Short Answer

The model assigns meaningfully higher odds than the market for Ashley Hinson (77.0% model vs 58.0% market). This is likely driven by the state's Republican leaning and her fundraising advantage, despite a recent poll showing her trailing other candidates.

1. Market Behavior & Drivers

The price action for this market has been exceptionally stable, characterized by a sideways trend with no significant movements. The contract has traded within an extremely narrow one-cent range, from a low of 58.0% to a high of 59.0%. Since its inception, the price has shown no net change, starting and currently trading at 58.0%. This lack of volatility indicates a strong market consensus that has not been challenged by any new information. The immediate support level is clearly established at 58.0%, with minor resistance at 59.0%.
The market's stability appears directly linked to the broader political context. Expert analysis, such as the "Likely Republican" rating from the Cook Political Report, and similar odds on other prediction markets have created a consistent backdrop. The absence of any significant price spikes or drops suggests no news or events have occurred to alter traders' initial assessment of the race. The very low trading volume, with only 116 contracts traded in total, further reinforces this interpretation. Low volume often suggests that traders are in general agreement on the price, leading to little activity and a lack of conviction to push the price in a new direction. Overall, the chart reflects a settled market sentiment, with traders consistently pricing the "YES" outcome at a 58% probability.
  • Iowa's Senate race is widely rated "Likely Republican."
  • Ashley Hinson maintains a significant fundraising and cash-on-hand advantage.
  • An April 21, 2026 poll showed Hinson trailing both Democratic challengers.
  • Josh Turek appears to be the front-runner in the Democratic primary.
  • Zach Wahls led Hinson in an April 21, 2026 general election poll.

Who Wins and Why

Outcome Market Model Why
Zach Wahls 15.0% 15.9% An April 21, 2026 poll showed Wahls leading Ashley Hinson among likely voters.
Ashley Hinson 58.0% 77.0% An April 21, 2026 poll showed Hinson trailing Democratic front-runners among likely voters.
Josh Turek 0.0% 7.0% An April 21, 2026 poll showed Turek leading Ashley Hinson among likely voters.

Current Context

Experts and markets favor a Republican victory in Iowa's Senate race. As of late April/early May 2026, the Cook Political Report rates the Iowa U.S. Senate race as "Likely Republican," a sentiment echoed by Ballotpedia's summary of multiple national ratings [1][2]. Prediction markets align with this outlook, with Kalshi's Iowa Senate "winner" market (SENATEIA-26) indicating that traders expect a Republican to be sworn in for the 2027 term [3]. Similarly, on Polymarket's "Iowa Senate Election Winner" market, the crowd currently assigns a Republican candidate approximately a 57% probability of winning, compared to a 43% probability for a Democratic candidate [4].
Recent polling shows a competitive race despite primary front-runners. On the Democratic side, Polymarket currently identifies Zach Wahls as the front-runner for the Iowa Democratic Senate primary, holding a 61% probability against Josh Turek's 37% [5]. The official timeline for the election includes a filing deadline of March 13, 2026, with the Democratic primary scheduled for June 2, 2026, and the general election on November 3, 2026 [2][1]. A recent poll from Echelon Insights / NetChoice, dated April 21, 2026, indicated tight contests among likely voters: Wahls polled at 46% versus Hinson at 44%, and Turek at 46% versus Hinson at 45%, with other categories accounting for the remaining percentages [6].
Sources (6)
  1. 1IA Senate 2026 | Cook Political Reportcookpolitical.com
  2. 2United States Senate election in Iowa, 2026 - Ballotpediaballotpedia.org
  3. 3Iowa Senate winner? Odds & Predictions 2026 - Kalshikalshi.com
  4. 4Iowa Senate Election Winner Predictions & Odds | Polymarketpolymarket.com
  5. 5Iowa Democratic Senate Primary Winner Predictions & Odds 2026 | Polymarketploymarket.com
  6. 62026 Polls: Iowa Senate - 270toWin270towin.com

2. Price Chart

Historical Price (Probability)

Outcome probability
Date

3. Market Data

Contract Snapshot

This market resolves to "Yes" if Ashley Hinson wins the 2026 Iowa Senate election as the Republican nominee; it resolves to "No" if she fails to secure the nomination or does not win the general election. The market opened on May 5, 2026, and will close after the outcome occurs or by November 3, 2027, with the outcome verified by the Iowa Secretary of State and eligible for accelerated determination by a consensus of media organizations.

