OITracker Cboe delayed data

Contract OI history

Back to BKSY

Feb 19, 2027 EXPIRATION

BKSY $20.00 Call

BKSY270219C00020000

Latest saved OI313Oct 23, 2026
Last change+31vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BKSY $20.00 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. 3131560 2026-10-02: 23 OI2026-10-05: 23 OI2026-10-06: 23 OI2026-10-07: 23 OI2026-10-08: 23 OI2026-10-09: 25 OI2026-10-13: 25 OI2026-10-14: 25 OI2026-10-15: 44 OI2026-10-16: 43 OI2026-10-21: 282 OI2026-10-23: 313 OI Oct 02, 2026Oct 23, 2026

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

BKSY contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing313+31
Oct 21, 2026282+239
Oct 16, 202643-1
Oct 15, 202644+19
Oct 14, 2026250
Oct 13, 2026250
Oct 09, 202625+2
Oct 08, 2026230
Oct 07, 2026230
Oct 06, 2026230
Oct 05, 2026230
Oct 02, 202623No prior observation