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Contract OI history

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Feb 19, 2027 EXPIRATION

CLS $220.00 Put

CLS270219P00220000

Latest saved OI128Oct 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 $220.00 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. 128640 2026-10-02: 109 OI2026-10-05: 109 OI2026-10-06: 109 OI2026-10-07: 109 OI2026-10-08: 109 OI2026-10-09: 109 OI2026-10-13: 109 OI2026-10-14: 109 OI2026-10-15: 117 OI2026-10-16: 127 OI2026-10-21: 128 OI2026-10-23: 128 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, 2026Viewing1280
Oct 21, 2026128+1
Oct 16, 2026127+10
Oct 15, 2026117+8
Oct 14, 20261090
Oct 13, 20261090
Oct 09, 20261090
Oct 08, 20261090
Oct 07, 20261090
Oct 06, 20261090
Oct 05, 20261090
Oct 02, 2026109No prior observation