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Contract OI history

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Dec 18, 2026 EXPIRATION

QNST $17.50 Call

QNST261218C00017500

Latest saved OI1,621Oct 23, 2026
Last change-13vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
QNST $17.50 call open interest history 6 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 1,6348170 2026-10-08: 618 OI2026-10-13: 617 OI2026-10-14: 627 OI2026-10-16: 627 OI2026-10-20: 1,634 OI2026-10-23: 1,621 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, 2026Viewing1,621-13
Oct 20, 20261,634+1,007
Oct 16, 20266270
Oct 14, 2026627+10
Oct 13, 2026617-1
Oct 08, 2026618No prior observation