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Contract OI history

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Mar 19, 2027 EXPIRATION

OPTU $500.00 Put

OPTU270319P00000500

Latest saved OI1,000Oct 23, 2026
Last change+741vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
OPTU $500.00 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. 1,0005000 2026-10-02: 107 OI2026-10-05: 80 OI2026-10-07: 118 OI2026-10-08: 81 OI2026-10-09: 81 OI2026-10-13: 82 OI2026-10-14: 82 OI2026-10-16: 89 OI2026-10-20: 259 OI2026-10-23: 1,000 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, 2026Viewing1,000+741
Oct 20, 2026259+170
Oct 16, 202689+7
Oct 14, 2026820
Oct 13, 202682+1
Oct 09, 2026810
Oct 08, 202681-37
Oct 07, 2026118+38
Oct 05, 202680-27
Oct 02, 2026107No prior observation