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Contract OI history

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Jan 21, 2028 EXPIRATION

OXY $42.50 Put

OXY280121P00042500

Latest saved OI2,704Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
OXY $42.50 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. 2,7081,3540 2026-10-02: 2,610 OI2026-10-05: 2,610 OI2026-10-06: 2,610 OI2026-10-07: 2,610 OI2026-10-08: 2,610 OI2026-10-09: 2,708 OI2026-10-13: 2,705 OI2026-10-14: 2,705 OI2026-10-15: 2,705 OI2026-10-16: 2,705 OI2026-10-21: 2,704 OI2026-10-23: 2,704 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

OXY contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,7040
Oct 21, 20262,704-1
Oct 16, 20262,7050
Oct 15, 20262,7050
Oct 14, 20262,7050
Oct 13, 20262,705-3
Oct 09, 20262,708+98
Oct 08, 20262,6100
Oct 07, 20262,6100
Oct 06, 20262,6100
Oct 05, 20262,6100
Oct 02, 20262,610No prior observation