# Colorado Senate winner? In 2026 Updated: August 12, 2026 Category: Elections Tags: Senate HTML: /markets/elections/senate/colorado-senate-winner/ ## Short Answer **Key takeaway.** Both the **model** and the **market** expect John Hickenlooper to win the Colorado Senate seat in 2026, with no compelling evidence of mispricing. ## Key Claims (January 2026) **- - Octagon Deep Research encountered a significant "Not Found" error.** - Grounded research similarly failed to retrieve specific findings due to error. - Positive national Democratic environment could boost Hickenlooper's re-election chances. - Successful Colorado legislative session reinforces voter **confidence** in Democratic leadership. - Octagon **model** **probability** aligns exactly with current **market** **probability**. ### Why This Matters (GEO) - AI agents extract claims, not arguments. - Improves citation probability in summaries and answer cards. - Enables fact stitching across multiple sources. ## Executive Verdict **Key takeaway.** Despite research failing with a 404 error, **model** and **market** align at **3.3%**, implying a 30.3x payout if correct. ### Who Wins and Why | Outcome | Market | Model | Why | | --- | --- | --- | --- | | Mark Baisley | 3.3% | 3.3% | Market higher by 0.0pp | | John Hickenlooper | 97.0% | 96.7% | Market higher by 0.3pp | ## Model vs Market | Outcome | Market Probability | Octagon Model Probability | | --- | --- | --- | | Mark Baisley | 3.3% | 3.3% | | John Hickenlooper | 97.0% | 96.7% | - Expiration: November 3, 2027 ## Market Behavior & Price Dynamics This market exhibits an extremely stable and sideways price trend, with no significant movements. The contract price has been confined to a very narrow one-cent range, fluctuating between $0.03 and $0.04 over 224 data points. It began at a 3.8% probability and has since settled at 3.3%, indicating a slight, almost negligible, decrease in the perceived chance of a Republican victory. The price points of $0.03 and $0.04 have acted as the functional floor and ceiling for the market, though these cannot be considered true support and resistance levels in a meaningful technical sense due to the complete absence of trading activity. The most critical technical indicator for this market is its volume, which stands at zero contracts traded. This complete lack of liquidity means there is no market conviction or participation. Consequently, the minor price drift from $0.04 to $0.03 cannot be attributed to trader reactions to recent news, such as Democratic spending priorities, inflation concerns, or shifts in the national political mood. Without any trades, the price changes are not a reflection of new information being processed by the market but are likely artifacts of the market maker's bid-ask spread. The market's price level suggests a low probability of a Republican win, which aligns with external forecasts rating the race as "Safe Democratic." However, the zero volume indicates that this sentiment is a passive reflection of the consensus view rather than an actively traded and confirmed belief among market participants. ## Contract Snapshot Based on the provided page content, the rules for this Kalshi market are not detailed. The text only states the market title: "Colorado Senate winner? Odds & Predictions 2026" and its subcategory "US Elections." Information regarding what triggers a YES or NO resolution, key dates/deadlines, or any special settlement conditions is not present in the provided content. ## Market Discussion Discussions surrounding the "Colorado Senate winner" primarily focus on the upcoming November 3, 2026, general election, where incumbent Democrat John Hickenlooper will face Republican state senator Mark Baisley [[^]](https://en.wikipedia.org/wiki/2026_United_States_Senate_election_in_Colorado). Hickenlooper secured the Democratic nomination after defeating challenger Julie Gonzales in a primary debate centered on "generational change" versus his established approach [[^]](https://ballotpedia.org/United_States_Senate_election_in_Colorado,_2026). Prediction markets and political analyses indicate Hickenlooper as the favored candidate, reflecting Colorado's recent shift to a strong Democratic-leaning state, though there's also discussion about the potential impact of independent candidates like Bob Chew running on the Forward Party line [[^]](https://ballotpedia.org/United_States_Senate_election_in_Colorado,_2026_(June_30_Democratic_primary)). ## Market Data | Contract | Yes Bid | Yes Ask | Last Price | Volume | Open Interest | | --- | --- | --- | --- | --- | --- | | John Hickenlooper | 96.1% | 96.9% | 97% | $965 | $297 | | Mark Baisley | 2.5% | 3% | 3.3% | $13,378 | $10,024 | ## Why Was Research Data Not Successfully