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Contract OI history

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Jan 15, 2027 EXPIRATION

CAH $200.00 Put

CAH270115P00200000

Latest saved OI620Oct 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 $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. 6203100 2026-10-02: 593 OI2026-10-05: 592 OI2026-10-06: 620 OI2026-10-07: 620 OI2026-10-08: 620 OI2026-10-09: 620 OI2026-10-13: 620 OI2026-10-14: 620 OI2026-10-15: 620 OI2026-10-16: 620 OI2026-10-21: 620 OI2026-10-23: 620 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, 2026Viewing6200
Oct 21, 20266200
Oct 16, 20266200
Oct 15, 20266200
Oct 14, 20266200
Oct 13, 20266200
Oct 09, 20266200
Oct 08, 20266200
Oct 07, 20266200
Oct 06, 2026620+28
Oct 05, 2026592-1
Oct 02, 2026593No prior observation