OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

TRN $36.00 Put

TRN270115P00036000

Latest saved OI2Oct 23, 2026
Last change-1vs previous saved observation
Saved market days11Sep 30, 2026 onwards
Daily open interest Hover a point for its date and OI
TRN $36.00 put open interest history 11 saved observations from 2026-09-30 to 2026-10-23. Exact values and changes are listed in the table below. 420 2026-09-30: 4 OI2026-10-05: 4 OI2026-10-06: 4 OI2026-10-07: 4 OI2026-10-08: 4 OI2026-10-09: 4 OI2026-10-12: 4 OI2026-10-14: 4 OI2026-10-16: 4 OI2026-10-21: 3 OI2026-10-23: 2 OI Sep 30, 2026Oct 23, 2026

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

TRN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2-1
Oct 21, 20263-1
Oct 16, 202640
Oct 14, 202640
Oct 12, 202640
Oct 09, 202640
Oct 08, 202640
Oct 07, 202640
Oct 06, 202640
Oct 05, 202640
Sep 30, 20264No prior observation