MO-02 House winner?
Short Answer
Both the model and the market overwhelmingly agree that Ann Wagner is most likely, with only minor residual uncertainty.
1. Market Behavior & Drivers
This market is pricing a high probability of a win for the Republican candidate, Ann Wagner, in Missouri's 2nd Congressional District. The contract has traded in a sideways pattern, opening at 81.0% and currently priced at 79.0%. Market sentiment has consistently favored Wagner, with the price holding near the 80% level for most of the observed period. The primary victories for Wagner and her Democratic opponent, Frederick Wellman, on August 4 did not materially alter the market's pricing, as this outcome was already anticipated.
The most significant price action involved an extreme 71.0 percentage point drop to 12.0% on August 21, followed by a 67.0 percentage point spike back to 79.0% on August 22. According to available context, these movements do not appear to be driven by new information specific to this election. Such volatility is often indicative of fluctuations in unrelated events or data artifacts within the prediction market platform itself, rather than a fundamental reassessment of the race.
Total volume of 955 contracts across 134 data points suggests limited market depth. The zero-volume figures on several sample dates confirm this low liquidity. In such an environment, even small trades can cause outsized price moves, and the price action may not reflect broad market conviction. The effective resistance level has been established around 83.0%, while the sharp, anomalous drop to 12.0% is not a credible support level given the circumstances. Overall, the chart indicates a stable but thinly traded market expecting a Wagner victory.
- Since last update (~24h): Ann Wagner's model probability surged +15.1pp, flipping the edge to our model's conviction.
- Fred Wellman's market probability crashed -64.0pp, compressing the edge as our model tracked.
- Confidence score decreased -4.0pp, despite increasing consensus between model and market.
- Ann Wagner is favored due to the district's R+6/R+7 lean and incumbency.
- Wagner holds a substantial $4.2 million fundraising advantage over Fred Wellman.
- Despite a close June 2026 poll, forecasts project Wagner's significant victory margin.
Who Wins and Why
| Outcome | Market | Model | Why |
|---|---|---|---|
| Ann Wagner | 79.0% | 83.0% | Incumbent Ann Wagner benefits from a safely Republican district and a substantial fundraising advantage. |
| Fred Wellman | 21.0% | 17.0% | Fred Wellman faces a seven-term incumbent and large fundraising disparity in a safely Republican district. |
Current Context
Incumbent Ann Wagner and Frederick Wellman secured primary victories on August 4. Republican Ann Wagner and Democrat Frederick Wellman won their respective primary elections in Missouri's 2nd Congressional District on August 4, 2026 [^][^][^][^][^][^][^]. They will face each other in the general election on November 3, 2026 [^][^][^].
Ann Wagner is favored for a significant general election victory. As of August 23, 2026, election forecasts and prediction markets indicate that Ann Wagner is favored to win the general election [^][^][^]. Models project a significant margin of victory for the Republican incumbent [^][^]. The general election for Missouri's 2nd Congressional District is scheduled for November 3, 2026, and has not yet occurred [^][^][^][^][^].
2. Price Chart
Historical Price (Probability)
Outcome probability
Date
3. Significant Price Movements
Notable price changes detected in the chart, along with research into what caused each movement.
📈 August 22, 2026: 67.0pp spike
Price increased from 12.0% to 79.0%
Outcome: Ann Wagner
What happened: The reported 67.0 percentage point spike in the "MO-02 House winner?" market for Ann Wagner on August 22, 2026, appears to be unrelated to this specific Missouri House election market [^][^]. Prediction market data indicates such spikes commonly reflect fluctuations in unrelated events, such as sports or corporate earnings, or may be a misinterpretation of data from a different district [^][^][^]. Consequently, no specific social media activity, traditional news, or market structure factors can be identified as a primary driver for this particular movement in the context of the MO-02 House race [^][^][^]. Social media activity is irrelevant to this observed price movement, as the movement itself appears to be misattributed to the market [^][^][^].
