OITracker Cboe delayed data

Contract OI history

Back to M

Jun 17, 2027 EXPIRATION

M $25.00 Put

M270617P00025000

Latest saved OI1,524Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
M $25.00 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. 1,5247620 2026-10-02: 26 OI2026-10-05: 26 OI2026-10-06: 26 OI2026-10-07: 26 OI2026-10-08: 26 OI2026-10-09: 26 OI2026-10-13: 26 OI2026-10-14: 26 OI2026-10-15: 26 OI2026-10-16: 26 OI2026-10-21: 1,521 OI2026-10-23: 1,524 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, 2026Viewing1,524+3
Oct 21, 20261,521+1,495
Oct 16, 2026260
Oct 15, 2026260
Oct 14, 2026260
Oct 13, 2026260
Oct 09, 2026260
Oct 08, 2026260
Oct 07, 2026260
Oct 06, 2026260
Oct 05, 2026260
Oct 02, 202626No prior observation