OITracker Cboe delayed data

Contract OI history

Back to MS

Jan 15, 2027 EXPIRATION

MS $55.00 Put

MS270115P00055000

Latest saved OI1,079Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MS $55.00 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. 1,0795390 2026-10-02: 994 OI2026-10-05: 994 OI2026-10-06: 994 OI2026-10-07: 994 OI2026-10-08: 994 OI2026-10-09: 995 OI2026-10-13: 1,079 OI2026-10-14: 1,079 OI2026-10-15: 1,079 OI2026-10-16: 1,079 OI2026-10-21: 1,079 OI2026-10-23: 1,079 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, 2026Viewing1,0790
Oct 21, 20261,0790
Oct 16, 20261,0790
Oct 15, 20261,0790
Oct 14, 20261,0790
Oct 13, 20261,079+84
Oct 09, 2026995+1
Oct 08, 20269940
Oct 07, 20269940
Oct 06, 20269940
Oct 05, 20269940
Oct 02, 2026994No prior observation