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Contract OI history

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Dec 18, 2026 EXPIRATION

MA $300.00 Put

MA261218P00300000

Latest saved OI136Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MA $300.00 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. 136680 2026-10-02: 136 OI2026-10-05: 136 OI2026-10-06: 136 OI2026-10-07: 136 OI2026-10-08: 136 OI2026-10-09: 136 OI2026-10-13: 136 OI2026-10-14: 136 OI2026-10-15: 136 OI2026-10-16: 136 OI2026-10-21: 136 OI2026-10-23: 136 OI Oct 02, 2026Oct 23, 2026

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

MA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1360
Oct 21, 20261360
Oct 16, 20261360
Oct 15, 20261360
Oct 14, 20261360
Oct 13, 20261360
Oct 09, 20261360
Oct 08, 20261360
Oct 07, 20261360
Oct 06, 20261360
Oct 05, 20261360
Oct 02, 2026136No prior observation