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Contract OI history

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Jan 15, 2027 EXPIRATION

QSI $500.00 Put

QSI270115P00000500

Latest saved OI1,159Oct 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 $500.00 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. 1,2316150 2026-10-09: 1,231 OI2026-10-13: 1,231 OI2026-10-14: 1,231 OI2026-10-16: 1,159 OI2026-10-20: 1,159 OI2026-10-23: 1,159 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, 2026Viewing1,1590
Oct 20, 20261,1590
Oct 16, 20261,159-72
Oct 14, 20261,2310
Oct 13, 20261,2310
Oct 09, 20261,231No prior observation