Retrieved? Research Outcome | Error 404 Not Found | Data Availability | Unavailable | Summary Possible | No data to summarize | **Research on Hickenlooper's support encountered an unresolvable technical error** Research on Hickenlooper's support encountered an unresolvable technical error. The attempt to gather information regarding progressive dissatisfaction with John Hickenlooper and its potential impact on his support among voters under 35 and Latino voters in Denver, Adams, and Pueblo counties resulted in a system failure. The system reported a '404 - Not Found' status, which indicates that the requested data could not be retrieved from the specified source. Absence of data prevents analysis of Hickenlooper's voter support. As a direct consequence of this retrieval failure, no key findings, data points, or analytical summaries could be generated. The lack of valid research content makes it impossible to fulfill the request for extraction and formatting of information pertinent to the research question. ## What Information Was Identified for This Research Query? Research Status | Error Code 404: Not Found | Data Retrieval | Failed | Information Availability | None | **The research process encountered a significant '404 Not Found' error** The research process encountered a significant '404 Not Found' error. This status indicates that the requested information or resource could not be located or accessed. Consequently, successful data retrieval for the query was prevented, making it impossible to obtain the desired financial data. No specific findings or data could be extracted from the system. As a direct consequence of this error, no specific findings, key data points, or summarized content related to planned independent expenditures could be presented. The system was entirely unable to identify any relevant information to fulfill the request. ## Why Was Research Data Not Found? Research Status | Failed (Error 404) | Detail | Not Found (API Response) | Information Availability | Unavailable (No Data) | **The initial research query encountered a retrieval error, yielding no specific findings** The initial research query encountered a retrieval error, yielding no specific findings. Specifically, the system received a 404 Not Found response, indicating that the requested information regarding the primary line of attack against Mark Baisley by Hickenlooper's campaign and the DSCC could not be retrieved from the source at this time. Consequently, no specific details on the anticipated first major negative ad flight or its basis in Baisley's Colorado State Senate record can be presented. Due to this research failure, detailed analysis and key data points are unavailable. The inability to access the requested information means no specific votes or statements from Mark Baisley's record in the Colorado State Senate can be identified as the basis for a negative campaign. Addressing this 'Not Found' error will require further attempts to retrieve the necessary data. ## What Was the Outcome of the Research Query? Research Status | Failed | Error Code | 404 | Detail | Not Found | **The research query encountered an error during its execution** The research query encountered an error during its execution. The system reported 'Error code: 404 - {'detail': 'Not Found'}', indicating that it was unable to locate or retrieve any information pertinent to the research question regarding polling cross-tabs for Hickenlooper and Baisley among unaffiliated Colorado voters concerned with inflation or the economy. Consequently, no specific findings or data could be extracted. As a direct result of this system error, no analytical content, specific data points, or findings can be presented. The research process did not yield any retrievable results to summarize for the requested information. ## Why Was Research Data Not Found? Research Outcome | Error (404 Not Found) | Issue Type | Resource Not Found | Data Availability | None | **The research inquiry could not be completed as intended** The research inquiry could not be completed as intended. During the research process, a '404 Not Found' error was encountered, indicating that the system was unable to locate the necessary information or resources. Consequently, no specific data or findings pertinent to the inquiry were retrieved or processed. No content was accessible to address the research questions. Due to the failure in accessing any source material, it was not possible to extract key findings, data points, or supporting details. Therefore, information regarding the net change in Hickenlooper's lead among unaffiliated voters, as well as media characterizations of Baisley's debate performance, remains unavailable. The entire information request could not be fulfilled. ## What Could Change the Odds **Several factors could boost incumbent John Hickenlooper's re-election chances in the Colorado Senate race [[^]](https://ballotpedia.org/United_States_Senate_election_in_Colorado,_2026).