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Contract OI history

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May 21, 2027 EXPIRATION

ONDS $4.00 Put

ONDS270521P00004000

Latest saved OI660Oct 23, 2026
Last change-95vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ONDS $4.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 7553770 2026-10-09: 311 OI2026-10-13: 572 OI2026-10-14: 572 OI2026-10-15: 572 OI2026-10-16: 755 OI2026-10-21: 755 OI2026-10-23: 660 OI Oct 09, 2026Oct 23, 2026

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

ONDS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing660-95
Oct 21, 20267550
Oct 16, 2026755+183
Oct 15, 20265720
Oct 14, 20265720
Oct 13, 2026572+261
Oct 09, 2026311No prior observation