MSCI Inc., US55354G1004

MSCI stock heads into the open after a 0.66 percent gain

Published on 09/21/2026 at 06:36 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

At the close on September 18, 2026, MSCI stock finished at USD 553.10 on the NYSE and rose 0.66 percent. The move came with volume of 841,016 shares, while the Nasdaq Composite added 0.39 percent that session.

Finanzdistrikt bei Nacht mit digitaler Kurstafel und beleuchteten Bürotürmen
MSCI Inc. (ISIN US55354G1004) Finanzviertel bei Dämmerung mit beleuchteten Index-Kursanzeigen an Bürofassade, Illustration mit AI erstellt.

MSCI stock closed at USD 553.10 on the NYSE on September 18, 2026, up 0.66 percent. The shares finished between a day range of USD 544.18 and USD 555.40 on volume of 841,016 shares.

September 18, 2026 in numbers

MSCI Inc. (ISIN US55354G1004) traded above the Nasdaq Composite, which gained 0.39 percent to 26,522.55 that session. The stock also ended well above its 52-week low of USD 501.08 and below its 52-week high of USD 644.77.

MarketBeat lists MSCI at USD 553.10 with a market capitalization of USD 40.21 billion as of the last completed session. The same page shows extended trading at USD 554.51 at 7:30 PM Eastern on September 18, 2026.

Today ahead of the open

MarketBeat shows MSCI's next earnings date as October 20, 2026. MSCI is also set to be in focus with broader U.S. equity trading after the Nasdaq Composite and S&P 500 both finished higher in the last session.

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