data on Wisconsin voter registration trends or recent special election results within the state
  • No specific information on national Democratic vs. Republican spending plans for Wisconsin gubernatorial race
  • The impact of Trump's Iran war and economic conditions on Wisconsin-specific voter sentiment is not directly quantified
Key Uncertainties
  • Which Democratic candidate emerges from the crowded 10+ person primary — a fractured primary could produce a weakened general election candidate
  • Whether the anti-Trump wave materializes at the level seen in November 2025 or dissipates by November 2026
  • Identity and strength of the Republican nominee — a moderate or well-funded GOP candidate could make the race competitive
  • Whether Tony Evers' confirmed retirement (vs. running for a third term) significantly weakens Democratic prospects by removing incumbent advantage
  • The trajectory of Trump's approval ratings and the Iran war's impact on the national political environment through November 2026
  • Whether economic conditions (inflation, affordability) improve or worsen between now and the November 2026 election
  • Wisconsin-specific issues (University of Wisconsin controversy, sports betting, redistricting) and their impact on voter sentiment
Market Context
Price: 0.8 · 7d: +0.02 · 30d: +0.10
Volume: LOW-MODERATE — 148 contracts average daily volume is relatively thin for a state-level race 18+ months out · Depth: HIGH — depth of 555,754 contracts suggests significant liquidity available, though the spread (yes_bid=$0.01, no_bid=$0.00) seems anomalous and may reflect data irregularities
Reliability: MEDIUM — The price trend is informative (strong upward movement over 30 days from ~58-70% to 80%), but volume is modest and the orderbook spread data appears potentially erroneous. Price likely reflects improved Democratic national environment more than Wisconsin-specific information.
4. Independent Forecaster Opus · No market price · legacy v2 Did NOT see market price
Independent estimate: 62% (52% confidence)
base rate
60%
50% conf
evidence driven
65%
55% conf
contrarian
62%
50% conf
Spread
5pp
Low disagreement
sq1: Structural/baseline environment in WI favorable to Democrats?
58%
Base rate: Dems won 5 of last 10 WI gubernatorial elections (50%), with slight midterm edge (3 of last 5 midterms). Split-ticket history shows WI gubernatorial races lean slightly D even when presidential goes R. Vos retirement is a modest plus. Overall structural environment is slightly D-favorable. Estimate: 58%.
sq2: Will Dems have a strong/well-positioned candidate?
45%
Base rate for 'strong candidate emerging from crowded open-seat primary': ~50%. Evers retiring removes incumbent advantage (incumbents win ~75% vs open seats ~50-55%). 10+ candidate field risks fracture and a weaker nominee (Barnes lost statewide in 2022, Rodriguez relatively untested). Republicans more unified with 2 candidates. This pushes down. Estimate: 45%.
sq3: Will national environment favor Democrats in 2026?
72%
Base rate: opposition party wins midterms ~70% of the time historically (gains seats; favorable environment). Strong evidence here: Nov 2025 D sweep in VA/NJ, Trump approval issues, unpopular Iran war, affordability concerns, CBS polling favoring Dems. Multiple converging signals point to a clearly D-favorable environment. Risk that conditions shift by Nov 2026, but current trajectory is strong. Estimate: 72%.
sq4: Will Dems outperform in fundraising/organizing?
55%
Base rate ~50%. National D enthusiasm is high, deep bench in WI suggests recruitment strength, but split resources across 10+ primary candidates is a concern. WI is a top-tier target so both parties will pour in money. Slight edge to Dems given national environment. Estimate: 55%.
Show full reasoning trace
base rate: WI Dems won 5 of last 10 gubernatorial races (50%), and 3 of last 5 midterm gubernatorial races. Open-seat races are roughly 50/50 absent other factors. Opposition party wins midterms ~70% historically.
evidence updates: Strongly favorable national environment (+10-15% from baseline) due to Trump unpopularity, Iran war, Nov 2025 D wins. Loss of Evers as incumbent (-8-10%) removes the ~20% incumbency advantage. Crowded D primary creates modest risk (-3%). Vos retirement and GOP organizational issues (+2%).
combination method: Weighted average of sub-questions yielded 0.58, then adjusted slightly upward to 0.60 reflecting that WI's recent gubernatorial pattern in favorable midterm environments has been reliably Democratic, while accounting for open-seat uncertainty.
final: Wisconsin Democrats are favored but not heavily so given Evers' retirement and primary uncertainty. Strong national tailwinds offset incumbency loss. Estimate: 60%.
ensemble: {'ensemble_count': 3, 'perspectives': {'base_rate': {'p_yes': 0.6, 'confidence': 0.5}, 'evidence_driven': {'p_yes': 0.65, 'confidence': 0.55}, 'contrarian': {'p_yes': 0.62, 'confidence': 0.5}}, 'spread': 0.05, 'individual_p_yes': {'base_rate': 0.6, 'evidence_driven': 0.65, 'contrarian': 0.62}}
5. Devil's Advocate Sonnet · legacy v2 Market price revealed
Reasoning Flaw Asymmetric Evidence Missing Info
Challenges
  1. The sub-question combination appears to underweight conditional dependencies. SQ2 (strong candidate emerging) at 45% is treated as roughly independent of SQ1/SQ3, but in a D+ environment with a deep 10-candidate field, the probability that SOME viable nominee emerges is much higher than 45%. The bar shouldn't be 'exceptional candidate' but 'adequate candidate in a favorable environment' — historically even mediocre nominees win in wave years. This systematically biases the forecast downward.
