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Contract OI history

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Mar 19, 2027 EXPIRATION

CB $330.00 Put

CB270319P00330000

Latest saved OI48Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CB $330.00 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. 54270 2026-10-02: 32 OI2026-10-05: 33 OI2026-10-06: 35 OI2026-10-07: 39 OI2026-10-08: 39 OI2026-10-09: 49 OI2026-10-13: 50 OI2026-10-14: 51 OI2026-10-15: 51 OI2026-10-16: 54 OI2026-10-21: 49 OI2026-10-23: 48 OI Oct 02, 2026Oct 23, 2026

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

CB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing48-1
Oct 21, 202649-5
Oct 16, 202654+3
Oct 15, 2026510
Oct 14, 202651+1
Oct 13, 202650+1
Oct 09, 202649+10
Oct 08, 2026390
Oct 07, 202639+4
Oct 06, 202635+2
Oct 05, 202633+1
Oct 02, 202632No prior observation