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Contract OI history

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Jan 15, 2027 EXPIRATION

CAH $195.00 Put

CAH270115P00195000

Latest saved OI1,197Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAH $195.00 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. 1,1975980 2026-10-02: 1,197 OI2026-10-05: 1,197 OI2026-10-06: 1,197 OI2026-10-07: 1,197 OI2026-10-08: 1,197 OI2026-10-09: 1,197 OI2026-10-13: 1,197 OI2026-10-14: 1,197 OI2026-10-15: 1,197 OI2026-10-16: 1,197 OI2026-10-21: 1,197 OI2026-10-23: 1,197 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

CAH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,1970
Oct 21, 20261,1970
Oct 16, 20261,1970
Oct 15, 20261,1970
Oct 14, 20261,1970
Oct 13, 20261,1970
Oct 09, 20261,1970
Oct 08, 20261,1970
Oct 07, 20261,1970
Oct 06, 20261,1970
Oct 05, 20261,1970
Oct 02, 20261,197No prior observation