Who will win the Michigan Senate race? Democrat Abdul El-Sayed is the favorite, but not a heavy one. As of September 7, Kalshi has El-Sayed at 63 to 64 cents to beat Republican Mike Rogers on November 3, and a 63-cent contract means the market gives him a 63% chance. Our price-blind AI panel, which scores the race without seeing the market, has it closer at 54-46 El-Sayed.
The two numbers moved together in August. A Susquehanna poll taken August 11 to 17 had El-Sayed up seven, the polling average swung from a Rogers lead back to roughly a tie, and Kalshi pushed El-Sayed to a 60-cent favorite on heavy trading. The panel, re-scored on the new polls, moved up from a coin flip but stopped short of the market, and the market has since kept climbing without it. That nine-point gap is what the rest of this page is about.
The Board
| Kalshi price | AI panel | |
|---|---|---|
| Abdul El-Sayed (D) wins | 63 bid / 64 ask | 54% |
| Mike Rogers (R) wins | 36 bid / 37 ask | 46% |
| Market | "Michigan Senate winner?" (Kalshi event SENATEMI-26), one yes/no contract per party. Settles by party at the January 4, 2027 swearing-in, or earlier once a consensus of media organizations projects the November 3 winner | |
| Depth | Open interest of about 890,500 contracts on the Democratic line, with about 3,200 traded in the last day | |
| Snapshot | Prices as of September 7, 2026, 4:41 a.m. ET. Verdicts generated August 20, 2026, from five seats. The hero graphic still shows the August 20 bars |
More live boards from the same panel: Iowa Senate (Republican Ashley Hinson 64¢ bid / 65¢ ask at 4:52 a.m. ET on September 7) · Minnesota Senate (Democrat Peggy Flanagan 92¢ bid / 92¢ ask) · North Carolina Senate (Democrat Roy Cooper 91¢ bid / 92¢ ask)
These are model estimates, not predictions of fact and not financial advice or voting advice. Kalshi event contracts trade on a CFTC-regulated exchange; you must be 18 or older and in an eligible state to participate, and this article does not advocate for or against any candidate or party.
What Moved Since September 4
Not the price, though this page's board was still carrying August 20's 60-61 until today. El-Sayed's contract has traded between 62 and 64 cents on all four days since September 4, on about 46,800 contracts, and Rogers has held 36 to 38 on about 19,300. The repricing that took this board from 60-61 to 63-64 happened the week before, and so did most of what is new to this page.
- The repricing ran through the Rogers side of the book. From August 27 through September 1, about 392,800 Rogers contracts changed hands against about 100,700 on the El-Sayed line, close to four Rogers contracts for every one on El-Sayed. The biggest single print in the window was 41,689 contracts at 39 cents at 9:34 a.m. ET on August 28, taken on the no side, and a series of 10,000-lot no-side fills walked Rogers from 40 to 36 by the morning of September 1.
- Two more polls landed on El-Sayed's side. EPIC-MRA surveyed 600 likely voters August 22 to 28 and had El-Sayed 47, Rogers 43, with 10% undecided or refusing. Michigan State University's State of the State survey, fielded August 10 to 20 with YouGov and released September 1, had El-Sayed 48-44 among registered voters and 50-45 among likely voters, with director Matt Grossmann noting Rogers "is running ahead of James, with more success among independents."
- The average moved with them. The PollingSource 30-day aggregate read El-Sayed 47.0 to Rogers 43.9 at the September 7 fetch, a three-point Democratic edge across seven polls, after sitting at a near-tie on August 20.
- The debate has a date. Both campaigns agreed to an October 8 debate at a Michigan TV station, the first of the five El-Sayed asked for. Cook and Sabato still rate the seat a Toss-up.
