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Contract OI history

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Nov 20, 2026 EXPIRATION

CBRS $220.00 Put

CBRS261120P00220000

Latest saved OI1Oct 23, 2026
Last change-79vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CBRS $220.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 124620 2026-10-09: 124 OI2026-10-13: 124 OI2026-10-14: 122 OI2026-10-15: 122 OI2026-10-16: 122 OI2026-10-21: 80 OI2026-10-23: 1 OI Oct 09, 2026Oct 23, 2026

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

CBRS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1-79
Oct 21, 202680-42
Oct 16, 20261220
Oct 15, 20261220
Oct 14, 2026122-2
Oct 13, 20261240
Oct 09, 2026124No prior observation