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Contract OI history

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Nov 20, 2026 EXPIRATION

TRN $25.00 Put

TRN261120P00025000

Latest saved OI17Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Sep 30, 2026 onwards
Daily open interest Hover a point for its date and OI
TRN $25.00 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. 1780 2026-09-30: 0 OI2026-10-05: 6 OI2026-10-06: 6 OI2026-10-07: 6 OI2026-10-08: 6 OI2026-10-09: 6 OI2026-10-12: 17 OI2026-10-14: 17 OI2026-10-16: 17 OI2026-10-21: 17 OI2026-10-23: 17 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, 2026Viewing170
Oct 21, 2026170
Oct 16, 2026170
Oct 14, 2026170
Oct 12, 202617+11
Oct 09, 202660
Oct 08, 202660
Oct 07, 202660
Oct 06, 202660
Oct 05, 20266+6
Sep 30, 20260No prior observation