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Contract OI history

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Nov 20, 2026 EXPIRATION

OPTX $7.50 Put

OPTX261120P00007500

Latest saved OI261Oct 23, 2026
Last change+33vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OPTX $7.50 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2611300 2026-10-09: 128 OI2026-10-13: 163 OI2026-10-14: 185 OI2026-10-16: 214 OI2026-10-20: 228 OI2026-10-23: 261 OI Oct 09, 2026Oct 23, 2026

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

OPTX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing261+33
Oct 20, 2026228+14
Oct 16, 2026214+29
Oct 14, 2026185+22
Oct 13, 2026163+35
Oct 09, 2026128No prior observation