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Contract OI history

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Jan 21, 2028 EXPIRATION

SLB $37.50 Put

SLB280121P00037500

Latest saved OI1,603Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SLB $37.50 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. 1,6038010 2026-10-02: 1,603 OI2026-10-05: 1,603 OI2026-10-06: 1,603 OI2026-10-07: 1,603 OI2026-10-08: 1,603 OI2026-10-09: 1,603 OI2026-10-13: 1,603 OI2026-10-14: 1,603 OI2026-10-15: 1,603 OI2026-10-16: 1,603 OI2026-10-21: 1,603 OI2026-10-23: 1,603 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

SLB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,6030
Oct 21, 20261,6030
Oct 16, 20261,6030
Oct 15, 20261,6030
Oct 14, 20261,6030
Oct 13, 20261,6030
Oct 09, 20261,6030
Oct 08, 20261,6030
Oct 07, 20261,6030
Oct 06, 20261,6030
Oct 05, 20261,6030
Oct 02, 20261,603No prior observation