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Contract OI history

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Dec 18, 2026 EXPIRATION

CLS $200.00 Put

CLS261218P00200000

Latest saved OI142Oct 23, 2026
Last change-2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CLS $200.00 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. 145720 2026-10-02: 145 OI2026-10-05: 141 OI2026-10-06: 140 OI2026-10-07: 140 OI2026-10-08: 139 OI2026-10-09: 139 OI2026-10-13: 139 OI2026-10-14: 139 OI2026-10-15: 139 OI2026-10-16: 139 OI2026-10-21: 144 OI2026-10-23: 142 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, 2026Viewing142-2
Oct 21, 2026144+5
Oct 16, 20261390
Oct 15, 20261390
Oct 14, 20261390
Oct 13, 20261390
Oct 09, 20261390
Oct 08, 2026139-1
Oct 07, 20261400
Oct 06, 2026140-1
Oct 05, 2026141-4
Oct 02, 2026145No prior observation