OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

TRN $19.00 Put

TRN270115P00019000

Latest saved OI40Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 05, 2026 onwards
Daily open interest Hover a point for its date and OI
TRN $19.00 put open interest history 10 saved observations from 2026-10-05 to 2026-10-23. Exact values and changes are listed in the table below. 40200 2026-10-05: 0 OI2026-10-06: 10 OI2026-10-07: 10 OI2026-10-08: 20 OI2026-10-09: 40 OI2026-10-12: 40 OI2026-10-14: 40 OI2026-10-16: 40 OI2026-10-21: 40 OI2026-10-23: 40 OI Oct 05, 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, 2026Viewing400
Oct 21, 2026400
Oct 16, 2026400
Oct 14, 2026400
Oct 12, 2026400
Oct 09, 202640+20
Oct 08, 202620+10
Oct 07, 2026100
Oct 06, 202610+10
Oct 05, 20260No prior observation