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Contract OI history

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Dec 18, 2026 EXPIRATION

OMDA $20.00 Put

OMDA261218P00020000

Latest saved OI230Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 07, 2026 onwards
Daily open interest Hover a point for its date and OI
OMDA $20.00 put open interest history 7 saved observations from 2026-10-07 to 2026-10-23. Exact values and changes are listed in the table below. 2351170 2026-10-07: 227 OI2026-10-13: 235 OI2026-10-14: 235 OI2026-10-15: 235 OI2026-10-16: 230 OI2026-10-20: 230 OI2026-10-23: 230 OI Oct 07, 2026Oct 23, 2026

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

OMDA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2300
Oct 20, 20262300
Oct 16, 2026230-5
Oct 15, 20262350
Oct 14, 20262350
Oct 13, 2026235+8
Oct 07, 2026227No prior observation