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Contract OI history

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Nov 20, 2026 EXPIRATION

CLBK $12.50 Call

CLBK261120C00012500

Latest saved OI119Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
CLBK $12.50 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 119590 2026-10-08: 43 OI2026-10-09: 93 OI2026-10-13: 117 OI2026-10-14: 117 OI2026-10-16: 117 OI2026-10-20: 117 OI2026-10-23: 119 OI Oct 08, 2026Oct 23, 2026

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

CLBK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing119+2
Oct 20, 20261170
Oct 16, 20261170
Oct 14, 20261170
Oct 13, 2026117+24
Oct 09, 202693+50
Oct 08, 202643No prior observation