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Contract OI history

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Dec 18, 2026 EXPIRATION

TWST $135.00 Put

TWST261218P00135000

Latest saved OI108Oct 23, 2026
Last change+1vs previous saved observation
Saved market days4Oct 14, 2026 onwards
Daily open interest Hover a point for its date and OI
TWST $135.00 put open interest history 4 saved observations from 2026-10-14 to 2026-10-23. Exact values and changes are listed in the table below. 108540 2026-10-14: 0 OI2026-10-16: 1 OI2026-10-21: 107 OI2026-10-23: 108 OI Oct 14, 2026Oct 23, 2026

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

TWST contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing108+1
Oct 21, 2026107+106
Oct 16, 20261+1
Oct 14, 20260No prior observation