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Contract OI history

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Dec 18, 2026 EXPIRATION

MTG $25.00 Put

MTG261218P00025000

Latest saved OI1,212Oct 23, 2026
Last change-20vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MTG $25.00 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. 1,2326160 2026-10-02: 918 OI2026-10-05: 918 OI2026-10-06: 918 OI2026-10-07: 918 OI2026-10-08: 918 OI2026-10-09: 1,231 OI2026-10-13: 1,231 OI2026-10-14: 1,231 OI2026-10-15: 1,231 OI2026-10-16: 1,231 OI2026-10-21: 1,232 OI2026-10-23: 1,212 OI Oct 02, 2026Oct 23, 2026

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

MTG contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,212-20
Oct 21, 20261,232+1
Oct 16, 20261,2310
Oct 15, 20261,2310
Oct 14, 20261,2310
Oct 13, 20261,2310
Oct 09, 20261,231+313
Oct 08, 20269180
Oct 07, 20269180
Oct 06, 20269180
Oct 05, 20269180
Oct 02, 2026918No prior observation