K KalshiHealth

Will there be a case of polio in the USA this year?

1 outcomeSettles Jan 31, 2027 (92d)

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Favorite8%In 2026
Favorite
8%
In 2026
Runner-up
—
single-outcome market
Biggest 24h move
—
odds steady over the last day
24h volume
$177
$7K open interest · $1 contracts

Current odds

one winner
In 2026 8% -3

Odds over time

daily

Daily closing odds for the leading outcomes.

All outcomes

1
OutcomeOdds24h change24h volumeOpen interest
In 2026 8% -3.0 $177 $7K