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Politics·Primaries

Ohio Democratic Senate Primary Winner

icon for Ohio Democratic Senate Primary Winner
Politics·Primaries

Ohio Democratic Senate Primary Winner

Sherrod Brown 100.0%

Greg Landsman <1%

Tim Ryan <1%

Allison Russo <1%

Polymarket

$21,623 Vol.

Sherrod Brown 100.0%

Greg Landsman <1%

Tim Ryan <1%

Allison Russo <1%

Polymarket

$21,623 Vol.

Sherrod Brown

$7,606 Vol.

Yes

Greg Landsman

$9,508 Vol.

No

Tim Ryan

$2,288 Vol.

No

Allison Russo

$2,221 Vol.

No

This market will resolve according to the winner of the Democratic Primary for United States Senator from Ohio. If no 2026 Ohio Democratic Senate Primary takes place, this market will resolve to "Other". The resolution source for this market will be the first announcement of the results from the Ohio Democratic party, however an overwhelming consensus of credible reporting may suffice.Former U.S. Senator Sherrod Brown clinched the Ohio Democratic Senate primary on May 5, 2026, with overwhelming results that solidify trader consensus at 100% for his nomination in the special election general. Brown's commanding position stemmed from his incumbency advantage, superior fundraising, and dominant polling averages throughout the campaign, dwarfing challengers Greg Landsman, Tim Ryan, and Allison Russo amid low-turnout primaries typical of special elections. Party endorsements and his prior statewide victories reinforced skin-in-the-game bets on a rout. While certification is routine, realistic challenges could arise from vote recounts, legal disputes over ballots, or irregularities prompting state canvassing board review before the November general against the Republican nominee.

This market will resolve according to the winner of the Democratic Primary for United States Senator from Ohio.

If no 2026 Ohio Democratic Senate Primary takes place, this market will resolve to "Other".

The resolution source for this market will be the first announcement of the results from the Ohio Democratic party, however an overwhelming consensus of credible reporting may suffice.
Volume
$21,623
End Date
May 5, 2026
Market Opened
Dec 2, 2025, 3:41 PM ET

Resolver

0x2F5e3684c...
This market will resolve according to the winner of the Democratic Primary for United States Senator from Ohio. If no 2026 Ohio Democratic Senate Primary takes place, this market will resolve to "Other". The resolution source for this market will be the first announcement of the results from the Ohio Democratic party, however an overwhelming consensus of credible reporting may suffice.

Outcome proposed: Yes

No dispute

Final outcome: Yes

This market will resolve according to the winner of the Democratic Primary for United States Senator from Ohio. If no 2026 Ohio Democratic Senate Primary takes place, this market will resolve to "Other". The resolution source for this market will be the first announcement of the results from the Ohio Democratic party, however an overwhelming consensus of credible reporting may suffice.Former U.S. Senator Sherrod Brown clinched the Ohio Democratic Senate primary on May 5, 2026, with overwhelming results that solidify trader consensus at 100% for his nomination in the special election general. Brown's commanding position stemmed from his incumbency advantage, superior fundraising, and dominant polling averages throughout the campaign, dwarfing challengers Greg Landsman, Tim Ryan, and Allison Russo amid low-turnout primaries typical of special elections. Party endorsements and his prior statewide victories reinforced skin-in-the-game bets on a rout. While certification is routine, realistic challenges could arise from vote recounts, legal disputes over ballots, or irregularities prompting state canvassing board review before the November general against the Republican nominee.

This market will resolve according to the winner of the Democratic Primary for United States Senator from Ohio.

If no 2026 Ohio Democratic Senate Primary takes place, this market will resolve to "Other".

The resolution source for this market will be the first announcement of the results from the Ohio Democratic party, however an overwhelming consensus of credible reporting may suffice.
Volume
$21,623
End Date
May 5, 2026
Market Opened
Dec 2, 2025, 3:41 PM ET

Resolver

0x2F5e3684c...
This market will resolve according to the winner of the Democratic Primary for United States Senator from Ohio. If no 2026 Ohio Democratic Senate Primary takes place, this market will resolve to "Other". The resolution source for this market will be the first announcement of the results from the Ohio Democratic party, however an overwhelming consensus of credible reporting may suffice.

Outcome proposed: Yes

No dispute

Final outcome: Yes

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Frequently Asked Questions

"Ohio Democratic Senate Primary Winner" is a prediction market on Polymarket with 4 possible outcomes where traders buy and sell shares based on what they believe will happen. The current leading outcome is "Sherrod Brown" at 100%, followed by "Greg Landsman" at 0%. Prices reflect real-time crowd-sourced probabilities. For example, a share priced at 100¢ implies that the market collectively assigns a 100% chance to that outcome. These odds shift continuously as traders react to new developments and information. Shares in the correct outcome are redeemable for $1 each upon market resolution.

As of today, "Ohio Democratic Senate Primary Winner" has generated $21.6K in total trading volume since the market launched on Dec 2, 2025. This level of trading activity reflects strong engagement from the Polymarket community and helps ensure that the current odds are informed by a deep pool of market participants. You can track live price movements and trade on any outcome directly on this page.

To trade on "Ohio Democratic Senate Primary Winner," browse the 4 available outcomes listed on this page. Each outcome displays a current price representing the market's implied probability. To take a position, select the outcome you believe is most likely, choose "Yes" to trade in favor of it or "No" to trade against it, enter your amount, and click "Trade." If your chosen outcome is correct when the market resolves, your "Yes" shares pay out $1 each. If it's incorrect, they pay out $0. You can also sell your shares at any time before resolution if you want to lock in a profit or cut a loss.

The current frontrunner for "Ohio Democratic Senate Primary Winner" is "Sherrod Brown" at 100%, meaning the market assigns a 100% chance to that outcome. The next closest outcome is "Greg Landsman" at 0%. These odds update in real-time as traders buy and sell shares, so they reflect the latest collective view of what's most likely to happen. Check back frequently or bookmark this page to follow how the odds shift as new information emerges.

The resolution rules for "Ohio Democratic Senate Primary Winner" define exactly what needs to happen for each outcome to be declared a winner — including the official data sources used to determine the result. You can review the complete resolution criteria in the "Rules" section on this page above the comments. We recommend reading the rules carefully before trading, as they specify the precise conditions, edge cases, and sources that govern how this market is settled.