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Contract OI history

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Jan 15, 2027 EXPIRATION

TRIN $17.50 Put

TRIN270115P00017500

Latest saved OI881Oct 23, 2026
Last change-1vs previous saved observation
Saved market days9Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TRIN $17.50 put open interest history 9 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 8824410 2026-10-02: 855 OI2026-10-05: 855 OI2026-10-06: 855 OI2026-10-07: 855 OI2026-10-12: 857 OI2026-10-14: 871 OI2026-10-16: 881 OI2026-10-21: 882 OI2026-10-23: 881 OI Oct 02, 2026Oct 23, 2026

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

TRIN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing881-1
Oct 21, 2026882+1
Oct 16, 2026881+10
Oct 14, 2026871+14
Oct 12, 2026857+2
Oct 07, 20268550
Oct 06, 20268550
Oct 05, 20268550
Oct 02, 2026855No prior observation