OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

TER $300.00 Put

TER280121P00300000

Latest saved OI143Oct 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. 143710 2026-10-09: 140 OI2026-10-14: 141 OI2026-10-15: 142 OI2026-10-16: 142 OI2026-10-21: 142 OI2026-10-23: 143 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, 2026Viewing143+1
Oct 21, 20261420
Oct 16, 20261420
Oct 15, 2026142+1
Oct 14, 2026141+1
Oct 09, 2026140No prior observation