OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

TWST $140.00 Put

TWST270115P00140000

Latest saved OI134Oct 23, 2026
Last change+4vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
TWST $140.00 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 136680 2026-10-09: 136 OI2026-10-13: 136 OI2026-10-14: 130 OI2026-10-16: 130 OI2026-10-21: 130 OI2026-10-23: 134 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, 2026Viewing134+4
Oct 21, 20261300
Oct 16, 20261300
Oct 14, 2026130-6
Oct 13, 20261360
Oct 09, 2026136No prior observation