OITracker Cboe delayed data

Contract OI history

Back to BKSY

Nov 20, 2026 EXPIRATION

BKSY $20.00 Call

BKSY261120C00020000

Latest saved OI2,362Oct 23, 2026
Last change+21vs 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. 2,3621,1810 2026-10-02: 238 OI2026-10-05: 239 OI2026-10-06: 241 OI2026-10-07: 238 OI2026-10-08: 238 OI2026-10-09: 238 OI2026-10-13: 248 OI2026-10-14: 248 OI2026-10-15: 314 OI2026-10-16: 313 OI2026-10-21: 2,341 OI2026-10-23: 2,362 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, 2026Viewing2,362+21
Oct 21, 20262,341+2,028
Oct 16, 2026313-1
Oct 15, 2026314+66
Oct 14, 20262480
Oct 13, 2026248+10
Oct 09, 20262380
Oct 08, 20262380
Oct 07, 2026238-3
Oct 06, 2026241+2
Oct 05, 2026239+1
Oct 02, 2026238No prior observation