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Contract OI history

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Jan 21, 2028 EXPIRATION

BKSY $35.00 Call

BKSY280121C00035000

Latest saved OI187Oct 23, 2026
Last change-6vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BKSY $35.00 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. 2111050 2026-10-02: 209 OI2026-10-05: 209 OI2026-10-06: 210 OI2026-10-07: 211 OI2026-10-08: 211 OI2026-10-09: 211 OI2026-10-13: 194 OI2026-10-14: 194 OI2026-10-15: 193 OI2026-10-16: 193 OI2026-10-21: 193 OI2026-10-23: 187 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, 2026Viewing187-6
Oct 21, 20261930
Oct 16, 20261930
Oct 15, 2026193-1
Oct 14, 20261940
Oct 13, 2026194-17
Oct 09, 20262110
Oct 08, 20262110
Oct 07, 2026211+1
Oct 06, 2026210+1
Oct 05, 20262090
Oct 02, 2026209No prior observation