The panel's 54 is frozen at its August 20 run and has not seen the EPIC-MRA or MSU numbers. EPIC-MRA is a likely-voter poll; MSU carries El-Sayed up four among registered voters and up five among likely voters. The panel's own August 20 note said a run of polls in one direction would pull it toward the market. That run arrived, and the panel was not there to see it. The gap widened to nine because the market moved on EPIC-MRA and MSU and the 54 could not.
What Moved In August
On August 5, the day after the primary, the exchange had El-Sayed at 62.5 cents and the panel scored a coin flip. By August 18 the first post-primary polls had favored Rogers and the market had drifted El-Sayed down to 56.5 cents. Then the polling turned.
- A fresh poll flipped the average. Susquehanna Polling and Research, a pollster PollingSource labels Republican-aligned, surveyed likely voters August 11 to 17 and had El-Sayed 46, Rogers 39, with 91% of Democrats behind their nominee. It is the clearest sign yet that the party consolidated after a bruising primary.
- The average followed. The PollingSource 30-day aggregate, which includes partisan and sponsored polls, read El-Sayed 44.8 to Rogers 44.4 at the August 20 fetch, after carrying a roughly four-point Rogers edge two weeks earlier.
- The market repriced on volume. El-Sayed's contract climbed from a 56.5-cent mid to about 60.5 cents on roughly 92,700 contracts in a day, real money resetting the price rather than one market maker re-quoting.
What Decides This Race
Six facts pull against each other.
The freshest polls favor El-Sayed. The fuller record at the August 20 run still favored Rogers. Susquehanna had him up seven, GBAO a week earlier had him up six among likely voters, and TIPP had him up four among registered voters, 43-39. Against that, the Beacon Research and Shaw poll for Fox News through August 10 had Rogers up four, and the ToWin poll completed August 14 also had Rogers ahead.
Averaged across the non-partisan head-to-heads the seats saw at the August 20 fetch, Rogers led by about three. Averaged across only the month before that fetch, the two were tied. The trend has bent toward El-Sayed since, while the level stays close.
The Democrat who polled better against Rogers is the one who lost. Through the primary, Haley Stevens ran roughly even with Rogers in the same pollsters' head-to-heads while El-Sayed trailed by about three. Michigan Democrats nominated the weaker general-election poller by about 15,000 votes. The bearish seats keep returning to that gap, and the consolidation in the Susquehanna numbers is the counter-argument to it.
The national environment points El-Sayed's way. The generic congressional ballot sits at D+6.6 and presidential approval is a net −21.7, both as of August 17. The president's party has lost House seats in 18 of the last 20 midterms, and the two exceptions needed an impeachment backlash or a wartime rally that is nowhere in evidence. The same wind blows through every open seat this cycle, and on Iowa's open Senate race the same method still keeps Republican Ashley Hinson favored in spite of it.
Michigan decides these races by fractions. In 2024, running for the state's other Senate seat, Elissa Slotkin beat this same Mike Rogers by 19,006 votes, or 0.34 points, while Donald Trump carried the state by about a point and a half at the top of the same ballot. Nobody on either side of this disagreement is arguing for a comfortable margin.
Midterm polls in the Trump era have been nearly unbiased. Presidential-year surveys understated Republicans by three to five points, but the two midterms without Trump on the ballot missed by −0.3 in 2018 and +0.9 in 2022. There is no recent history of midterm polls underselling either party, so read these numbers close to face value.
The professionals call it even. Cook Political Report, Sabato's Crystal Ball, The Economist and Decision Desk HQ all rate the open seat a Toss-up, and PollingSource lists Inside Elections at Toss-up as well.
Why The Panel Sits Nine Points Below The Market
Every seat started from the same place: the midterm base rate and a deeply negative approval number put the Democrat ahead of even in a swing state. They split on how much weight the state polls deserve.
