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Contract OI history

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Jan 15, 2027 EXPIRATION

CBT $65.00 Put

CBT270115P00065000

Latest saved OI78Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CBT $65.00 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. 78390 2026-10-02: 77 OI2026-10-05: 77 OI2026-10-06: 77 OI2026-10-07: 77 OI2026-10-08: 77 OI2026-10-09: 77 OI2026-10-13: 77 OI2026-10-14: 77 OI2026-10-15: 78 OI2026-10-16: 78 OI2026-10-21: 78 OI2026-10-23: 78 OI Oct 02, 2026Oct 23, 2026

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

CBT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing780
Oct 21, 2026780
Oct 16, 2026780
Oct 15, 202678+1
Oct 14, 2026770
Oct 13, 2026770
Oct 09, 2026770
Oct 08, 2026770
Oct 07, 2026770
Oct 06, 2026770
Oct 05, 2026770
Oct 02, 202677No prior observation