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Contract OI history

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Jan 15, 2027 EXPIRATION

TWST $150.00 Call

TWST270115C00150000

Latest saved OI230Oct 23, 2026
Last change0vs 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. 2301150 2026-10-09: 160 OI2026-10-13: 162 OI2026-10-14: 162 OI2026-10-16: 162 OI2026-10-21: 230 OI2026-10-23: 230 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, 2026Viewing2300
Oct 21, 2026230+68
Oct 16, 20261620
Oct 14, 20261620
Oct 13, 2026162+2
Oct 09, 2026160No prior observation