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Contract OI history

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Oct 23, 2026 EXPIRATION

MSFT $525.00 Call

MSFT261023C00525000

Latest saved OI1,924Oct 23, 2026
Last change+776vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $525.00 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. 1,9249620 2026-10-09: 830 OI2026-10-13: 837 OI2026-10-14: 837 OI2026-10-15: 839 OI2026-10-16: 841 OI2026-10-21: 1,148 OI2026-10-23: 1,924 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, 2026Viewing1,924+776
Oct 21, 20261,148+307
Oct 16, 2026841+2
Oct 15, 2026839+2
Oct 14, 20268370
Oct 13, 2026837+7
Oct 09, 2026830No prior observation