TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 24, 8:11 PM EST
Kalshi
This market tracks whether Abdul El-Sayed's margin of victory in the 2026 Michigan Democratic Senate primary will fall between 0% and 3%. On Kalshi, the leading outcome currently holds a 99.0% probability, while the second outcome stands at 1.0%. The market resolution will be determined by official election results. The outcome will be resolved following the primary election on August 4, 2027.
The margin of victory is calculated as the vote percentage or raw vote count of the leading candidate minus that of the second-place finisher if the candidate wins, or minus the first-place finisher if the candidate loses. For tied first place, the margin is zero. Each margin range is inclusive of its lower bound and exclusive of its upper bound, with no rounding applied. If a candidate runs under multiple parties or appears multiple times, votes are summed. For uncontested races, the margin is 100 percentage points or total votes cast. Exact margin boundaries follow strict mathematical precision—for example, 5.99999% falls in the 5-6% range while exactly 6% falls in the 6-7% range.
Prediction market odds on Kalshi reflect traders' aggregated expectations about the Michigan Democratic Senate primary margin, often incorporating polling data alongside campaign momentum, fundraising, and endorsements. While traditional polling averages measure voter preference at a single point in time, prediction markets price in uncertainty and evolving conditions through continuous trading. Discrepancies between market odds and polls can signal trader skepticism about poll accuracy, changing dynamics, or differential weighting of late-breaking developments in the race.
The Michigan Democratic Senate primary margin of victory market resolves on Aug 4, 2027. Resolution is determined by the official margin between the top two finishers in the Democratic primary election, as reported by Michigan election authorities. The outcome will be measured as a percentage-point difference and matched against the specific margin ranges defined in each contract. Once official results are certified, the market settles based on which outcome bracket the actual margin falls into.
Key catalysts for the Michigan Democratic Senate primary margin include new polling releases showing shifts in candidate support, major endorsements or campaign announcements, debate performances, fundraising reports, and local media coverage. Unexpected candidate withdrawals or entry could reshape the race dynamics. National political developments affecting Democratic primary momentum, demographic shifts in voter turnout, and ground-game intensity in key regions may also influence final margin expectations. Traders monitor these signals continuously to adjust their positions ahead of the Aug 4, 2027 primary.