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Contract OI history

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Nov 06, 2026 EXPIRATION

QS $3.50 Put

QS261106P00003500

Latest saved OI220Oct 23, 2026
Last change-9vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
QS $3.50 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2291140 2026-10-09: 26 OI2026-10-13: 29 OI2026-10-14: 29 OI2026-10-15: 96 OI2026-10-16: 98 OI2026-10-21: 229 OI2026-10-23: 220 OI Oct 09, 2026Oct 23, 2026

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

QS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing220-9
Oct 21, 2026229+131
Oct 16, 202698+2
Oct 15, 202696+67
Oct 14, 2026290
Oct 13, 202629+3
Oct 09, 202626No prior observation