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Contract OI history

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Jan 15, 2027 EXPIRATION

QSI $1.50 Put

QSI270115P00001500

Latest saved OI1,484Oct 23, 2026
Last change+65vs 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. 1,4847420 2026-10-09: 751 OI2026-10-13: 970 OI2026-10-14: 1,320 OI2026-10-16: 1,320 OI2026-10-20: 1,419 OI2026-10-23: 1,484 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, 2026Viewing1,484+65
Oct 20, 20261,419+99
Oct 16, 20261,3200
Oct 14, 20261,320+350
Oct 13, 2026970+219
Oct 09, 2026751No prior observation