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Contract OI history

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Dec 18, 2026 EXPIRATION

MA $440.00 Put

MA261218P00440000

Latest saved OI216Oct 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 $440.00 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. 2471230 2026-10-02: 247 OI2026-10-05: 247 OI2026-10-06: 247 OI2026-10-07: 247 OI2026-10-08: 247 OI2026-10-09: 245 OI2026-10-13: 240 OI2026-10-14: 240 OI2026-10-15: 240 OI2026-10-16: 234 OI2026-10-21: 217 OI2026-10-23: 216 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, 2026Viewing216-1
Oct 21, 2026217-17
Oct 16, 2026234-6
Oct 15, 20262400
Oct 14, 20262400
Oct 13, 2026240-5
Oct 09, 2026245-2
Oct 08, 20262470
Oct 07, 20262470
Oct 06, 20262470
Oct 05, 20262470
Oct 02, 2026247No prior observation