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Contract OI history

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Oct 30, 2026 EXPIRATION

OXY $56.00 Put

OXY261030P00056000

Latest saved OI388Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
OXY $56.00 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. 3921960 2026-10-02: 288 OI2026-10-05: 293 OI2026-10-06: 297 OI2026-10-07: 300 OI2026-10-08: 300 OI2026-10-09: 307 OI2026-10-13: 351 OI2026-10-14: 351 OI2026-10-15: 392 OI2026-10-16: 392 OI2026-10-21: 389 OI2026-10-23: 388 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, 2026Viewing388-1
Oct 21, 2026389-3
Oct 16, 20263920
Oct 15, 2026392+41
Oct 14, 20263510
Oct 13, 2026351+44
Oct 09, 2026307+7
Oct 08, 20263000
Oct 07, 2026300+3
Oct 06, 2026297+4
Oct 05, 2026293+5
Oct 02, 2026288No prior observation