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Contract OI history

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Nov 20, 2026 EXPIRATION

BKSY $30.00 Put

BKSY261120P00030000

Latest saved OI105Oct 23, 2026
Last change-2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BKSY $30.00 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. 123610 2026-10-02: 123 OI2026-10-05: 123 OI2026-10-06: 121 OI2026-10-07: 121 OI2026-10-08: 121 OI2026-10-09: 123 OI2026-10-13: 122 OI2026-10-14: 122 OI2026-10-15: 117 OI2026-10-16: 117 OI2026-10-21: 107 OI2026-10-23: 105 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, 2026Viewing105-2
Oct 21, 2026107-10
Oct 16, 20261170
Oct 15, 2026117-5
Oct 14, 20261220
Oct 13, 2026122-1
Oct 09, 2026123+2
Oct 08, 20261210
Oct 07, 20261210
Oct 06, 2026121-2
Oct 05, 20261230
Oct 02, 2026123No prior observation