OITracker Cboe delayed data

Contract OI history

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Sep 17, 2027 EXPIRATION

MSFT $565.00 Call

MSFT270917C00565000

Latest saved OI452Oct 23, 2026
Last change-6vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $565.00 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. 5052520 2026-10-09: 505 OI2026-10-13: 437 OI2026-10-14: 437 OI2026-10-15: 441 OI2026-10-16: 450 OI2026-10-21: 458 OI2026-10-23: 452 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, 2026Viewing452-6
Oct 21, 2026458+8
Oct 16, 2026450+9
Oct 15, 2026441+4
Oct 14, 20264370
Oct 13, 2026437-68
Oct 09, 2026505No prior observation