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Contract OI history

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Mar 19, 2027 EXPIRATION

SLB $40.00 Put

SLB270319P00040000

Latest saved OI1,865Oct 23, 2026
Last change+4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SLB $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. 1,8659320 2026-10-02: 1,843 OI2026-10-05: 1,853 OI2026-10-06: 1,853 OI2026-10-07: 1,853 OI2026-10-08: 1,858 OI2026-10-09: 1,858 OI2026-10-13: 1,858 OI2026-10-14: 1,858 OI2026-10-15: 1,863 OI2026-10-16: 1,860 OI2026-10-21: 1,861 OI2026-10-23: 1,865 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, 2026Viewing1,865+4
Oct 21, 20261,861+1
Oct 16, 20261,860-3
Oct 15, 20261,863+5
Oct 14, 20261,8580
Oct 13, 20261,8580
Oct 09, 20261,8580
Oct 08, 20261,858+5
Oct 07, 20261,8530
Oct 06, 20261,8530
Oct 05, 20261,853+10
Oct 02, 20261,843No prior observation