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Contract OI history

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Dec 18, 2026 EXPIRATION

OXY $42.50 Put

OXY261218P00042500

Latest saved OI2,866Oct 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. 2,8661,4330 2026-10-02: 2,865 OI2026-10-05: 2,865 OI2026-10-06: 2,865 OI2026-10-07: 2,865 OI2026-10-08: 2,865 OI2026-10-09: 2,865 OI2026-10-13: 2,865 OI2026-10-14: 2,865 OI2026-10-15: 2,865 OI2026-10-16: 2,860 OI2026-10-21: 2,866 OI2026-10-23: 2,866 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, 2026Viewing2,8660
Oct 21, 20262,866+6
Oct 16, 20262,860-5
Oct 15, 20262,8650
Oct 14, 20262,8650
Oct 13, 20262,8650
Oct 09, 20262,8650
Oct 08, 20262,8650
Oct 07, 20262,8650
Oct 06, 20262,8650
Oct 05, 20262,8650
Oct 02, 20262,865No prior observation