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Contract OI history

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Nov 20, 2026 EXPIRATION

MA $530.00 Put

MA261120P00530000

Latest saved OI226Oct 23, 2026
Last change-2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MA $530.00 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. 2611300 2026-10-02: 222 OI2026-10-05: 230 OI2026-10-06: 233 OI2026-10-07: 236 OI2026-10-08: 236 OI2026-10-09: 261 OI2026-10-13: 253 OI2026-10-14: 253 OI2026-10-15: 226 OI2026-10-16: 223 OI2026-10-21: 228 OI2026-10-23: 226 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, 2026Viewing226-2
Oct 21, 2026228+5
Oct 16, 2026223-3
Oct 15, 2026226-27
Oct 14, 20262530
Oct 13, 2026253-8
Oct 09, 2026261+25
Oct 08, 20262360
Oct 07, 2026236+3
Oct 06, 2026233+3
Oct 05, 2026230+8
Oct 02, 2026222No prior observation