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Contract OI history

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Oct 30, 2026 EXPIRATION

CLS $320.00 Put

CLS261030P00320000

Latest saved OI166Oct 23, 2026
Last change+7vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CLS $320.00 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. 168840 2026-10-02: 110 OI2026-10-05: 106 OI2026-10-06: 107 OI2026-10-07: 126 OI2026-10-08: 145 OI2026-10-09: 154 OI2026-10-13: 157 OI2026-10-14: 157 OI2026-10-15: 164 OI2026-10-16: 168 OI2026-10-21: 159 OI2026-10-23: 166 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, 2026Viewing166+7
Oct 21, 2026159-9
Oct 16, 2026168+4
Oct 15, 2026164+7
Oct 14, 20261570
Oct 13, 2026157+3
Oct 09, 2026154+9
Oct 08, 2026145+19
Oct 07, 2026126+19
Oct 06, 2026107+1
Oct 05, 2026106-4
Oct 02, 2026110No prior observation