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Contract OI history

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Dec 18, 2026 EXPIRATION

MSFT $535.00 Call

MSFT261218C00535000

Latest saved OI3,437Oct 23, 2026
Last change+442vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $535.00 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. 3,4371,7180 2026-10-09: 2,889 OI2026-10-13: 2,871 OI2026-10-14: 2,871 OI2026-10-15: 2,897 OI2026-10-16: 2,881 OI2026-10-21: 2,995 OI2026-10-23: 3,437 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, 2026Viewing3,437+442
Oct 21, 20262,995+114
Oct 16, 20262,881-16
Oct 15, 20262,897+26
Oct 14, 20262,8710
Oct 13, 20262,871-18
Oct 09, 20262,889No prior observation