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Contract OI history

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Nov 27, 2026 EXPIRATION

QS $3.50 Put

QS261127P00003500

Latest saved OI140Oct 23, 2026
Last change+5vs 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. 140700 2026-10-09: 0 OI2026-10-13: 9 OI2026-10-14: 9 OI2026-10-15: 29 OI2026-10-16: 134 OI2026-10-21: 135 OI2026-10-23: 140 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, 2026Viewing140+5
Oct 21, 2026135+1
Oct 16, 2026134+105
Oct 15, 202629+20
Oct 14, 202690
Oct 13, 20269+9
Oct 09, 20260No prior observation