OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

MSFT $380.00 Call

MSFT280121C00380000

Latest saved OI1,427Oct 23, 2026
Last change-2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $380.00 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. 1,4387190 2026-10-09: 1,423 OI2026-10-13: 1,416 OI2026-10-14: 1,416 OI2026-10-15: 1,418 OI2026-10-16: 1,438 OI2026-10-21: 1,429 OI2026-10-23: 1,427 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, 2026Viewing1,427-2
Oct 21, 20261,429-9
Oct 16, 20261,438+20
Oct 15, 20261,418+2
Oct 14, 20261,4160
Oct 13, 20261,416-7
Oct 09, 20261,423No prior observation