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Contract OI history

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Apr 16, 2027 EXPIRATION

TRIN $17.50 Call

TRIN270416C00017500

Latest saved OI157Oct 23, 2026
Last change+16vs previous saved observation
Saved market days9Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TRIN $17.50 call open interest history 9 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 157780 2026-10-02: 114 OI2026-10-05: 114 OI2026-10-06: 153 OI2026-10-07: 153 OI2026-10-12: 111 OI2026-10-14: 108 OI2026-10-16: 129 OI2026-10-21: 141 OI2026-10-23: 157 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, 2026Viewing157+16
Oct 21, 2026141+12
Oct 16, 2026129+21
Oct 14, 2026108-3
Oct 12, 2026111-42
Oct 07, 20261530
Oct 06, 2026153+39
Oct 05, 20261140
Oct 02, 2026114No prior observation