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Contract OI history

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Oct 23, 2026 EXPIRATION

CLS $340.00 Put

CLS261023P00340000

Latest saved OI372Oct 23, 2026
Last change-102vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CLS $340.00 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. 4932460 2026-10-02: 177 OI2026-10-05: 176 OI2026-10-06: 169 OI2026-10-07: 196 OI2026-10-08: 204 OI2026-10-09: 201 OI2026-10-13: 493 OI2026-10-14: 493 OI2026-10-15: 484 OI2026-10-16: 483 OI2026-10-21: 474 OI2026-10-23: 372 OI Oct 02, 2026Oct 23, 2026

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

CLS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing372-102
Oct 21, 2026474-9
Oct 16, 2026483-1
Oct 15, 2026484-9
Oct 14, 20264930
Oct 13, 2026493+292
Oct 09, 2026201-3
Oct 08, 2026204+8
Oct 07, 2026196+27
Oct 06, 2026169-7
Oct 05, 2026176-1
Oct 02, 2026177No prior observation