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Contract OI history

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Apr 16, 2027 EXPIRATION

TRIN $17.50 Put

TRIN270416P00017500

Latest saved OI122Oct 23, 2026
Last change0vs 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. 122610 2026-10-02: 94 OI2026-10-05: 94 OI2026-10-06: 99 OI2026-10-07: 99 OI2026-10-12: 99 OI2026-10-14: 102 OI2026-10-16: 122 OI2026-10-21: 122 OI2026-10-23: 122 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, 2026Viewing1220
Oct 21, 20261220
Oct 16, 2026122+20
Oct 14, 2026102+3
Oct 12, 2026990
Oct 07, 2026990
Oct 06, 202699+5
Oct 05, 2026940
Oct 02, 202694No prior observation