📉 August 21, 2026: 71.0pp drop
Price decreased from 83.0% to 12.0%
Outcome: Ann Wagner
What happened: The research indicates there is no credible reporting of a 71.0 percentage point (pp) drop for Ann Wagner on August 21, 2026, within the "MO-02 House winner?" market [^]. Ann Wagner won the Republican primary on August 4, 2026, with approximately 73.85% of the vote, and was still favored to win the general election as of August 20, 2026 [^]. The reported 71.0 pp drop appears to be a misinterpretation of primary vote data or unrelated to the current electoral status [^]. Consequently, there is no primary driver for this reported price movement, and social media activity is irrelevant.
4. Market Data
Contract Snapshot
This market resolves based on the official winner of the MO-02 House race, specifically determined by the winning party. A "Yes" resolution for a listed candidate occurs if that specific candidate wins the election, while a "No" resolution occurs if that candidate does not win. Trading for this market begins on November 3 at 8:00 AM EST, with the final settlement occurring by November 3, 2027.
Available Contracts
Market options and current pricing
| Outcome bucket | Yes (price) | No (price) | Last trade probability |
|---|---|---|---|
| Ann Wagner | $0.79 | $0.24 | 79% |
| Fred Wellman | $0.26 | $0.79 | 21% |
Market Discussion
The general election for Missouri's 2nd Congressional District is scheduled for November 3, 2026, and no winner has been determined yet [^][^]. Incumbent Republican Ann Wagner and Democratic candidate Frederick Wellman both won their respective primaries on August 4, 2026 [^][^][^][^][^][^][^][^]. Prediction markets currently indicate a strong lead for the Republican candidate, Ann Wagner, with market odds reflecting an 75% to 83% probability of a Republican victory [^][^][^][^].
5. Trader Dashboard
A deterministic, per-market integrity scorecard computed from order-book and price data. Higher is better for Trader Trust, Liquidity, Move Quality and Resolution; higher means more risk for Quote Risk and Avoid Risk.
Ann WagnerPrimaryTrader Trust—Liquidity—Move Quality—Resolution—Quote Risk—Avoid Risk—
Move Quality—No significant move
- Factor
Fred WellmanTrader Trust—Liquidity—Move Quality—Resolution—Quote Risk—Avoid Risk—
Move Quality—No significant move
- Factor
trader_dashboard_lean_v1.13 · computed Aug 23, 2026
6. What polling data and district fundamentals underpin Ann Wagner's status as the favored candidate against Fred Wellman in the 2026 general election?
| Republican Victory Probability | 83% (prediction markets) [^][^][^][^][^] |
|---|---|
| Ann Wagner Fundraising | $3,528,095 (pre-primary) [^][^] |
| June 2026 Poll Lead | Ann Wagner leads Fred Wellman by 3 points (44% to 41%) [^][^][^] |
Ann Wagner is widely favored due to district fundamentals and incumbency. Ann Wagner is considered the favored candidate against Fred Wellman in the 2026 general election, primarily attributed to structural advantages and the district's established partisan lean [^][^][^][^]. Prediction markets currently price a Republican victory in Missouri's 2nd Congressional District at approximately 83% probability, reflecting high confidence in Wagner's incumbency and the district's partisan lean [^][^][^][^][^]. Additionally, Decision Desk HQ forecasts incumbent Republican Ann Wagner as the favored candidate to win, with an 87% probability of victory [^].
Strong district fundamentals and fundraising underpin Wagner's commanding position. The structural advantages favoring Ann Wagner include the district's R+6 Cook Partisan Voter Index and its history of Republican performance in suburban St. Louis [^][^][^]. Wagner is also a seven-term incumbent [^][^][^]. Furthermore, Ann Wagner maintains a significant fundraising advantage, having raised $3,528,095 as of the pre-primary reporting period, compared to $1,155,880 raised by Fred Wellman [^][^].
Recent polling indicates a competitive race despite Wagner's advantages. Despite these strong fundamentals, polling data from June 2026 indicates a competitive race, with incumbent Ann Wagner (R) leading Fred Wellman (D) by 3 points (44% to 41%) [^][^][^]. Polling data from May 2026 showed a similar lead for Ann Wagner at 44% to 41%, with 15% undecided or other options [^]. Internal campaign polling suggests Wellman can gain momentum after voters hear candidate biographies [^].
