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Contract OI history

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Nov 20, 2026 EXPIRATION

BETA $20.00 Put

BETA261120P00020000

Latest saved OI239Oct 23, 2026
Last change+12vs 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. 3101550 2026-10-02: 71 OI2026-10-05: 72 OI2026-10-06: 77 OI2026-10-07: 75 OI2026-10-08: 310 OI2026-10-09: 310 OI2026-10-13: 204 OI2026-10-14: 204 OI2026-10-16: 217 OI2026-10-20: 227 OI2026-10-23: 239 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, 2026Viewing239+12
Oct 20, 2026227+10
Oct 16, 2026217+13
Oct 14, 20262040
Oct 13, 2026204-106
Oct 09, 20263100
Oct 08, 2026310+235
Oct 07, 202675-2
Oct 06, 202677+5
Oct 05, 202672+1
Oct 02, 202671No prior observation