OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

MOS $25.00 Put

MOS280121P00025000

Latest saved OI1,463Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MOS $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. 1,4647320 2026-10-02: 1,457 OI2026-10-05: 1,457 OI2026-10-06: 1,456 OI2026-10-07: 1,456 OI2026-10-08: 1,456 OI2026-10-09: 1,456 OI2026-10-13: 1,456 OI2026-10-14: 1,456 OI2026-10-15: 1,460 OI2026-10-16: 1,460 OI2026-10-21: 1,464 OI2026-10-23: 1,463 OI Oct 02, 2026Oct 23, 2026

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

MOS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20261,463-1
Oct 21, 2026Viewing1,464+4
Oct 16, 20261,4600
Oct 15, 20261,460+4
Oct 14, 20261,4560
Oct 13, 20261,4560
Oct 09, 20261,4560
Oct 08, 20261,4560
Oct 07, 20261,4560
Oct 06, 20261,456-1
Oct 05, 20261,4570
Oct 02, 20261,457No prior observation