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Contract OI history

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Jun 17, 2027 EXPIRATION

MA $440.00 Put

MA270617P00440000

Latest saved OI140Oct 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 $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. 140700 2026-10-02: 128 OI2026-10-05: 129 OI2026-10-06: 133 OI2026-10-07: 133 OI2026-10-08: 133 OI2026-10-09: 140 OI2026-10-13: 140 OI2026-10-14: 140 OI2026-10-15: 140 OI2026-10-16: 140 OI2026-10-21: 140 OI2026-10-23: 140 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, 2026Viewing1400
Oct 21, 20261400
Oct 16, 20261400
Oct 15, 20261400
Oct 14, 20261400
Oct 13, 20261400
Oct 09, 2026140+7
Oct 08, 20261330
Oct 07, 20261330
Oct 06, 2026133+4
Oct 05, 2026129+1
Oct 02, 2026128No prior observation