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Contract OI history

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Sep 17, 2027 EXPIRATION

MSFT $535.00 Call

MSFT270917C00535000

Latest saved OI573Oct 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 $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. 5732860 2026-10-09: 374 OI2026-10-13: 560 OI2026-10-14: 560 OI2026-10-15: 567 OI2026-10-16: 564 OI2026-10-21: 564 OI2026-10-23: 573 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, 2026Viewing573+9
Oct 21, 20265640
Oct 16, 2026564-3
Oct 15, 2026567+7
Oct 14, 20265600
Oct 13, 2026560+186
Oct 09, 2026374No prior observation