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Contract OI history

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Dec 18, 2026 EXPIRATION

CLS $300.00 Put

CLS261218P00300000

Latest saved OI358Oct 23, 2026
Last change+39vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CLS $300.00 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. 3581790 2026-10-02: 153 OI2026-10-05: 165 OI2026-10-06: 166 OI2026-10-07: 168 OI2026-10-08: 175 OI2026-10-09: 175 OI2026-10-13: 204 OI2026-10-14: 204 OI2026-10-15: 208 OI2026-10-16: 212 OI2026-10-21: 319 OI2026-10-23: 358 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, 2026Viewing358+39
Oct 21, 2026319+107
Oct 16, 2026212+4
Oct 15, 2026208+4
Oct 14, 20262040
Oct 13, 2026204+29
Oct 09, 20261750
Oct 08, 2026175+7
Oct 07, 2026168+2
Oct 06, 2026166+1
Oct 05, 2026165+12
Oct 02, 2026153No prior observation