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Contract OI history

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Nov 20, 2026 EXPIRATION

TWST $170.00 Call

TWST261120C00170000

Latest saved OI227Oct 23, 2026
Last change+5vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
TWST $170.00 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2661330 2026-10-09: 29 OI2026-10-13: 220 OI2026-10-14: 248 OI2026-10-16: 266 OI2026-10-21: 222 OI2026-10-23: 227 OI Oct 09, 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, 2026Viewing227+5
Oct 21, 2026222-44
Oct 16, 2026266+18
Oct 14, 2026248+28
Oct 13, 2026220+191
Oct 09, 202629No prior observation