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Contract OI history

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Jan 15, 2027 EXPIRATION

BEN $27.50 Put

BEN270115P00027500

Latest saved OI551Oct 23, 2026
Last change+21vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BEN $27.50 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. 5512750 2026-10-02: 371 OI2026-10-05: 371 OI2026-10-06: 371 OI2026-10-07: 371 OI2026-10-08: 372 OI2026-10-09: 372 OI2026-10-13: 332 OI2026-10-14: 332 OI2026-10-15: 332 OI2026-10-16: 332 OI2026-10-21: 530 OI2026-10-23: 551 OI Oct 02, 2026Oct 23, 2026

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

BEN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing551+21
Oct 21, 2026530+198
Oct 16, 20263320
Oct 15, 20263320
Oct 14, 20263320
Oct 13, 2026332-40
Oct 09, 20263720
Oct 08, 2026372+1
Oct 07, 20263710
Oct 06, 20263710
Oct 05, 20263710
Oct 02, 2026371No prior observation