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Contract OI history

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Nov 20, 2026 EXPIRATION

SLB $40.00 Put

SLB261120P00040000

Latest saved OI837Oct 23, 2026
Last change+37vs 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. 8374180 2026-10-02: 619 OI2026-10-05: 619 OI2026-10-06: 596 OI2026-10-07: 596 OI2026-10-08: 601 OI2026-10-09: 801 OI2026-10-13: 805 OI2026-10-14: 805 OI2026-10-15: 805 OI2026-10-16: 810 OI2026-10-21: 800 OI2026-10-23: 837 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, 2026Viewing837+37
Oct 21, 2026800-10
Oct 16, 2026810+5
Oct 15, 20268050
Oct 14, 20268050
Oct 13, 2026805+4
Oct 09, 2026801+200
Oct 08, 2026601+5
Oct 07, 20265960
Oct 06, 2026596-23
Oct 05, 20266190
Oct 02, 2026619No prior observation