OITracker Cboe delayed data

Contract OI history

Back to MDT

Dec 18, 2026 EXPIRATION

MDT $85.00 Put

MDT261218P00085000

Latest saved OI777Oct 23, 2026
Last change+6vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MDT $85.00 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. 7773880 2026-10-02: 699 OI2026-10-05: 699 OI2026-10-06: 703 OI2026-10-07: 703 OI2026-10-08: 703 OI2026-10-09: 705 OI2026-10-13: 703 OI2026-10-14: 703 OI2026-10-15: 736 OI2026-10-16: 756 OI2026-10-21: 771 OI2026-10-23: 777 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, 2026Viewing777+6
Oct 21, 2026771+15
Oct 16, 2026756+20
Oct 15, 2026736+33
Oct 14, 20267030
Oct 13, 2026703-2
Oct 09, 2026705+2
Oct 08, 20267030
Oct 07, 20267030
Oct 06, 2026703+4
Oct 05, 20266990
Oct 02, 2026699No prior observation