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Contract OI history

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Sep 17, 2027 EXPIRATION

MSFT $540.00 Call

MSFT270917C00540000

Latest saved OI289Oct 23, 2026
Last change+9vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $540.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2891440 2026-10-09: 277 OI2026-10-13: 278 OI2026-10-14: 278 OI2026-10-15: 279 OI2026-10-16: 280 OI2026-10-21: 280 OI2026-10-23: 289 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

MSFT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing289+9
Oct 21, 20262800
Oct 16, 2026280+1
Oct 15, 2026279+1
Oct 14, 20262780
Oct 13, 2026278+1
Oct 09, 2026277No prior observation