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Contract OI history

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Nov 20, 2026 EXPIRATION

MA $495.00 Put

MA261120P00495000

Latest saved OI110Oct 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
MA $495.00 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. 111550 2026-10-02: 85 OI2026-10-05: 88 OI2026-10-06: 97 OI2026-10-07: 98 OI2026-10-08: 98 OI2026-10-09: 94 OI2026-10-13: 111 OI2026-10-14: 111 OI2026-10-15: 111 OI2026-10-16: 111 OI2026-10-21: 111 OI2026-10-23: 110 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, 2026Viewing110-1
Oct 21, 20261110
Oct 16, 20261110
Oct 15, 20261110
Oct 14, 20261110
Oct 13, 2026111+17
Oct 09, 202694-4
Oct 08, 2026980
Oct 07, 202698+1
Oct 06, 202697+9
Oct 05, 202688+3
Oct 02, 202685No prior observation