The high seat, Fable, sat at 60%, level with the market at the time of the run, and let the environment dominate:
A D+6.6 generic ballot with presidential approval at −22 tilts an evenly divided open seat Democratic, despite El-Sayed's measured underperformance versus Stevens and near-tied recent polling. — Claude Fable (84% on 508 graded calls)
The seats at 52% read the head-to-heads as already containing the environment. Opus made that case most directly and held it after seeing the others push the national number:
The most direct evidence remains the live head-to-head feed: the non-partisan El-Sayed-vs-Rogers average sits at about Rogers +3, and the second aggregator has only just been dragged to a near-tie by a single new poll. That state-level polling already incorporates the national environment. — Claude Opus (85% on 578 graded calls)
Every seat read the other four in the revision round and held its number. The blend landed at 54, six below the market's 60 at the time of the run and nine below where it trades today, because the fuller polling record still tilts Rogers and the exchange, reacting to the newest survey, has largely priced that tilt out.
The market's case is not careless. Democratic enthusiasm in a referendum midterm is exactly what a registered-voter sample misses, the generic ballot is the strongest single number on the board, and the campaign had barely begun at the stamp. The panel weighed all three and still would not chase El-Sayed to the market's price. It is not the only Midwest board where that happens: on Minnesota's open Senate seat, the models likewise shave points off a confident DFL price.
One caveat on the instrument: three of the usual eight seats were unavailable this run, so the blend is a five-model mean rather than the full panel.
What Would Move The Number
- Likely-voter polling through September. One strong poll is not a trend, and the screen matters: in the same August window, Beacon's Rogers +4 was registered voters and Susquehanna's El-Sayed +7 was likely voters. A run of likely-voter polls in one direction settles it. A sustained El-Sayed lead pulls the panel up to the market; a reversion to the Rogers-plus-three average makes today's 63-cent price the outlier.
- The first debate, October 8. Both candidates are new to a statewide general-election stage against each other. El-Sayed asked for five debates and Rogers agreed to one, and a race this tight is where a debate moment moves polls.
- A rating agency moving off Toss-up. Cook or Sabato shifting either way would be the first professional revision since the matchup became real.
- Third-quarter fundraising, reported in October. Through the June 30 filings, El-Sayed had out-raised Rogers on the quarter while Rogers held the larger cash reserve after a costly primary campaign, per FEC filings. Whether El-Sayed refills that account is a real test of the consolidation thesis.
What The Panel Doesn't Score: The Controversies
The panel prices polls, environment and structure, not the day-to-day campaign. For the record, and framed strictly as the public record rather than judgment, both candidates have drawn scrutiny this cycle.
- Mike Rogers. Rogers has repeatedly claimed, without evidence, that his narrow 2024 loss and Michigan's 2024 election were tainted by fraud, claims Michigan officials and fact-checkers have rejected. He has faced carpetbagger questions over relocating to Florida after leaving Congress. PolitiFact rated as false his ad tying El-Sayed to a streamer's 2019 remarks about 9/11. His joint fundraising committee also lost $16,700 in April to a fake invoice sent from a hacked vendor email.
- Abdul El-Sayed. El-Sayed has faced criticism over resurfaced and since-deleted clips and posts of past progressive statements, and over a campus appearance with a streamer that Jewish groups and opponents criticized. He was also, per Al Jazeera, the target of an organized anti-Muslim messaging effort.
None of this enters the panel's number.
More on this: 2026 Senate Races: Every Kalshi Board We Track · Michigan Senate Election 2026 Candidates: El-Sayed Favored · Why Abdul El-Sayed (D) Will Win the Michigan Senate Race · Why Mike Rogers (R) Will Win the Michigan Senate Race · Is It Legal To Bet On Elections In Michigan? The 2026 Rules
The Bottom Line
The market and the panel agree El-Sayed is the favorite and disagree only on how clear a one, 63 to 64 cents against 54. The next round of likely-voter polls decides which was right. Until then the professionals still call it a toss-up, which is the safest reading of a state that settles its Senate races by fractions of a point. If this method is your thing, our North Carolina Senate board and our 2026 Senate election odds chamber breakdown are the natural next reads.
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