Available Contracts

Market options and current pricing

Outcome bucket Yes (price) No (price) Last trade probability
Ashley Hinson $0.59 $0.42 58%
Zach Wahls $0.15 $0.86 15%
Josh Turek $0.28 $0.73 0%

Market Discussion

Democrat Renee Hardman won the Iowa state Senate District 16 special election on December 30, 2025 [1]. However, public discussion on prediction markets appears to be centered on the 2026 U.S. Senate election, with Polymarket showing a 57% implied probability for a Republican winner and 43% for a Democrat [2].

Sources (2)
  1. 1Democrat Renee Hardman wins Iowa state Senate seat, blocking GOP from reclaiming supermajority | PBS Newspbs.org
  2. 2Iowa Senate Election Winner Predictions & Odds | Polymarketpolymarket.com

4. Trust Index

Octagon Trust Index Kalshi 82 Good

Order book is critically thin.

Primary risk· Trade quality

How it adds up
Integrity80% of score92Strong
Trade quality20% of score45High Risk

Includes the cost to trade: a $10,000 order can't be filled here because the order book is too thin.

Trust score82Good

Weighted blend with hard caps — a critically weak safety pillar, or a severe trading anomaly, caps the total regardless of the rest. Full methodology · About the Trust Index

Trust profile
Integrity4 screens run · 6 don't apply
Market integrity
88Strong

Outcome is hard to influence

Large tradesTrade signals · medium confidence

Largest single print on KXIASENATE-26-JTUR carried 64% of its $6,889 tape (window is 100% of 24h flow; print is 1d old)

Screened clean
Thin-volume movesNo significant move Clear
Size patternsTrade sizes look organic. Clear
2 screens not run
Outcome control · doesn't apply to this market type
Thin-leg conviction · doesn't apply to this market type
Info fairness
95Strong

Structural prior — no screens apply

No suspicious activity on any screen

Screened clean
Information exposureNo concentrated group can know the outcome materially early. Clear
4 screens not run
Move vs. catalyst · doesn't apply to this market type
Longshot repricing · doesn't apply to this market type
Pre-broadcast certainty · doesn't apply to this market type
Cross-venue timing · doesn't apply to this market type
Resolution quality
92Strong

Resolution mechanism is dependable

No suspicious activity on any screen

Resolution rules read: Clear

Liquidity
53Thin

Expect slippage beyond small size

2 contracts · worst first · 1 settled or closed — not scored

Josh Turek49
Thin · low confidence

Light recent trading — size may not fill near the screen price.

Ashley Hinson68
Tradeable · low confidence

Light recent trading — size may not fill near the screen price.

Move quality
71Confirmed

Moves came with real volume

2 contracts · worst first · 1 settled or closed — not scored

Ashley Hinson71
Confirmed · medium confidence

Volume is light/neutral for the move over 3d

Josh Turek—
No significant move (24h)

Price was stable over the last 24 hours.

Rule clarity
100Clear

Counts toward Resolution quality, not here

2 contracts · worst first · 1 settled or closed — not scored

Ashley Hinson100
Clear · high confidence

All checks pass

objective outcome · Clearofficial source · Cleartime boundary · Clear
Josh Turek100
Clear · high confidence

All checks pass

objective outcome · Clearofficial source · Cleartime boundary · Clear
Trade quality
45High Risk

Order book is critically thin

Tradable, but expect execution cost beyond small sizes.

Outcome quality 54 (notional-weighted across 2 scored legs)

$100 order: 1.0c slippage (~2% of a 53.5c contract)

$1,000 order: 3.2c slippage (~6% of a 53.5c contract)

$10,000 order: book too thin to fill

1 settled or closed — not scored

Ashley Hinson68Market scoreLiquidity68Move quality71Rule clarity100
Why 68
Liquidity
68 · Tradeable · low confidence

Light recent trading — size may not fill near the screen price.

Move quality
71 · Confirmed · medium confidence

Volume is light/neutral for the move over 3d

Rule clarity
100 · Clear · high confidence

All checks pass

objective outcome · Clearofficial source · Cleartime boundary · Clear
Josh Turek49Market scoreLiquidity49Move quality–Rule clarity100
Why 49
Liquidity
49 · Thin · low confidence

Light recent trading — size may not fill near the screen price.

Move quality
No significant move (24h)

Price was stable over the last 24 hours.

Rule clarity
100 · Clear · high confidence

All checks pass

objective outcome · Clearofficial source · Cleartime boundary · Clear

underwriting_v1.4 · computed Sep 23, 2026

5. How do Democratic primary candidates Zach Wahls and Josh Turek compare on fundraising and key endorsements ahead of the June 2, 2026 primary?

