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Contract OI history

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Jan 21, 2028 EXPIRATION

CLS $270.00 Put

CLS280121P00270000

Latest saved OI163Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CLS $270.00 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. 163810 2026-10-02: 70 OI2026-10-05: 70 OI2026-10-06: 70 OI2026-10-07: 70 OI2026-10-08: 159 OI2026-10-09: 159 OI2026-10-13: 159 OI2026-10-14: 159 OI2026-10-15: 159 OI2026-10-16: 159 OI2026-10-21: 163 OI2026-10-23: 163 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, 2026Viewing1630
Oct 21, 2026163+4
Oct 16, 20261590
Oct 15, 20261590
Oct 14, 20261590
Oct 13, 20261590
Oct 09, 20261590
Oct 08, 2026159+89
Oct 07, 2026700
Oct 06, 2026700
Oct 05, 2026700
Oct 02, 202670No prior observation