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Contract OI history

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Jan 21, 2028 EXPIRATION

OXY $55.00 Put

OXY280121P00055000

Latest saved OI1,975Oct 23, 2026
Last change+21vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
OXY $55.00 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. 1,9759870 2026-10-02: 1,760 OI2026-10-05: 1,760 OI2026-10-06: 1,762 OI2026-10-07: 1,762 OI2026-10-08: 1,762 OI2026-10-09: 1,762 OI2026-10-13: 1,952 OI2026-10-14: 1,952 OI2026-10-15: 1,952 OI2026-10-16: 1,951 OI2026-10-21: 1,954 OI2026-10-23: 1,975 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, 2026Viewing1,975+21
Oct 21, 20261,954+3
Oct 16, 20261,951-1
Oct 15, 20261,9520
Oct 14, 20261,9520
Oct 13, 20261,952+190
Oct 09, 20261,7620
Oct 08, 20261,7620
Oct 07, 20261,7620
Oct 06, 20261,762+2
Oct 05, 20261,7600
Oct 02, 20261,760No prior observation