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Contract OI history

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Oct 23, 2026 EXPIRATION

QS $3.50 Put

QS261023P00003500

Latest saved OI2,599Oct 23, 2026
Last change+2,237vs 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. 2,5991,2990 2026-10-09: 43 OI2026-10-13: 44 OI2026-10-14: 44 OI2026-10-15: 166 OI2026-10-16: 171 OI2026-10-21: 362 OI2026-10-23: 2,599 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, 2026Viewing2,599+2,237
Oct 21, 2026362+191
Oct 16, 2026171+5
Oct 15, 2026166+122
Oct 14, 2026440
Oct 13, 202644+1
Oct 09, 202643No prior observation