OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

OXY $40.00 Put

OXY270115P00040000

Latest saved OI6,629Oct 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. 6,7503,3750 2026-10-02: 6,730 OI2026-10-05: 6,740 OI2026-10-06: 6,750 OI2026-10-07: 6,750 OI2026-10-08: 6,750 OI2026-10-09: 6,730 OI2026-10-13: 6,730 OI2026-10-14: 6,730 OI2026-10-15: 6,729 OI2026-10-16: 6,729 OI2026-10-21: 6,629 OI2026-10-23: 6,629 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, 2026Viewing6,6290
Oct 21, 20266,629-100
Oct 16, 20266,7290
Oct 15, 20266,729-1
Oct 14, 20266,7300
Oct 13, 20266,7300
Oct 09, 20266,730-20
Oct 08, 20266,7500
Oct 07, 20266,7500
Oct 06, 20266,750+10
Oct 05, 20266,740+10
Oct 02, 20266,730No prior observation