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Contract OI history

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Nov 20, 2026 EXPIRATION

MA $545.00 Put

MA261120P00545000

Latest saved OI210Oct 23, 2026
Last change-3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MA $545.00 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. 2141070 2026-10-02: 180 OI2026-10-05: 183 OI2026-10-06: 184 OI2026-10-07: 189 OI2026-10-08: 189 OI2026-10-09: 193 OI2026-10-13: 208 OI2026-10-14: 208 OI2026-10-15: 213 OI2026-10-16: 214 OI2026-10-21: 213 OI2026-10-23: 210 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, 2026Viewing210-3
Oct 21, 2026213-1
Oct 16, 2026214+1
Oct 15, 2026213+5
Oct 14, 20262080
Oct 13, 2026208+15
Oct 09, 2026193+4
Oct 08, 20261890
Oct 07, 2026189+5
Oct 06, 2026184+1
Oct 05, 2026183+3
Oct 02, 2026180No prior observation