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Contract OI history

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Nov 20, 2026 EXPIRATION

QDEL $12.50 Put

QDEL261120P00012500

Latest saved OI5Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
QDEL $12.50 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 520 2026-10-08: 2 OI2026-10-09: 2 OI2026-10-13: 3 OI2026-10-14: 2 OI2026-10-16: 2 OI2026-10-20: 4 OI2026-10-23: 5 OI Oct 08, 2026Oct 23, 2026

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

QDEL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20265+1
Oct 20, 2026Viewing4+2
Oct 16, 202620
Oct 14, 20262-1
Oct 13, 20263+1
Oct 09, 202620
Oct 08, 20262No prior observation