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Contract OI history

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Nov 20, 2026 EXPIRATION

ENTG $115.00 Put

ENTG261120P00115000

Latest saved OI1,040Oct 23, 2026
Last change-183vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ENTG $115.00 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. 1,2236110 2026-10-09: 232 OI2026-10-13: 232 OI2026-10-14: 232 OI2026-10-15: 234 OI2026-10-16: 234 OI2026-10-21: 1,223 OI2026-10-23: 1,040 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, 2026Viewing1,040-183
Oct 21, 20261,223+989
Oct 16, 20262340
Oct 15, 2026234+2
Oct 14, 20262320
Oct 13, 20262320
Oct 09, 2026232No prior observation