OITracker Cboe delayed data

Contract OI history

Back to MS

Mar 19, 2027 EXPIRATION

MS $180.00 Put

MS270319P00180000

Latest saved OI1,366Oct 23, 2026
Last change+4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MS $180.00 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. 1,3666830 2026-10-02: 1,213 OI2026-10-05: 1,250 OI2026-10-06: 1,270 OI2026-10-07: 1,270 OI2026-10-08: 1,270 OI2026-10-09: 1,281 OI2026-10-13: 1,303 OI2026-10-14: 1,303 OI2026-10-15: 1,323 OI2026-10-16: 1,354 OI2026-10-21: 1,362 OI2026-10-23: 1,366 OI Oct 02, 2026Oct 23, 2026

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

MS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,366+4
Oct 21, 20261,362+8
Oct 16, 20261,354+31
Oct 15, 20261,323+20
Oct 14, 20261,3030
Oct 13, 20261,303+22
Oct 09, 20261,281+11
Oct 08, 20261,2700
Oct 07, 20261,2700
Oct 06, 20261,270+20
Oct 05, 20261,250+37
Oct 02, 20261,213No prior observation