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Contract OI history

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Nov 20, 2026 EXPIRATION

CLS $290.00 Put

CLS261120P00290000

Latest saved OI339Oct 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 $290.00 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. 3391690 2026-10-02: 174 OI2026-10-05: 191 OI2026-10-06: 194 OI2026-10-07: 205 OI2026-10-08: 225 OI2026-10-09: 210 OI2026-10-13: 294 OI2026-10-14: 294 OI2026-10-15: 295 OI2026-10-16: 313 OI2026-10-21: 332 OI2026-10-23: 339 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, 2026Viewing339+7
Oct 21, 2026332+19
Oct 16, 2026313+18
Oct 15, 2026295+1
Oct 14, 20262940
Oct 13, 2026294+84
Oct 09, 2026210-15
Oct 08, 2026225+20
Oct 07, 2026205+11
Oct 06, 2026194+3
Oct 05, 2026191+17
Oct 02, 2026174No prior observation