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Contract OI history

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Mar 19, 2027 EXPIRATION

MA $600.00 Put

MA270319P00600000

Latest saved OI118Oct 23, 2026
Last change+4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MA $600.00 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. 118590 2026-10-02: 100 OI2026-10-05: 100 OI2026-10-06: 110 OI2026-10-07: 110 OI2026-10-08: 110 OI2026-10-09: 110 OI2026-10-13: 112 OI2026-10-14: 112 OI2026-10-15: 112 OI2026-10-16: 113 OI2026-10-21: 114 OI2026-10-23: 118 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, 2026Viewing118+4
Oct 21, 2026114+1
Oct 16, 2026113+1
Oct 15, 20261120
Oct 14, 20261120
Oct 13, 2026112+2
Oct 09, 20261100
Oct 08, 20261100
Oct 07, 20261100
Oct 06, 2026110+10
Oct 05, 20261000
Oct 02, 2026100No prior observation