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Contract OI history

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Feb 19, 2027 EXPIRATION

BKSY $15.00 Put

BKSY270219P00015000

Latest saved OI104Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BKSY $15.00 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. 105520 2026-10-02: 33 OI2026-10-05: 33 OI2026-10-06: 33 OI2026-10-07: 101 OI2026-10-08: 101 OI2026-10-09: 105 OI2026-10-13: 105 OI2026-10-14: 105 OI2026-10-15: 105 OI2026-10-16: 105 OI2026-10-21: 105 OI2026-10-23: 104 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, 2026Viewing104-1
Oct 21, 20261050
Oct 16, 20261050
Oct 15, 20261050
Oct 14, 20261050
Oct 13, 20261050
Oct 09, 2026105+4
Oct 08, 20261010
Oct 07, 2026101+68
Oct 06, 2026330
Oct 05, 2026330
Oct 02, 202633No prior observation