7. What are the key debates and campaign events scheduled before the November 3, 2026 election that could shift momentum between Ann Wagner and Fred Wellman?
| Ann Wagner Cash on Hand | Approximately $4.2 million (early August 2026) [^] |
|---|---|
| Fred Wellman Cash on Hand | Approximately $240,000 (early August 2026) [^] |
| Prediction Market Odds (Wagner) | Approximately 83% to win MO-02 [^] |
Candidate debates represent the primary scheduled event for momentum shifts. Democratic challenger Fred Wellman has publicly called for three debates with incumbent Republican Ann Wagner before the November 3, 2026, election. However, as of August 23, 2026, no debates have been officially confirmed [^][^]. The general election features major candidates Ann Wagner (R), Frederick Wellman (D), and Brandon Daugherty (Libertarian) [^][^][^][^][^][^][^][^]. Aside from Wellman's challenge for debates, the research does not specify any other key scheduled campaign events expected to shift momentum.
Financial disparity and prediction markets favor the incumbent. A significant factor in the race is the substantial financial difference between the two main candidates. In early August 2026, Ann Wagner reported approximately $4.2 million cash on hand, considerably more than Fred Wellman's approximately $240,000 [^]. Prediction markets currently project Ann Wagner as the likely victor in the MO-02 House election, assigning her an approximate 83% chance of winning [^].
8. How do Ann Wagner's and Fred Wellman's policy positions on key economic issues compare, and which align more closely with the district's voter priorities?
| Incumbent Wagner's Economic Focus | Supply-side economics including tax cuts and deregulation [^][^][^][^] |
|---|---|
| Wellman's Economic Focus | Policies to support working families and lower costs [^][^][^] |
| Top Voter Concern in MO-2 | Rising cost of living [^] |
Ann Wagner and Fred Wellman both acknowledge the rising cost of living as a primary concern for voters in Missouri's 2nd District [^] . While both candidates address this issue, their proposed economic solutions significantly diverge. Incumbent Republican Ann Wagner advocates for supply-side economic policies focused on stimulating job growth and market resilience [^][^][^][^]. Conversely, Democratic challenger Fred Wellman concentrates on policies designed to support working families and reduce everyday costs [^][^][^].
Wagner's economic platform favors tax cuts and deregulation for jobs [^] . Her proposals prioritize reducing federal spending, lowering taxes, simplifying the tax code, and promoting an all-of-the-above energy policy to foster job creation [^]. Her solutions for the cost of living specifically involve tax and regulatory reductions [^]. In contrast, Wellman's economic agenda centers on increasing affordability and opportunities for families, emphasizing American manufacturing and good-paying jobs [^]. He advocates for stronger public services and corporate accountability as means to address everyday costs [^].
Missouri's 2nd District historically leans Republican [^] [^] . Winner Odds | Lines.com" data-source-lanes="traditional">[^][^]. Wagner's supply-side platform aligns with her party's traditional approach [^][^][^][^], while Wellman's focus on public services and corporate accountability aligns with Democratic principles [^]. However, the provided research does not explicitly state which candidate's specific solutions for the cost of living align more closely with district voter priorities, beyond the district's general political leanings [^][^].
9. What do historical election results since the last redistricting reveal about the partisan lean of Missouri's 2nd Congressional District?
| Cook Partisan Voter Index | R+7 [^][^][^] |
|---|---|
| 2020 Presidential Election (recalculated for new boundaries) | Donald Trump 53.0% [^][^] |
| 2024 General Election (Republican vote share) | 54.5% [^][^] |
Missouri's 2nd Congressional District shifted significantly after 2022 redistricting. Since this process, the district has transformed from a competitive swing seat to one that decidedly favors the Republican Party. This change primarily resulted from incorporating GOP-heavy Franklin and Warren counties into the district [^][^][^]. Following these adjustments, the district's Cook Partisan Voter Index was rated R+7, clearly indicating its Republican lean [^][^][^].
Recalculated 2020 presidential results confirmed the district's Republican lean. Historical election results, specifically the 2020 presidential election data recalculated for the district's new configuration, provide further evidence of this partisan shift. Under the current boundaries, Donald Trump would have received 53.0% of the vote, while Joe Biden would have garnered 45.3% [^][^].
