OITracker Cboe delayed data

Contract OI history

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Nov 06, 2026 EXPIRATION

B $39.00 Put

B261106P00039000

Latest saved OI163Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
B $39.00 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. 163810 2026-10-02: 12 OI2026-10-05: 19 OI2026-10-06: 19 OI2026-10-07: 25 OI2026-10-08: 25 OI2026-10-09: 32 OI2026-10-13: 34 OI2026-10-14: 35 OI2026-10-15: 32 OI2026-10-16: 33 OI2026-10-21: 163 OI2026-10-23: 163 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, 2026Viewing1630
Oct 21, 2026163+130
Oct 16, 202633+1
Oct 15, 202632-3
Oct 14, 202635+1
Oct 13, 202634+2
Oct 09, 202632+7
Oct 08, 2026250
Oct 07, 202625+6
Oct 06, 2026190
Oct 05, 202619+7
Oct 02, 202612No prior observation