MI-13 Democratic Primary Winner

Platform comparison

Market context

The contest has narrowed sharply in the final days before voting, with only Shri Thanedar and Donavan McKinney still in the Democratic field after other hopefuls were removed or disqualified, making the race much more legible than it was earlier in the cycle.[1][7][18] That is the key change behind the market’s present 19% implied probability: it no longer reflects a crowded primary, but a direct head-to-head in a reliably Democratic Detroit-area district.[1][4][18]

For context, Thanedar entered the cycle with the advantages of incumbency and money, including a large cash-on-hand lead that earlier trader models treated as a major edge.[5] But comparable Michigan primaries often turn on turnout rather than name recognition alone, especially when the field collapses late and local organisational strength matters more than headline fundraising.[3][5] In 2024, Thanedar also survived a primary challenge in the district, which is a useful reminder that incumbency has worked for him before, even if the 2026 matchup is different.[3]

The immediate catalysts are straightforward: the August 4 primary itself, any late endorsements, and the final candidate list and ballot administration from state and county election officials.[2][11][16] Recent reporting has already framed the race as a two-candidate fight, and local coverage this week has kept the district in view as one of Michigan’s key primary contests.[4][7] Traders should also watch for any official Democratic Party confirmation of the nominee after results are reported, because the market resolves on the Democratic nominee for the general election, with “Other” only if no nominee is announced by the November deadline.[2]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Prediction Today, which mirrors the Polymarket order book directly.

Resolution & payout

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FAQ

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How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.