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Contract OI history

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Jan 21, 2028 EXPIRATION

CLS $290.00 Put

CLS280121P00290000

Latest saved OI148Oct 23, 2026
Last change+27vs 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. 148740 2026-10-02: 117 OI2026-10-05: 117 OI2026-10-06: 118 OI2026-10-07: 118 OI2026-10-08: 118 OI2026-10-09: 118 OI2026-10-13: 118 OI2026-10-14: 118 OI2026-10-15: 118 OI2026-10-16: 121 OI2026-10-21: 121 OI2026-10-23: 148 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, 2026Viewing148+27
Oct 21, 20261210
Oct 16, 2026121+3
Oct 15, 20261180
Oct 14, 20261180
Oct 13, 20261180
Oct 09, 20261180
Oct 08, 20261180
Oct 07, 20261180
Oct 06, 2026118+1
Oct 05, 20261170
Oct 02, 2026117No prior observation