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Contract OI history

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Oct 23, 2026 EXPIRATION

CLS $320.00 Put

CLS261023P00320000

Latest saved OI3Oct 23, 2026
Last change-123vs 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. 199990 2026-10-02: 98 OI2026-10-05: 99 OI2026-10-06: 94 OI2026-10-07: 109 OI2026-10-08: 122 OI2026-10-09: 126 OI2026-10-13: 133 OI2026-10-14: 133 OI2026-10-15: 134 OI2026-10-16: 199 OI2026-10-21: 126 OI2026-10-23: 3 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, 2026Viewing3-123
Oct 21, 2026126-73
Oct 16, 2026199+65
Oct 15, 2026134+1
Oct 14, 20261330
Oct 13, 2026133+7
Oct 09, 2026126+4
Oct 08, 2026122+13
Oct 07, 2026109+15
Oct 06, 202694-5
Oct 05, 202699+1
Oct 02, 202698No prior observation