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Contract OI history

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Oct 23, 2026 EXPIRATION

QS $4.00 Put

QS261023P00004000

Latest saved OI2,158Oct 23, 2026
Last change+663vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
QS $4.00 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. 2,1581,0790 2026-10-09: 163 OI2026-10-13: 1,108 OI2026-10-14: 1,108 OI2026-10-15: 1,157 OI2026-10-16: 997 OI2026-10-21: 1,495 OI2026-10-23: 2,158 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, 2026Viewing2,158+663
Oct 21, 20261,495+498
Oct 16, 2026997-160
Oct 15, 20261,157+49
Oct 14, 20261,1080
Oct 13, 20261,108+945
Oct 09, 2026163No prior observation