Turek Q1 2026 Fundraising$1,122,303 (Jan. 1–Mar. 31, 2026) [1]
Wahls Q1 2026 Cash on Hand$1,055,406 (Mar. 31, 2026) [1]
Polymarket Turek Probability64% [2]
Zach Wahls maintains a cash advantage despite close fundraising totals. In the first quarter of 2026 (January 1 to March 31), Josh Turek reported raising $1,122,303, narrowly exceeding Zach Wahls' $1,122,081 [1]. However, Wahls concluded the quarter with a greater cash cushion, holding $1,055,406 on hand compared to Turek's $757,480 as of March 31, 2026 [1]. This pattern continues from the previous quarter, Q4 2025, when Wahls also outraised Turek ($742,000 versus $678,000) and ended with significantly more cash on hand ($733,000 versus $398,000 as of December 31) [3].
Endorsements highlight an ideological divide between the candidates. Josh Turek's supporters include former Lt. Gov. Sally Pederson, former U.S. Rep. Tony Coelho, State Rep. Jennifer Konfrst, and Senators Catherine Cortez Masto and Maggie Hassan [4][5][6][7]. In contrast, Senator Elizabeth Warren has endorsed Zach Wahls [7]. Both candidates have also secured union backing; Turek received an endorsement from Heat and Frost Insulators Local 39, while Wahls was endorsed by Local 81 [8]. As of now, the Polymarket "Iowa Democratic Senate Primary Winner" market indicates Josh Turek with a 64% probability of winning, compared to Zach Wahls at 37% [2].
Sources (8)
  1. 1How much money are Ashley Hinson, Josh Turek and Zach Wahls raising?eu.desmoinesregister.com
  2. 2Iowa Democratic Senate Primary Winner Predictions & Odds 2026 | Polymarketpolymarket.com
  3. 3How much did Hinson, Wahls, Turek raise in US Senate election so far?goupstate.com
  4. 4Josh Turek Endorsementsturek4iowa.com
  5. 5Turek Campaign Touts Best Fundraising Day of the Year and New Endorsements | Josh Turek for Iowaturek4iowa.com
  6. 6Josh Turek Endorsementsturek4iowa.com
  7. 7Josh Turek and Zach Wahls are running in the U.S. Senate Democratic primary in Iowa on Jun 2, 2026 - Ballotpedia Newsnews.ballotpedia.org
  8. 8Iowa Rep. Josh Turek, Sen. Zach Wahls receive union endorsements in U.S. Senate Democratic primarykcrg.com

6. What historical voting patterns and polling data support the consensus 'Likely Republican' rating for Ashley Hinson in the 2026 general election?

Iowa political shiftModerately to strongly red (2020-2024) [1]
Trump's 2024 Iowa margin13 percentage points [1]
Ashley Hinson's 2024 vote share57.1% [2][3][4]
Iowa has consistently demonstrated a significant shift towards the Republican Party. The state is now characterized as "moderately to strongly red" in recent elections [1]. This trend is further supported by Donald Trump's performance, who expanded his winning margin from 8 percentage points in 2020 to 13 percentage points in 2024 within the state [1]. Republicans currently hold a dominant position in Iowa politics, controlling nearly all statewide executive offices, both chambers of the state legislature, and the entirety of the congressional delegation [1].
Ashley Hinson's electoral history reflects consistent success in Iowa. Her career highlights include re-election to the U.S. House of Representatives with steadily increasing margins, most recently securing 57.1% of the vote in 2024 [2][3][4]. She previously won elections to the Iowa House of Representatives and secured her U.S. House seat in 2020 by narrowly defeating an incumbent Democrat [2]. Hinson has also announced her candidacy for the open 2026 U.S. Senate election in Iowa [2][5][1].
Sources (5)
  1. 1wikipedia.orgen.wikipedia.org
  2. 2wikipedia.orgen.wikipedia.org
  3. 3iowapublicradio.org
  4. 4youtube.com
  5. 5iowapublicradio.org

7. What potential campaign catalysts or missteps between the June primary and the November general election could shift polling averages for Ashley Hinson?

