K KalshiMarkets & Companies

Which companies will be added to the S&P 500 in Q4?

4 outcomesSettles Jan 01, 2027 (76d)

Embed these odds

Paste this into any web page or blog post. The odds refresh every minute.

Theme
Preview
50/50 line8%ATI
Line nearest 50/50
8%
ATI
Runner-up
7%
MongoDB
Biggest 24h move
—
odds steady over the last day
24h volume
$70
$459 open interest · $1 contracts

Current odds

ladder — each rung is its own yes/no
ATI 8% -86
MongoDB 7% -3
Zoom 7% -3
SpaceX 6% -88

Odds over time

daily

Daily closing odds for the leading outcomes.

All outcomes

4
OutcomeOdds24h change24h volumeOpen interest
ATI 8% -86.0 $14 $14
MongoDB 7% -3.0 $18 $118
Zoom 7% -3.0 $18 $28
SpaceX 6% -88.0 $20 $299