OITracker Cboe delayed data

Contract OI history

Back to MSFT

Oct 23, 2026 EXPIRATION

MSFT $585.00 Call

MSFT261023C00585000

Latest saved OI380Oct 23, 2026
Last change-16vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $585.00 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. 4142070 2026-10-09: 279 OI2026-10-13: 414 OI2026-10-14: 414 OI2026-10-15: 406 OI2026-10-16: 402 OI2026-10-21: 396 OI2026-10-23: 380 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, 2026Viewing380-16
Oct 21, 2026396-6
Oct 16, 2026402-4
Oct 15, 2026406-8
Oct 14, 20264140
Oct 13, 2026414+135
Oct 09, 2026279No prior observation