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Contract OI history

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Jan 15, 2027 EXPIRATION

B $39.00 Call

B270115C00039000

Latest saved OI304Oct 23, 2026
Last change+20vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
B $39.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3041520 2026-10-02: 261 OI2026-10-05: 270 OI2026-10-06: 270 OI2026-10-07: 270 OI2026-10-08: 270 OI2026-10-09: 280 OI2026-10-13: 280 OI2026-10-14: 280 OI2026-10-15: 284 OI2026-10-16: 284 OI2026-10-21: 284 OI2026-10-23: 304 OI Oct 02, 2026Oct 23, 2026

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

B contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing304+20
Oct 21, 20262840
Oct 16, 20262840
Oct 15, 2026284+4
Oct 14, 20262800
Oct 13, 20262800
Oct 09, 2026280+10
Oct 08, 20262700
Oct 07, 20262700
Oct 06, 20262700
Oct 05, 2026270+9
Oct 02, 2026261No prior observation