OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

M $16.00 Put

M261120P00016000

Latest saved OI74Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
M $16.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 83410 2026-10-02: 77 OI2026-10-05: 77 OI2026-10-06: 82 OI2026-10-07: 82 OI2026-10-08: 82 OI2026-10-09: 83 OI2026-10-13: 82 OI2026-10-14: 82 OI2026-10-15: 79 OI2026-10-16: 74 OI2026-10-21: 74 OI2026-10-23: 74 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

M contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing740
Oct 21, 2026740
Oct 16, 202674-5
Oct 15, 202679-3
Oct 14, 2026820
Oct 13, 202682-1
Oct 09, 202683+1
Oct 08, 2026820
Oct 07, 2026820
Oct 06, 202682+5
Oct 05, 2026770
Oct 02, 202677No prior observation