Recent elections under new boundaries solidified the district's Republican trend. Actual election outcomes under the new configuration further reinforce this trend. The 2022 general election for Missouri's 2nd District saw the Republican candidate secure a win with 54.9% of the vote, compared to the Democratic candidate's 43.1% [^]. Most recently, incumbent Republican Ann Wagner won the 2024 general election, receiving 54.5% of the vote against her Democratic challenger, who garnered 42.5% [^][^].
10. How does Fred Wellman's post-primary fundraising compare to Ann Wagner's, and what does it indicate about his campaign's financial viability?
| Ann Wagner funds on hand | $4.2 million (mid-July 2026) [^][^] |
|---|---|
| Fred Wellman funds on hand | $242,217 (mid-July 2026) [^][^] |
| Ann Wagner prediction market probability | 75-83% (August 23, 2026) [^][^][^][^][^] |
Fred Wellman faces significant financial hurdles against incumbent Ann Wagner. As of mid-July 2026, Wellman’s post-primary campaign funds were considerably lower than Ann Wagner's, reflecting a substantial financial disparity in the MO-02 House race. Wagner held approximately $4.2 million on hand, while Wellman reported $242,217 [^][^]. This imbalance is further evident from Wagner out-raising Wellman by over $2.3 million by the pre-primary filing deadline, demonstrating a traditional incumbent advantage and posing challenges to Wellman's financial viability for the general election [^].
Prediction markets strongly favor Wagner, despite Wellman's potential appeal. As of August 23, 2026, prediction markets overwhelmingly assign Ann Wagner a 75-83% probability of victory, compared to approximately 20-24% for Wellman [^][^][^][^][^]. While the Decision Desk HQ forecast showed Wagner at 44.00% and Wellman at 0.00%, this early post-primary prediction is noted as potentially reflecting a competitive race or data gaps [^][^]. Wellman's past financial issues, including bankruptcy, are seen as both a potential point of connection with struggling residents and a vulnerability that Wagner might exploit [^][^].
11. What Could Change the Odds
Key Catalysts
The Missouri 2nd Congressional District primary election occurred on August 4, 2026 [^] . Incumbent Republican Ann Wagner won the Republican primary with approximately 73.9% of the vote [^]. Fred Wellman won the Democratic primary with approximately 45.8% of the vote [^]. These primary election results were a key catalyst for the market [^].
The general election for Missouri's 2nd Congressional District is scheduled for November 3, 2026 [^] [^] [^] . As of August 23, 2026, prediction markets favor the Republican nominee, Ann Wagner, with implied winning probabilities ranging from approximately 75% to 83% [^][^][^]. Decision Desk HQ forecasts Ann Wagner is likely to win the general election, with an 87% probability [^]. Market sentiment is influenced by Ann Wagner's incumbency, the district's historical Republican lean, and potential uncertainty surrounding a redistricting referendum [^]. General campaign activities throughout September and October, the general election itself on November 3, 2026, and the convening of the 120th Congress on January 3, 2027, represent further key dates for the 2026 midterm cycle [^][^].
Key Dates & Catalysts
- Expiration: November 03, 2027
- Closes: November 03, 2027
12. Decision-Flipping Events
- Trigger: The Missouri 2nd Congressional District primary election occurred on August 4, 2026 [^] .
- Trigger: Incumbent Republican Ann Wagner won the Republican primary with approximately 73.9% of the vote [^] .
- Trigger: Fred Wellman won the Democratic primary with approximately 45.8% of the vote [^] .
- Trigger: These primary election results were a key catalyst for the market [^] .
14. Historical Resolutions
Historical Resolutions: 17 markets in this series
Outcomes: 8 resolved YES, 9 resolved NO
Recent resolutions:
- KXHOUSERACE-WA09-26-KSAW: NO (Aug 05, 2026)
- KXHOUSERACE-CA37-26-R: NO (Jun 30, 2026)
- KXHOUSERACE-CA37-26-D: YES (Jun 30, 2026)
- KXHOUSERACE-CA34-26-R: NO (Jun 30, 2026)
- KXHOUSERACE-CA34-26-D: YES (Jun 30, 2026)
