Which companies added to S&P 500 in Q1 2026?
PolymarketClosedCheck availabilityNo KYC2% feeVerified resolution dataFairly calibratedThis market is closed and awaiting confirmed resolution.
Unverified resolution data
This outcome is inferred or unsupported by provider-grade settlement evidence.
Current implied probability
Vertiv Holdings (VRT) 100%Leader of 7 outcomes
Market quality
7 / 100
Low quality24h Volume
$0
Liquidity
$0
Low liquidityBid / Ask
-
Market data
Updated 118 days ago
StaleDec 17, 25, 10:35 PMMar 31, 26, 12:00 AM
Trends
100%
100%
0%
0%
0%
0%
This market has closed. Mock trading is available on open markets only.
Compare venues· Vertiv Holdings (VRT)
Ranked by market quality, then liquidity and 24h volume| Venue | Quality | Probability | vs reference | 24h Vol | Liq | Freshness | |
|---|---|---|---|---|---|---|---|
| PolymarketThis pageBest overall | Low | 100% | — | $0 | $0 | 118 days ago | |
 Kalshi65% match · verified | Low | 99% | — | $0 | $0 | 151 days ago | Open → |
Also available on Kalshi
Which companies will be added to the S&P 500 in Q1 of 2026?
Closed
99%
99%
-1.0pt2%
+4 more outcomes
7 • Low qualitySpread unknownLow liquidityThin market
Total Vol$0
24h Vol$0
KALSHIRules
The S&P 500 undergoes quarterly reconstitution on the third Friday of March, June, September, and December. The next rebalance is currently scheduled for March 20, 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 March 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).
Probabilities may differ due to different market structures, fees, and participant pools.
Rules
The S&P 500 undergoes quarterly reconstitution on the third Friday of March, June, September, and December. The next rebalance is currently scheduled for March 20, 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 March 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).