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Contract OI history

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Mar 19, 2027 EXPIRATION

QMCO $12.50 Put

QMCO270319P00012500

Latest saved OI28Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
QMCO $12.50 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. 28140 2026-10-09: 22 OI2026-10-13: 22 OI2026-10-14: 22 OI2026-10-16: 22 OI2026-10-20: 28 OI2026-10-23: 28 OI Oct 09, 2026Oct 23, 2026

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

QMCO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026280
Oct 20, 2026Viewing28+6
Oct 16, 2026220
Oct 14, 2026220
Oct 13, 2026220
Oct 09, 202622No prior observation