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Contract OI history

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Jan 15, 2027 EXPIRATION

BETA $20.00 Put

BETA270115P00020000

Latest saved OI472Oct 23, 2026
Last change-19vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BETA $20.00 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. 4912450 2026-10-02: 419 OI2026-10-05: 419 OI2026-10-06: 420 OI2026-10-07: 420 OI2026-10-08: 420 OI2026-10-09: 420 OI2026-10-13: 430 OI2026-10-14: 430 OI2026-10-16: 454 OI2026-10-20: 491 OI2026-10-23: 472 OI Oct 02, 2026Oct 23, 2026

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

BETA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing472-19
Oct 20, 2026491+37
Oct 16, 2026454+24
Oct 14, 20264300
Oct 13, 2026430+10
Oct 09, 20264200
Oct 08, 20264200
Oct 07, 20264200
Oct 06, 2026420+1
Oct 05, 20264190
Oct 02, 2026419No prior observation