OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

MSFT $800.00 Call

MSFT280121C00800000

Latest saved OI5,667Oct 23, 2026
Last change+49vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $800.00 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. 5,6672,8330 2026-10-09: 5,473 OI2026-10-13: 5,603 OI2026-10-14: 5,603 OI2026-10-15: 5,601 OI2026-10-16: 5,633 OI2026-10-21: 5,618 OI2026-10-23: 5,667 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, 2026Viewing5,667+49
Oct 21, 20265,618-15
Oct 16, 20265,633+32
Oct 15, 20265,601-2
Oct 14, 20265,6030
Oct 13, 20265,603+130
Oct 09, 20265,473No prior observation