Hinson April 2026 PollTrailing Democratic opponents Wahls (46% to 44%) and Turek (46% to 44/45%) [1][2]
Hinson Primary Odds96% odds to win Republican primary [3][4]
Hinson Q1 2026 FundraisingRaised over $2.3 million, held $6.5 million cash [5][6]
Ashley Hinson currently trails Democratic opponents in early general election polling. An Echelon poll from April 2026 indicates Wahls leads Hinson 46% to 44%, and Turek leads Hinson 46% to 44-45% among 377 likely voters [1][2]. Analysts have identified a risk to Hinson stemming from 'slavish allegiance' following a full endorsement in September 2025 [7][8]. This ongoing risk could manifest as missteps during the campaign between the June primary and the November general election, potentially shifting polling averages [7][8].
Despite general election concerns, Hinson demonstrates strong primary odds and significant fundraising advantage. She holds strong Republican primary odds at 96%, with resolution expected on June 2, 2026 [3][4]. Hinson also recorded a substantial fundraising advantage in Q1 2026, raising over $2.3 million and holding $6.5 million in cash, significantly more than the approximately $1.1 million raised by each Democratic candidate, Wahls and Turek [5][6]. The broader market generally favors Republicans with 57-62% odds as of March-April 2026 [9][10][11], and Iowa is rated 'Likely R' by prominent election handicappers [1][5].
Additional campaign catalysts or missteps are not yet identified by the research. While outlining current polling and existing risks, the research does not specify further potential campaign catalysts or missteps that could occur to shift Hinson's polling averages between the primary and general election.
Sources (11)
  1. 1Democrats Edge Out Republican Ashley Hinson in Iowa Senate Race Poll - Newsweeknewsweek.com
  2. 2POLL: Sand leads Feenstra, Democratic senate candidates lead Hinsoncbs2iowa.com
  3. 3Iowa Republican Senate Primary Winner Predictions & Odds | Polymarketpolymarket.com
  4. 4Will Ashley Hinson Win the Iowa Republican Senate Primary?lines.com
  5. 5Ashley Hinson takes massive fundraising edge in Iowa’s open-seat U.S. Senate campaign | The Gazettethegazette.com
  6. 6How much money are Ashley Hinson, Josh Turek and Zach Wahls raising?examiner-enterprise.com
  7. 7Ashley Hinson's Senate rollout: Short-term success, long-term risks - Bleeding Heartlandbleedingheartland.com
  8. 8Iowa Republican U.S. Rep. Ashley Hinson is running for Senate in 2026 | Iowa Public Radioiowapublicradio.org
  9. 9Iowa Senate Election Winner Predictions & Odds | Polymarketpolymarket.com
  10. 10Iowa Senate Election Winner Odds — Republican 59¢, Democrat 40¢predictionhunt.com
  11. 11Iowa Senate Election Winner Predictions & Odds | Polymarketpolymarket.com

8. What public polling for the 2026 Iowa Senate general election matchups has been released since January 2026?

General Election RatingLikely Republican (Cook Political Report, Inside Elections, Sabato's Crystal Ball) [1][2]
Ashley Hinson (GOP Primary)94% (PredictIt) [3]
Democrats (General Election)30 cents (PredictIt) [4]
No public polls exist for the 2026 Iowa Senate election matchups. Since January 2026, there has been no public polling data released for the 2026 Iowa Senate general election. However, political analysis organizations have provided early assessments. The Cook Political Report with Amy Walter, Inside Elections, and Sabato's Crystal Ball all rate the general election as "Likely Republican" [1][2].
Prediction markets suggest Republican advantage and primary frontrunners. Though not public polls, prediction markets offer additional insights. PredictIt shows that Democrats have a 30-cent chance of winning the general election [4]. For the Republican primary, Ashley Hinson is a strong favorite, holding 94% on PredictIt for the nomination [3]. In the Democratic nomination race, prediction markets like Kalshi indicate Josh Turek with 68% and Zach Wahls with 30% [5].
The 2026 Iowa Senate election features an open seat. The general election is scheduled for November 3, 2026, with primary elections taking place on June 2, 2026 [6]. Incumbent Republican Senator Joni Ernst will not be seeking re-election [7].
Sources (7)
  1. 1ballotpedia.org
  2. 2cookpolitical.com
  3. 3predictit.org
  4. 4predictit.org
  5. 5kalshi.com
  6. 6ballotpedia.org
  7. 7wikipedia.orgen.wikipedia.org

9. How do Ashley Hinson and Democratic primary frontrunner Zach Wahls differ on key policy positions relevant to Iowa's agricultural and manufacturing sectors?

