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Contract OI history

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Apr 16, 2027 EXPIRATION

QSI $1.50 Put

QSI270416P00001500

Latest saved OI93Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
QSI $1.50 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. 93460 2026-10-09: 44 OI2026-10-13: 74 OI2026-10-14: 75 OI2026-10-16: 75 OI2026-10-20: 93 OI2026-10-23: 93 OI Oct 09, 2026Oct 23, 2026

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

QSI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing930
Oct 20, 202693+18
Oct 16, 2026750
Oct 14, 202675+1
Oct 13, 202674+30
Oct 09, 202644No prior observation