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Contract OI history

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Mar 19, 2027 EXPIRATION

MCK $920.00 Put

MCK270319P00920000

Latest saved OI588Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MCK $920.00 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. 5882940 2026-10-02: 583 OI2026-10-05: 583 OI2026-10-06: 583 OI2026-10-07: 583 OI2026-10-08: 583 OI2026-10-09: 583 OI2026-10-13: 583 OI2026-10-14: 583 OI2026-10-15: 584 OI2026-10-16: 586 OI2026-10-21: 587 OI2026-10-23: 588 OI Oct 02, 2026Oct 23, 2026

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

MCK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing588+1
Oct 21, 2026587+1
Oct 16, 2026586+2
Oct 15, 2026584+1
Oct 14, 20265830
Oct 13, 20265830
Oct 09, 20265830
Oct 08, 20265830
Oct 07, 20265830
Oct 06, 20265830
Oct 05, 20265830
Oct 02, 2026583No prior observation