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Contract OI history

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Mar 19, 2027 EXPIRATION

OPTU $1000.00 Put

OPTU270319P00001000

Latest saved OI664Oct 23, 2026
Last change+346vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
OPTU $1000.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 6643320 2026-10-02: 308 OI2026-10-05: 310 OI2026-10-07: 310 OI2026-10-08: 310 OI2026-10-09: 312 OI2026-10-13: 313 OI2026-10-14: 314 OI2026-10-16: 316 OI2026-10-20: 318 OI2026-10-23: 664 OI Oct 02, 2026Oct 23, 2026

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

OPTU contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing664+346
Oct 20, 2026318+2
Oct 16, 2026316+2
Oct 14, 2026314+1
Oct 13, 2026313+1
Oct 09, 2026312+2
Oct 08, 20263100
Oct 07, 20263100
Oct 05, 2026310+2
Oct 02, 2026308No prior observation