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Contract OI history

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Feb 19, 2027 EXPIRATION

CLS $280.00 Put

CLS270219P00280000

Latest saved OI268Oct 23, 2026
Last change+4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CLS $280.00 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. 2951470 2026-10-02: 294 OI2026-10-05: 294 OI2026-10-06: 294 OI2026-10-07: 295 OI2026-10-08: 295 OI2026-10-09: 295 OI2026-10-13: 295 OI2026-10-14: 295 OI2026-10-15: 266 OI2026-10-16: 266 OI2026-10-21: 264 OI2026-10-23: 268 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, 2026Viewing268+4
Oct 21, 2026264-2
Oct 16, 20262660
Oct 15, 2026266-29
Oct 14, 20262950
Oct 13, 20262950
Oct 09, 20262950
Oct 08, 20262950
Oct 07, 2026295+1
Oct 06, 20262940
Oct 05, 20262940
Oct 02, 2026294No prior observation