  2. The 10-candidate Democratic field is repeatedly cited as a negative (primary fracture risk), but this is largely mistaken reasoning: a crowded field reflects party strength/enthusiasm and bench depth, and primaries resolve before the general. There is little evidence that crowded primaries hurt general election performance, especially with ~18 months between primary and election for healing. This factor is double-counted as a negative across SQ2 and SQ4.
  3. The forecaster treats Evers' retirement as removing a ~20% incumbency advantage, but open-seat governors races in WI specifically have not shown such a steep penalty in wave environments. The -8-10% adjustment may still be too aggressive given that Evers himself only won by narrow margins (1.1% in 2018), suggesting the incumbency premium for him was modest.
  4. SQ3 at 72% may understate the strength of current evidence. The forecaster cites VA/NJ 2025 sweeps, Trump unpopularity, an unpopular Iran war, and affordability issues — this is a convergence of strong signals, yet the estimate is barely above the 70% historical base rate for opposition-party midterm performance. The conditional probability of a D-favorable environment given these confirmed signals should likely be 78-85%.
  5. Market has moved from ~58% to 80% over 30 days, which suggests informed traders are incorporating information (likely the deteriorating GOP environment and/or candidate developments) that the forecaster's model may be undervaluing. While the market isn't ground truth, a sustained 30-day trend with this magnitude warrants asking what specific information might be driving it that the forecaster's decomposition misses.
Suggested adjustment: +8pp
Adjust upward primarily because (1) the crowded primary field is being double-counted as negative when it more plausibly signals party strength, (2) SQ2's 45% bar implicitly requires an 'exceptional' candidate when 'adequate in a wave year' is what's needed, and (3) SQ3 understates the convergence of strong D-favorable signals. These are reasoning flaws independent of market price. The market divergence is informational corroboration but not the primary driver of the suggested adjustment.
Market comparison: Forecaster: 62.3%, Market: 80%. The 17.7-point divergence is large. The market's 30-day uptrend (+10pts) suggests it's incorporating real information about the deteriorating GOP environment. While the forecaster has legitimately identified uncertainty (open seat, primary), the magnitude of divergence is partly explained by genuine reasoning flaws (treating crowded primary as net-negative, conservative SQ3). A forecast in the 68-72% range would better reflect the evidence the forecaster themselves cites.
6. Aggregator Opus · final calibrated forecast
72% (50% confidence)
My independent estimate of 62% was anchored to base rates for open-seat WI gubernatorial races and a 50% baseline for SQ2, but the Devil's Advocate correctly identified that I double-counted the crowded D primary as a negative (it more plausibly signals bench depth) and set too high a bar in SQ2 — in a wave environment, 'adequate' nominees win, not just exceptional ones. I also under-weighted the convergence of D-favorable signals in SQ3 (VA/NJ sweeps, Trump unpopularity, Iran war, affordability) which collectively support 78-85%, not 72%. I accept these critiques and revise to 72%, which reflects WI's swing-state structure plus a genuinely favorable midterm environment, while still discounting the market's 80% given open-seat uncertainty and the fact that the market's recent surge appears partially driven by national vibes rather than WI-specific candidate consolidation that hasn't yet occurred.
7. Entry Decision Opus Trader
Side
NO
Position Size
$600
Contracts
3333
Trader Confidence
50%
Trade Rationale
The forecaster sees 72% vs market 80%, an 8% edge favoring NO. However, forecaster confidence is only 0.50, the Devil's Advocate flagged multiple issues (reasoning_flaw, asymmetric_evidence, missing_info) and even suggested an upward adjustment of +0.08 — which would erase the edge entirely. Additionally, resolution is 556 days away, the market is thinly traded, and the candidate field hasn't consolidated, all of which argue for caution. The edge direction is defensible (markets often over-price favorites on national vibes early), but conviction is low.
Allocation Logic
Sizing near the floor at $600 because the critic's suggested adjustment would neutralize the edge, confidence is mediocre (0.50), and the 18-month horizon adds substantial uncertainty. Not skipping entirely because the 8% edge meets threshold and we're not heavily concentrated in WI gov.
Entry price: $0.18
Current: $0.29
Status: OPEN
P&L: $366.67