Hinson Project FundingOver $100 million for flood mitigation and rural infrastructure [1]
Hinson Agriculture PolicyPRECISE Act expands access to precision agriculture tools [2]
Wahls Agriculture PolicyAdvocates for a federal Right to Repair law [3][4][5][6]
Ashley Hinson prioritizes agricultural resilience, supply chain safety, and biofuel expansion. She has secured over $100 million in Community Project Funding for flood mitigation and rural infrastructure [1]. Hinson's Farm Bill efforts include the PRECISE Act, expanding access to precision agriculture tools, and the Save Our Bacon Act, aimed at mitigating the impact of California's Proposition 12 on Iowa's pork producers [2][7]. Furthermore, she advocates for year-round, nationwide E15 to bolster biofuel markets and has introduced legislation to address fertilizer costs and market transparency [2][8][9].
Hinson supports manufacturing through tax policy and domestic supply chain initiatives. She advocates for tax policies designed to support economic growth and co-sponsored the Critical Infrastructure Manufacturing Feasibility Act, which aims to reshore critical supply chain manufacturing to the U.S. [10][11]. Notably, Hinson opposed federal subsidies for semiconductor manufacturing, characterizing them as a "gigantic corporate subsidy" [12].
Zach Wahls champions family farmers and addresses corporate power in key sectors. In agriculture, he advocates for breaking up agribusiness monopolies, establishing a Strategic Fertilizer Reserve, and ensuring transparent and fair contracts for contract farmers [3][4][5]. Wahls also calls for a federal "Right to Repair" law, empowering farmers to fix their own equipment [3][4][5][6]. His platform includes aggressive enforcement of the Packers and Stockyards Act, establishing a USDA antitrust office, and supporting a moratorium on future agriculture and grocery mergers [3][6]. For manufacturing, Wahls emphasizes investing in clean energy manufacturing within Iowa, tackling corporate power across various sectors, and protecting and creating jobs by addressing issues like plant closures [13][3][5][14].
Sources (14)
  1. 1house.govhinson.house.gov
  2. 2house.govhinson.house.gov
  3. 3zachwahls.com
  4. 4radioiowa.com
  5. 5substack.comzachwahls.substack.com
  6. 6substack.comzachwahls.substack.com
  7. 7stormlakeradio.com
  8. 8house.govhinson.house.gov
  9. 9house.govhinson.house.gov
  10. 10house.govhinson.house.gov
  11. 11house.govhinson.house.gov
  12. 12radioiowa.com
  13. 13iowastartingline.com
  14. 14kbur.com

10. What Could Change the Odds

Key Catalysts

The 2026 United States Senate election in Iowa is six months away on November 3, 2026, and no winner has been determined [1][2]. The race for this open seat, following the retirement of Joni Ernst (R), is currently rated as Likely Republican by Cook and Sabato [1][2]. The primary outcomes will be crucial, with Josh Turek at 64% on Polymarket and Zach Wahls at 37-68% in the Democratic primary [3][4][5]. On the Republican side, Ashley Hinson is considered the frontrunner and was endorsed by Ernst [2][6].
Market probabilities currently place a Republican victory at 59-62% and a Democratic victory at 38-40% according to Kalshi and Polymarket [7][8][9]. Any shift in these percentages could be influenced by factors such as the recent Iowa Democratic special election win by Renee Hardman in District 16 in December 2025 [10][11][12].

Key Dates & Catalysts

  • Expiration: November 03, 2027
  • Closes: November 03, 2027
Sources (12)
  1. 1United States Senate election in Iowa, 2026 - Ballotpediaballotpedia.org
  2. 22026 United States Senate election in Iowaen.wikipedia.org
  3. 3Iowa Democratic Senate Primary Winner Predictions & Odds 2026 | Polymarketpolymarket.com
  4. 4Josh Turek and Zach Wahls are running in the U.S. Senate Democratic primary in Iowa on Jun 2, 2026 - Ballotpedia Newsnews.ballotpedia.org
  5. 5Iowa Democratic Senate nominee? | Live Odds Comparison | Prediction Huntpredictionhunt.com
  6. 6Iowa Senate Race 2026 - The Year 2026theyear2026.com
  7. 7Iowa Senate Election Winner Predictions & Odds | Polymarketpolymarket.com
  8. 8Iowa Senate Election Winner Odds — Republican 59¢, Democrat 40¢predictionhunt.com
  9. 9Iowa Senate Election Winner Predictions & Odds | Polymarketpolymarket.com
  10. 10Democrat Renee Hardman wins Iowa Senate District 16 seat, denying Republicans the supermajority | weareiowa.comweareiowa.com
  11. 11Democrat Renee Hardman elected to Iowa state Senate in special election | AP Newsapnews.com
  12. 12Democrat Renee Hardman wins Iowa state Senate seat, blocking GOP from reclaiming supermajority | PBS Newspbs.org