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Contract OI history

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Nov 20, 2026 EXPIRATION

TWST $150.00 Call

TWST261120C00150000

Latest saved OI173Oct 23, 2026
Last change+2vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
TWST $150.00 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. 173860 2026-10-09: 110 OI2026-10-13: 110 OI2026-10-14: 109 OI2026-10-16: 112 OI2026-10-21: 171 OI2026-10-23: 173 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, 2026Viewing173+2
Oct 21, 2026171+59
Oct 16, 2026112+3
Oct 14, 2026109-1
Oct 13, 20261100
Oct 09, 2026110No prior observation