Who is currently leading in Janet Mills be the Democratic nominee for Senate in Maine?

NO holds at 99% 66 days out. $464K has traded, suggesting overwhelming conviction from the market with 66 days remaining.

How much money is behind these odds?

$464K total, relatively stable over the last 24 hours. Volume tends to accelerate as resolution approaches and traders adjust positions.

How do I read these odds?

This is a binary YES/NO market. NO's 99% means traders collectively believe there's roughly a 99% chance of that outcome -- extremely likely to occur. These percentages are based on money committed, not polls or surveys. Prices shift when new information changes conviction.