OITracker Cboe delayed data

Contract OI history

Back to TER

Dec 17, 2027 EXPIRATION

TER $390.00 Put

TER271217P00390000

Latest saved OI39Oct 23, 2026
Last change-3vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
TER $390.00 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. 44220 2026-10-09: 44 OI2026-10-14: 44 OI2026-10-15: 42 OI2026-10-16: 42 OI2026-10-21: 42 OI2026-10-23: 39 OI Oct 09, 2026Oct 23, 2026

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

TER contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 202639-3
Oct 21, 2026Viewing420
Oct 16, 2026420
Oct 15, 202642-2
Oct 14, 2026440
Oct 09, 202644No prior observation