OITracker Cboe delayed data

Contract OI history

Back to TER

Oct 30, 2026 EXPIRATION

TER $275.00 Put

TER261030P00275000

Latest saved OI4,651Oct 23, 2026
Last change+12vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
TER $275.00 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. 4,6512,3250 2026-10-09: 4,636 OI2026-10-14: 4,637 OI2026-10-15: 4,638 OI2026-10-16: 4,641 OI2026-10-21: 4,639 OI2026-10-23: 4,651 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, 2026Viewing4,651+12
Oct 21, 20264,639-2
Oct 16, 20264,641+3
Oct 15, 20264,638+1
Oct 14, 20264,637+1
Oct 09, 20264,636No prior observation