OITracker Cboe delayed data

Contract OI history

Back to MOS

Mar 19, 2027 EXPIRATION

MOS $25.00 Put

MOS270319P00025000

Latest saved OI1,398Oct 23, 2026
Last change+30vs 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. 1,5257620 2026-10-02: 1,503 OI2026-10-05: 1,503 OI2026-10-06: 1,503 OI2026-10-07: 1,503 OI2026-10-08: 1,510 OI2026-10-09: 1,522 OI2026-10-13: 1,525 OI2026-10-14: 1,358 OI2026-10-15: 1,358 OI2026-10-16: 1,358 OI2026-10-21: 1,368 OI2026-10-23: 1,398 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, 20261,398+30
Oct 21, 2026Viewing1,368+10
Oct 16, 20261,3580
Oct 15, 20261,3580
Oct 14, 20261,358-167
Oct 13, 20261,525+3
Oct 09, 20261,522+12
Oct 08, 20261,510+7
Oct 07, 20261,5030
Oct 06, 20261,5030
Oct 05, 20261,5030
Oct 02, 20261,503No prior observation