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Contract OI history

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Jan 15, 2027 EXPIRATION

CMBT $12.50 Put

CMBT270115P00012500

Latest saved OI636Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CMBT $12.50 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 8294140 2026-10-02: 829 OI2026-10-05: 829 OI2026-10-06: 829 OI2026-10-07: 829 OI2026-10-08: 829 OI2026-10-09: 822 OI2026-10-13: 822 OI2026-10-15: 636 OI2026-10-16: 636 OI2026-10-20: 636 OI2026-10-23: 636 OI Oct 02, 2026Oct 23, 2026

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

CMBT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing6360
Oct 20, 20266360
Oct 16, 20266360
Oct 15, 2026636-186
Oct 13, 20268220
Oct 09, 2026822-7
Oct 08, 20268290
Oct 07, 20268290
Oct 06, 20268290
Oct 05, 20268290
Oct 02, 2026829No prior observation