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Contract OI history

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Jan 21, 2028 EXPIRATION

CLS $200.00 Put

CLS280121P00200000

Latest saved OI214Oct 23, 2026
Last change+6vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CLS $200.00 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. 2141070 2026-10-02: 206 OI2026-10-05: 206 OI2026-10-06: 206 OI2026-10-07: 206 OI2026-10-08: 206 OI2026-10-09: 206 OI2026-10-13: 207 OI2026-10-14: 207 OI2026-10-15: 208 OI2026-10-16: 208 OI2026-10-21: 208 OI2026-10-23: 214 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, 2026Viewing214+6
Oct 21, 20262080
Oct 16, 20262080
Oct 15, 2026208+1
Oct 14, 20262070
Oct 13, 2026207+1
Oct 09, 20262060
Oct 08, 20262060
Oct 07, 20262060
Oct 06, 20262060
Oct 05, 20262060
Oct 02, 2026206No prior observation