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Contract OI history

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Nov 20, 2026 EXPIRATION

CLS $280.00 Put

CLS261120P00280000

Latest saved OI405Oct 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. 4052020 2026-10-02: 188 OI2026-10-05: 219 OI2026-10-06: 217 OI2026-10-07: 223 OI2026-10-08: 225 OI2026-10-09: 227 OI2026-10-13: 305 OI2026-10-14: 305 OI2026-10-15: 322 OI2026-10-16: 362 OI2026-10-21: 401 OI2026-10-23: 405 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, 2026Viewing405+4
Oct 21, 2026401+39
Oct 16, 2026362+40
Oct 15, 2026322+17
Oct 14, 20263050
Oct 13, 2026305+78
Oct 09, 2026227+2
Oct 08, 2026225+2
Oct 07, 2026223+6
Oct 06, 2026217-2
Oct 05, 2026219+31
Oct 02, 2026188No prior observation