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Contract OI history

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Jan 15, 2027 EXPIRATION

ATYR $500.00 Put

ATYR270115P00000500

Latest saved OI129Oct 23, 2026
Last change-4vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ATYR $500.00 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. 178890 2026-10-09: 178 OI2026-10-13: 134 OI2026-10-14: 133 OI2026-10-16: 133 OI2026-10-21: 133 OI2026-10-23: 129 OI Oct 09, 2026Oct 23, 2026

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

ATYR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing129-4
Oct 21, 20261330
Oct 16, 20261330
Oct 14, 2026133-1
Oct 13, 2026134-44
Oct 09, 2026178No prior observation