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Will MongoDB (MDB) be added to the S&P 500 by December 31, 2026?

Yes 10.5%

Vol$453.49

SnapshotOct 29, 2026, 12:00 PM UTC

Yes 10.5%

TradeTrade on Polymarket

Event

MarketPOLYMARKETactive

MarketPOLYMARKETactiveTech

Will MongoDB (MDB) be added to the S&P 500 by December 31, 2026?

Part of: Which companies added to S&P 500 in Q4 2026?

YesYes Price

10.5¢

VolTotal Volume

$453.49

Outcomes

Ends

Jan 1, 2027, 4:59 AM UTC

Trade on Polymarket

Will MongoDB (MDB) be added to the S&P 500 by December 31, 2026?

Yes

10.5¢

Vol

$453.49

Outcomes

Trade

Yes10.5¢

No89.5¢

Outcome

Yes quoted price: 10.5%. Snapshot Oct 29, 2026, 12:00 PM UTC. History may have a different observation time.

Price History

Will MongoDB (MDB) be added to the S&P 500 by December 31, 2026? · Yes

No historical data available

Price history will appear here when available

Rules and settlement

Listed close: Jan 1, 2027, 4:59 AM UTC. Settlement follows the provider's contract terms and may occur later.

The S&P 500 undergoes quarterly reconstitution on the third Friday of March, June, September, and December. The next rebalance is currently scheduled for December 18, 2026. This market will resolve to "Yes" if S&P Global Inc. announces that the listed company will be added to the S&P 500 index by December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No." To qualify, the listed ticker must match the announced ticker added to the index. An announcement from S&P will qualify for a "Yes" resolution, regardless of whether the listed company has actually been added to the S&P 500 index by the resolution date. The primary resolution source will be official announcements from S&P Global Inc. (https://www.spglobal.com/en/press/press-release).

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Resolution Info