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Contract OI history

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Nov 20, 2026 EXPIRATION

BKSY $25.00 Call

BKSY261120C00025000

Latest saved OI640Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BKSY $25.00 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. 1,1275630 2026-10-02: 1,127 OI2026-10-05: 424 OI2026-10-06: 575 OI2026-10-07: 578 OI2026-10-08: 578 OI2026-10-09: 621 OI2026-10-13: 646 OI2026-10-14: 646 OI2026-10-15: 614 OI2026-10-16: 606 OI2026-10-21: 637 OI2026-10-23: 640 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, 2026Viewing640+3
Oct 21, 2026637+31
Oct 16, 2026606-8
Oct 15, 2026614-32
Oct 14, 20266460
Oct 13, 2026646+25
Oct 09, 2026621+43
Oct 08, 20265780
Oct 07, 2026578+3
Oct 06, 2026575+151
Oct 05, 2026424-703
Oct 02, 20261,127No prior observation