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Contract OI history

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Dec 18, 2026 EXPIRATION

QNST $17.50 Put

QNST261218P00017500

Latest saved OI434Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
QNST $17.50 put open interest history 6 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 4342170 2026-10-08: 434 OI2026-10-13: 434 OI2026-10-14: 434 OI2026-10-16: 434 OI2026-10-20: 434 OI2026-10-23: 434 OI Oct 08, 2026Oct 23, 2026

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

QNST contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing4340
Oct 20, 20264340
Oct 16, 20264340
Oct 14, 20264340
Oct 13, 20264340
Oct 08, 2026434No prior observation