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Contract OI history

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Jan 21, 2028 EXPIRATION

OXY $40.00 Put

OXY280121P00040000

Latest saved OI4,309Oct 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 $40.00 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. 4,3112,1550 2026-10-02: 4,310 OI2026-10-05: 4,310 OI2026-10-06: 4,310 OI2026-10-07: 4,310 OI2026-10-08: 4,310 OI2026-10-09: 4,310 OI2026-10-13: 4,311 OI2026-10-14: 4,311 OI2026-10-15: 4,309 OI2026-10-16: 4,309 OI2026-10-21: 4,309 OI2026-10-23: 4,309 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, 2026Viewing4,3090
Oct 21, 20264,3090
Oct 16, 20264,3090
Oct 15, 20264,309-2
Oct 14, 20264,3110
Oct 13, 20264,311+1
Oct 09, 20264,3100
Oct 08, 20264,3100
Oct 07, 20264,3100
Oct 06, 20264,3100
Oct 05, 20264,3100
Oct 02, 20264,310No prior observation