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Contract OI history

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Nov 20, 2026 EXPIRATION

MA $445.00 Put

MA261120P00445000

Latest saved OI148Oct 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 $445.00 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. 156780 2026-10-02: 156 OI2026-10-05: 153 OI2026-10-06: 152 OI2026-10-07: 152 OI2026-10-08: 152 OI2026-10-09: 152 OI2026-10-13: 151 OI2026-10-14: 151 OI2026-10-15: 148 OI2026-10-16: 148 OI2026-10-21: 148 OI2026-10-23: 148 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, 2026Viewing1480
Oct 21, 20261480
Oct 16, 20261480
Oct 15, 2026148-3
Oct 14, 20261510
Oct 13, 2026151-1
Oct 09, 20261520
Oct 08, 20261520
Oct 07, 20261520
Oct 06, 2026152-1
Oct 05, 2026153-3
Oct 02, 2026156No prior observation