OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

MED $12.50 Put

MED261120P00012500

Latest saved OI1,370Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MED $12.50 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,3726860 2026-10-02: 1,361 OI2026-10-05: 1,361 OI2026-10-06: 1,361 OI2026-10-07: 1,361 OI2026-10-08: 1,361 OI2026-10-09: 1,361 OI2026-10-13: 1,356 OI2026-10-14: 1,356 OI2026-10-16: 1,372 OI2026-10-20: 1,370 OI2026-10-23: 1,370 OI Oct 02, 2026Oct 23, 2026

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

MED contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,3700
Oct 20, 20261,370-2
Oct 16, 20261,372+16
Oct 14, 20261,3560
Oct 13, 20261,356-5
Oct 09, 20261,3610
Oct 08, 20261,3610
Oct 07, 20261,3610
Oct 06, 20261,3610
Oct 05, 20261,3610
Oct 02, 20261,361No prior observation