Live prediction market odds for Which companies added to S&P 500 in Q1 2026?. Compare prices across Kalshi and Polymarket.
Kalshi / Polymarket
2026-03-31
Market Summary
In the latest prediction market odds for Which companies added to S&P 500 in Q1 2026?, Vertiv Holdings (VRT) leads with an average implied probability of 65.8%. Top contenders trailing the frontrunner include SoFi Technologies (SOFI) (23.3%), Alnylam Pharmaceuticals (ALNY) (17.5%), Affirm Holdings (AFRM) (4.7%), and Pure Storage (PSTG) (4.3%). Traders monitoring this market will find an active arbitrage window with a 11.5% spread across platforms.
Market Narrative // Why the odds are moving
Vertiv Holdings sees its odds drop 16 points to 62% following major insider stock sales, signaling potential concerns ahead..
Sources: Prediction Hunt
Resolution
This market resolves based on official announcements from authoritative sources. Prediction Hunt aggregates odds across platforms but does not determine outcomes. Each platform maintains its own resolution criteria — check each platform's rules before trading.
Vertiv Holdings (VRT)
65.8% avg
