OITracker Cboe delayed data

Contract OI history

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Mar 19, 2027 EXPIRATION

MOS $15.00 Put

MOS270319P00015000

Latest saved OI2,020Oct 23, 2026
Last change-2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MOS $15.00 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. 2,0221,0110 2026-10-02: 1,881 OI2026-10-05: 1,881 OI2026-10-06: 1,881 OI2026-10-07: 1,881 OI2026-10-08: 1,882 OI2026-10-09: 1,900 OI2026-10-13: 1,910 OI2026-10-14: 1,934 OI2026-10-15: 1,926 OI2026-10-16: 1,928 OI2026-10-21: 2,022 OI2026-10-23: 2,020 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, 20262,020-2
Oct 21, 2026Viewing2,022+94
Oct 16, 20261,928+2
Oct 15, 20261,926-8
Oct 14, 20261,934+24
Oct 13, 20261,910+10
Oct 09, 20261,900+18
Oct 08, 20261,882+1
Oct 07, 20261,8810
Oct 06, 20261,8810
Oct 05, 20261,8810
Oct 02, 20261,881No prior observation