Twilio shifts up from the S&P MidCap 400 as part of this reshuffle. These membership changes to the S&P 500 and MidCap 400 occur as part of the standard periodic updates to the tracking lists of the index provider.
Wednesday, October 21, 2026
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US Markets19 days ago
Warner Bros. Discovery and Corteva are exiting the S&P 500 after a constituent rebalancing by S&P Dow Jones Indices. Twilio and Vylor enter the large-cap index in the update, with Twilio taking the specific place of Warner Bros. Discovery in the benchmark.

Twilio shifts up from the S&P MidCap 400 as part of this reshuffle. These membership changes to the S&P 500 and MidCap 400 occur as part of the standard periodic updates to the tracking lists of the index provider.
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SPY
State Street SPDR S&P 500 ETF Trust
Possible scenarios
Each figure is the modeled move of the S&P 500 if the outcome occurs. For information only. Not investment advice.