Michigan Senate: El-Sayed odds rebound to 78% after Stevens endorsement
Abdul El-Sayed's odds in the Michigan Senate race rebounded to 78% on Kalshi after a dip following Haley Stevens' endorsement of Republican Mike Rogers.
Based on reporting by Dominic Michael Tripi (news.kalshi).
What happened in the Michigan Senate race
Abdul El-Sayed, the Democratic candidate for the U.S. Senate in Michigan, has seen his odds of victory rebound to a new high of 78% on the prediction market platform Kalshi. This surge follows a dramatic dip in his support after former primary opponent and U.S. Representative Haley Stevens endorsed Republican challenger Mike Rogers just two days before the November 3, 2026, midterms. The endorsement, announced on Sunday, initially caused El-Sayed’s winning chances to fall from approximately 76% to 68%, but traders have since reversed course, pushing his odds above previous late-October highs.
The impact of the Stevens endorsement
The decision by Representative Stevens to back Rogers sparked immediate controversy within the Democratic Party. Tensions between Stevens and El-Sayed had been escalating over disagreements regarding Israel and a controversial advertisement from an outside political group. The dispute intensified when El-Sayed’s campaign asked Stevens to withdraw from scheduled campaign appearances. Stevens ultimately appeared with Rogers at a Detroit church service on Sunday to announce her support. The move drew sharp criticism from Democratic leaders, including Senate Minority Leader Chuck Schumer and House Minority Leader Nancy Pelosi, and led to the resignation of several members of Stevens’ congressional staff. Despite the internal friction, El-Sayed’s campaign reported raising approximately $1.2 million in the hours following the endorsement, suggesting the controversy may have energized his base rather than damaging his prospects.
What the polls and markets show
Traditional polling data continues to favor El-Sayed, though the margins vary by survey. A New York Times/Siena poll conducted through November 1 found El-Sayed leading by 11 points (53% to 42%), marking the widest margin in recent polling. However, the poll noted that El-Sayed was running roughly even with men, a demographic that historically leans Republican, and cautioned that previous polls had overestimated his strength in the primary. Other recent surveys show a tighter race: a CNN poll from October 20–27 had El-Sayed ahead by seven points (49% to 42%), while an InsiderAdvantage poll found the race nearly tied at 47% to 46%. In the Kalshi market, traders currently give El-Sayed a 53% chance of winning by at least four percentage points, reflecting a competitive but favorable outlook for the Democrat.
Why this matters for investors and markets
For readers who follow business and markets, the outcome of the Michigan Senate race is significant because it plays a pivotal role in the broader battle for control of the U.S. Congress. A shift in the Senate balance can influence legislative priorities, including tax policy, regulatory frameworks, and spending bills that directly affect corporate earnings and consumer spending. Prediction markets like Kalshi serve as real-time indicators of political risk, allowing investors to gauge the likelihood of policy shifts. The volatility in El-Sayed’s odds highlights how sensitive political markets are to late-breaking news, such as unexpected endorsements or intra-party conflicts. As Election Day approaches, the final turnout and the lasting impact of the Stevens endorsement will be key factors in determining the Senate’s composition and, by extension, the regulatory environment for U.S. businesses.
What to watch next
With Election Day on November 3, attention will turn to final vote counts in Michigan and other key swing states. Investors and analysts should monitor the following:
Senate control: Whether Democrats secure the majority, which could lead to increased spending and regulatory changes.
Turnout in Michigan: The extent to which the Stevens endorsement affected voter turnout among Democrats and Republicans.
Market reaction: How stock and bond markets respond to the final Senate results, particularly in sectors sensitive to government policy such as energy, healthcare, and technology.
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