OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

MSFT $350.00 Call

MSFT280121C00350000

Latest saved OI1,843Oct 23, 2026
Last change-19vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $350.00 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. 1,8789390 2026-10-09: 1,878 OI2026-10-13: 1,872 OI2026-10-14: 1,872 OI2026-10-15: 1,871 OI2026-10-16: 1,867 OI2026-10-21: 1,862 OI2026-10-23: 1,843 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, 2026Viewing1,843-19
Oct 21, 20261,862-5
Oct 16, 20261,867-4
Oct 15, 20261,871-1
Oct 14, 20261,8720
Oct 13, 20261,872-6
Oct 09, 20261,878No prior observation