Will David Costello be the Democratic nominee for the Senate in Maine?
If David Costello wins the nomination for the Democratic Party to contest the 2026 Class II Maine Senate seat, then the market resolves to Yes.
This is a kalshi prediction market in the politics category. Currently priced at 1% probability of YES. Total volume traded: $46K. 24-hour volume: $11K. Market closes November 3, 2026.
Updated Trade on Kalshi
kalshipolitics
Will David Costello be the Democratic nominee for the Senate in Maine?
Closes: Nov 3, 2026
1% Yes
Buy Yes
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Buy No
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24h Vol24h Volume
$11K
TotalTotal Volume
$46K
OIOpen Interest
$41K
Resolution Rules
If David Costello wins the nomination for the Democratic Party to contest the 2026 Class II Maine Senate seat, then the market resolves to Yes.
Market Analysis