Obama’s Support for Dems Doesn’t Sway Midterms Odds at Prediction Markets

Grant Mitchell - News Editor
Grant Mitchell • News Editor 5+ years betting experience
Updated: Oct 28, 2026 , 08:45 AM ET • 3 min read

Barack Obama campaigned for Democratic candidates Amy Acton and Abdul El-Sayed, but prediction markets showed slight drops following the events.

Former President Barack Obama speaks to a crowd during a Michigan Democratic Party get-out-the-vote rally at Cass Technical High School in Detroit on Saturday, Oct. 24, 2026.
Photo By - Reuters Connect.

Former President Barack Obama hit the campaign trail over the weekend to support a pair of Democratic candidates that prediction market apps favor to win.

The 44th U.S. President turned up at events for gubernatorial hopeful Amy Acton (D-OH) and Senate suitor Abdul El-Sayed (D-MI).

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Key Takeaways
  • Prediction markets went against Democrats supported by Obama during weekend rallies
  • Both candidates are still favored at the time of writing
  • Democrats are expected to win majorities in the House and Senate following two years of Republican control

Obama knows how to win over a crowd after his successful White House campaigns in 2008 and 2012. Although it’s been nearly 10 years since he left the White House, he’s still busy speaking at rallies; now he’s doing it for candidates he supports.

One such individual is Acton, the former Director of the Ohio Department of Health, who hopes to replace outgoing Ohio Gov. Mike DeWine (R). Obama shared his support for his fellow Democrat during a Saturday, Oct. 24 event at the Cleveland Public Auditorium in Cleveland, OH.

In addition to praising Acton, Obama also criticized Republican challenger Vivek Ramaswamy (R) for a controversial ad he approved. The ad featured Acton’s estranged mother, Donna Arthur, who called her daughter a “liar.”

Acton has openly spoken about experiencing physical and sexual abuse and neglect as a child. Her mother still stayed with her stepfather, who was charged with sexually abusing Acton when she was 12 years old, according to court documents.

Ramaswamy’s ad never specified what made Acton a “liar.”

“There’s a decency that we should expect out of our public officials,” Obama said. “And I don’t know what’s happened where the standards of behavior have gotten so low that somebody can run an ad like that… No office is worth stooping that low.”

Acton had an 81% chance of winning the ongoing gubernatorial race the morning of the rally, according to Kalshi’s prediction market. The market briefly swung in Ramaswamy’s favor immediately following the event, but rebounded to have Acton at an 82% likelihood as of Monday afternoon. The predicted margin is 4.8%.

More than $5 million has been traded in the market.

More harm than good?

Just hours after appearing on the Cleveland stage, Obama was at Cass Technical High School in Detroit, Michigan, with U.S. Senate candidate El-Sayed and gubernatorial nominee Jocelyn Benson to kick off early in-person voting.

Obama’s speech attacked President Donald Trump and congressional Republicans for “broken promises” and policies they implemented, while promising that El-Sayed would “finish the job we started” with the Affordable Care Act.

“We’re clear about the choice in this election,” Obama said. “Abdul is fighting for change, real change, change that will bring an end to this war. Change that will get money out of politics and put money in your pocket.”

Obama also quipped that Trump was more focused on renovating his home—referencing the ongoing ballroom makeover in the White House—than on political policy, concluding that “he should be on HGTV.”

Securing the Black vote is critical in Michigan, whose race is decided by the primarily African American-dominated capital, Detroit. El-Sayed’s opponent, former Rep. Mike Rogers (R), has also made strides to win over Black voters, while El-Sayed underperformed his opponent, Rep. Haley Stevens (D), in the primary.

“Abdul is as Michigan as it gets,” Obama said. “Abdul was born here. He was raised here. Parents in the auto industry… Captain of his high school football and lacrosse and wrestling teams.”

El-Sayed had a 68% chance of winning the Senate spot when the event kicked off. As with Acton, Kalshi users showed more support for the Republican challenger, Rogers, immediately after the event, dropping El-Sayed to as low as 64% on Monday morning. He climbed back to 66% at the time of writing and has a +2.1% margin forecast.

$13.2 million has been traded in this prediction market at Kalshi.

Read more on Michigan midterm odds here.

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Grant Mitchell - News Editor
News Editor

Grant jumped into the sports betting industry as soon as he graduated from Virginia Tech in 2021. His fingerprints can be found all over the sports betting ecosystem, including his constant delivery of breaking industry news. He also specializes in finding the best bets for a variety of sports thanks to his analytical approach to sports and sports betting.

Before joining Covers, Grant worked for a variety of reputable publications, led by Forbes.

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