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Contract OI history

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Nov 20, 2026 EXPIRATION

TWST $185.00 Call

TWST261120C00185000

Latest saved OI50Oct 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 $185.00 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. 53260 2026-10-09: 53 OI2026-10-13: 47 OI2026-10-14: 45 OI2026-10-16: 52 OI2026-10-21: 50 OI2026-10-23: 50 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, 2026Viewing500
Oct 21, 202650-2
Oct 16, 202652+7
Oct 14, 202645-2
Oct 13, 202647-6
Oct 09, 202653No prior observation