OITracker Cboe delayed data

Contract OI history

Back to ENTG

Jan 15, 2027 EXPIRATION

ENTG $145.00 Put

ENTG270115P00145000

Latest saved OI289Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ENTG $145.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2891440 2026-10-09: 33 OI2026-10-13: 33 OI2026-10-14: 178 OI2026-10-15: 285 OI2026-10-16: 285 OI2026-10-21: 287 OI2026-10-23: 289 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ENTG contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing289+2
Oct 21, 2026287+2
Oct 16, 20262850
Oct 15, 2026285+107
Oct 14, 2026178+145
Oct 13, 2026330
Oct 09, 202633No prior observation