OITracker Cboe delayed data

Contract OI history

Back to TER

Oct 23, 2026 EXPIRATION

TER $300.00 Put

TER261023P00300000

Latest saved OI220Oct 23, 2026
Last change+1vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
TER $300.00 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. 2201100 2026-10-09: 32 OI2026-10-14: 32 OI2026-10-15: 143 OI2026-10-16: 179 OI2026-10-21: 219 OI2026-10-23: 220 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, 2026Viewing220+1
Oct 21, 2026219+40
Oct 16, 2026179+36
Oct 15, 2026143+111
Oct 14, 2026320
Oct 09, 202632No prior observation