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Contract OI history

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Jan 21, 2028 EXPIRATION

MO $42.50 Put

MO280121P00042500

Latest saved OI962Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MO $42.50 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. 9674830 2026-10-02: 967 OI2026-10-05: 967 OI2026-10-06: 967 OI2026-10-07: 967 OI2026-10-08: 966 OI2026-10-09: 962 OI2026-10-13: 962 OI2026-10-14: 962 OI2026-10-15: 962 OI2026-10-16: 962 OI2026-10-21: 962 OI2026-10-23: 962 OI Oct 02, 2026Oct 23, 2026

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

MO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing9620
Oct 21, 20269620
Oct 16, 20269620
Oct 15, 20269620
Oct 14, 20269620
Oct 13, 20269620
Oct 09, 2026962-4
Oct 08, 2026966-1
Oct 07, 20269670
Oct 06, 20269670
Oct 05, 20269670
Oct 02, 2026967No prior observation