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Contract OI history

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Dec 18, 2026 EXPIRATION

BCS $24.00 Put

BCS261218P00024000

Latest saved OI345Oct 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
BCS $24.00 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. 3471730 2026-10-02: 312 OI2026-10-05: 318 OI2026-10-06: 324 OI2026-10-07: 339 OI2026-10-08: 341 OI2026-10-09: 339 OI2026-10-13: 345 OI2026-10-14: 345 OI2026-10-15: 347 OI2026-10-16: 347 OI2026-10-21: 344 OI2026-10-23: 345 OI Oct 02, 2026Oct 23, 2026

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

BCS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing345+1
Oct 21, 2026344-3
Oct 16, 20263470
Oct 15, 2026347+2
Oct 14, 20263450
Oct 13, 2026345+6
Oct 09, 2026339-2
Oct 08, 2026341+2
Oct 07, 2026339+15
Oct 06, 2026324+6
Oct 05, 2026318+6
Oct 02, 2026312No prior observation