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Contract OI history

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Mar 19, 2027 EXPIRATION

MA $530.00 Put

MA270319P00530000

Latest saved OI287Oct 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 $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. 2871430 2026-10-02: 278 OI2026-10-05: 278 OI2026-10-06: 284 OI2026-10-07: 284 OI2026-10-08: 284 OI2026-10-09: 284 OI2026-10-13: 286 OI2026-10-14: 286 OI2026-10-15: 286 OI2026-10-16: 286 OI2026-10-21: 284 OI2026-10-23: 287 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, 2026Viewing287+3
Oct 21, 2026284-2
Oct 16, 20262860
Oct 15, 20262860
Oct 14, 20262860
Oct 13, 2026286+2
Oct 09, 20262840
Oct 08, 20262840
Oct 07, 20262840
Oct 06, 2026284+6
Oct 05, 20262780
Oct 02, 2026278No prior observation