OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

MSFT $300.00 Call

MSFT270115C00300000

Latest saved OI1,004Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $300.00 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. 1,0345170 2026-10-09: 1,034 OI2026-10-13: 1,020 OI2026-10-14: 1,020 OI2026-10-15: 1,011 OI2026-10-16: 1,005 OI2026-10-21: 1,004 OI2026-10-23: 1,004 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, 2026Viewing1,0040
Oct 21, 20261,004-1
Oct 16, 20261,005-6
Oct 15, 20261,011-9
Oct 14, 20261,0200
Oct 13, 20261,020-14
Oct 09, 20261,034No prior observation