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Contract OI history

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Dec 18, 2026 EXPIRATION

BRO $55.00 Put

BRO261218P00055000

Latest saved OI319Oct 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
BRO $55.00 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. 3331660 2026-10-02: 333 OI2026-10-05: 333 OI2026-10-06: 333 OI2026-10-07: 333 OI2026-10-08: 333 OI2026-10-09: 333 OI2026-10-13: 327 OI2026-10-14: 322 OI2026-10-15: 322 OI2026-10-16: 322 OI2026-10-21: 321 OI2026-10-23: 319 OI Oct 02, 2026Oct 23, 2026

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

BRO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing319-2
Oct 21, 2026321-1
Oct 16, 20263220
Oct 15, 20263220
Oct 14, 2026322-5
Oct 13, 2026327-6
Oct 09, 20263330
Oct 08, 20263330
Oct 07, 20263330
Oct 06, 20263330
Oct 05, 20263330
Oct 02, 2026333No prior observation