Okta to Join S&P 500 in Index Reshuffle Nov. 4

S&P Dow Jones Indices announced that identity security company Okta Inc. will be elevated from the S&P MidCap 400 to the S&P 500, effective before the opening bell on Wednesday, November 4, 2026. Okta, traded on the Nasdaq under the ticker OKTA, will replace Kenvue Inc. in the large-cap benchmark.

The reshuffle triggers a cascade of additional changes across the S&P MidCap 400 and S&P SmallCap 600, as slots vacated by promoted or removed companies are filled by other constituents moving up or being newly added to those indexes. Such multi-tier reconstitutions are standard procedure when S&P Dow Jones Indices adjusts its benchmarks.

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Inclusion in the S&P 500 carries significant market implications for Okta. Index funds and exchange-traded funds that track the benchmark are required to hold shares of every constituent, typically generating substantial buying pressure in the days surrounding the effective date. The move signals that Okta's market capitalization and financial profile now meet the stringent eligibility criteria the index committee applies to S&P 500 candidates.

Kenvue, the consumer health spinoff that had previously occupied the S&P 500 slot, will be repositioned within the broader S&P index family as part of the same rebalancing action. Changes of this nature are closely watched by institutional portfolio managers who must realign holdings to minimize tracking error against their respective benchmarks before markets open on the effective date.

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