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Contract OI history

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Nov 20, 2026 EXPIRATION

BOC $12.50 Put

BOC261120P00012500

Latest saved OI229Oct 23, 2026
Last change+100vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BOC $12.50 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2291140 2026-10-02: 127 OI2026-10-05: 127 OI2026-10-06: 127 OI2026-10-07: 127 OI2026-10-08: 127 OI2026-10-09: 127 OI2026-10-13: 127 OI2026-10-14: 127 OI2026-10-16: 127 OI2026-10-21: 129 OI2026-10-23: 229 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BOC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing229+100
Oct 21, 2026129+2
Oct 16, 20261270
Oct 14, 20261270
Oct 13, 20261270
Oct 09, 20261270
Oct 08, 20261270
Oct 07, 20261270
Oct 06, 20261270
Oct 05, 20261270
Oct 02, 2026127No prior observation