OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

MDA $22.50 Put

MDA270115P00022500

Latest saved OI24Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MDA $22.50 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. 25120 2026-10-02: 11 OI2026-10-05: 11 OI2026-10-06: 12 OI2026-10-07: 12 OI2026-10-08: 12 OI2026-10-13: 24 OI2026-10-14: 25 OI2026-10-15: 25 OI2026-10-16: 24 OI2026-10-20: 24 OI2026-10-23: 24 OI Oct 02, 2026Oct 23, 2026

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

MDA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026240
Oct 20, 2026Viewing240
Oct 16, 202624-1
Oct 15, 2026250
Oct 14, 202625+1
Oct 13, 202624+12
Oct 08, 2026120
Oct 07, 2026120
Oct 06, 202612+1
Oct 05, 2026110
Oct 02, 202611No prior observation