** A positive national political environment for Democrats, driven by a well-regarded presidential administration or missteps by the national Republican Party, could benefit Hickenlooper [[^]](https://en.wikipedia.org/wiki/2026_United_States_Senate_election_in_Colorado). Similarly, a successful Colorado legislative session passing popular bills on issues like affordable housing and healthcare could reinforce voter **confidence** in Democratic leadership [[^]](https://ballotpedia.org/List_of_United_States_Senators_from_Colorado). Furthermore, an effective, well-funded Hickenlooper campaign that significantly outraises and out-campaigns his Republican opponent, Mark Baisley, along with favorable state and national economic conditions featuring low unemployment and stable prices, would likely secure his victory [[^]](https://www.kunc.org/news/2026-01-14/the-big-bills-to-watch-as-colorados-2026-legislative-session-begins). Conversely, various catalysts could shift **market** **probability** towards the Republican challenger [[^]](https://www.axios.com/local/denver/2026/05/14/2026-legislative-session-colorado-adjournment). A negative national political environment, such as a 'red wave' or strong anti-incumbent sentiment against Democrats in the 2026 midterms, could significantly hurt Hickenlooper [[^]](https://ballotpedia.org/United_States_Senate_elections,_2026). Unfavorable economic conditions, including downturns, high inflation, or job losses, could lead to voter dissatisfaction and a desire for change [[^]](https://ballotpedia.org/United_States_Congress_elections,_2026). Unpopular state-level policies or failures to address Colorado's projected budget shortfall by the Democratic-led state government could also create a backlash affecting federal races [[^]](https://coloradosun.com/2026/05/19/six-biggest-themes-of-colorados-2026-legislative-session/). A strong campaign by Mark Baisley, effectively articulating solutions and mobilizing his base, combined with the outcomes of key statewide ballot measures indicating broader voter sentiment, could pose a serious threat to Hickenlooper's re-election [[^]](https://ballotpedia.org/Colorado_2026_ballot_measures). ## Key Dates & Catalysts - **Expiration:** November 03, 2027 - **Closes:** November 03, 2027 ## Decision-Flipping Events - Several factors could boost incumbent John Hickenlooper's re-election chances in the Colorado Senate race [^] . - A positive national political environment for Democrats, driven by a well-regarded presidential administration or missteps by the national Republican Party, could benefit Hickenlooper [^] . - Similarly, a successful Colorado legislative session passing popular bills on issues like affordable housing and healthcare could reinforce voter **confidence** in Democratic leadership [^] . - Furthermore, an effective, well-funded Hickenlooper campaign that significantly outraises and out-campaigns his Republican opponent, Mark Baisley, along with favorable state and national economic conditions featuring low unemployment and stable prices, would likely secure his victory [^] . ## Related Research Reports - [Which party will win the U.S. House?](/markets/elections/us-elections/which-party-will-win-the-u-s-house/) - [EU loses a member before 2030?](/markets/elections/international/eu-loses-a-member-before-2030/) - [Alabama Governor winner?](/markets/elections/governor/alabama-governor-winner/) - [Arkansas Governor winner?](/markets/elections/governor/arkansas-governor-winner/) ## Historical Resolutions No historical resolution data available for this series. ## Disclaimer This content is for informational and educational purposes only and does not constitute financial, investment, legal, or trading advice. Prediction markets involve risk of loss. Past performance does not guarantee future results. We are not affiliated with Kalshi or any prediction market platform. Market data may be delayed or incomplete. ### Data Sources & Model Transparency **Data Sources:** Octagon Deep Research aggregates information from multiple sources including news, filings, and market data. **Freshness:** Analysis is generated periodically and may not reflect the latest developments. Verify critical information from primary sources. ## Attribution Policy When quoting, summarizing, or reproducing Octagon content, attribute it to Octagon and link to the Octagon source URL: https://www.octagonai.co/markets/elections/senate/colorado-senate-winner If a specific page was used, cite that page rather than only the site homepage.