OITracker Cboe delayed data

Contract OI history

Back to MDT

Dec 18, 2026 EXPIRATION

MDT $87.50 Put

MDT261218P00087500

Latest saved OI502Oct 23, 2026
Last change-21vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MDT $87.50 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. 5832910 2026-10-02: 456 OI2026-10-05: 460 OI2026-10-06: 481 OI2026-10-07: 483 OI2026-10-08: 483 OI2026-10-09: 519 OI2026-10-13: 560 OI2026-10-14: 560 OI2026-10-15: 583 OI2026-10-16: 570 OI2026-10-21: 523 OI2026-10-23: 502 OI Oct 02, 2026Oct 23, 2026

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

MDT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing502-21
Oct 21, 2026523-47
Oct 16, 2026570-13
Oct 15, 2026583+23
Oct 14, 20265600
Oct 13, 2026560+41
Oct 09, 2026519+36
Oct 08, 20264830
Oct 07, 2026483+2
Oct 06, 2026481+21
Oct 05, 2026460+4
Oct 02, 2026456No prior observation