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Contract OI history

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Jan 21, 2028 EXPIRATION

ATYR $1000.00 Put

ATYR280121P00001000

Latest saved OI130Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ATYR $1000.00 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. 193960 2026-10-09: 193 OI2026-10-13: 193 OI2026-10-14: 193 OI2026-10-16: 193 OI2026-10-21: 130 OI2026-10-23: 130 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, 2026Viewing1300
Oct 21, 2026130-63
Oct 16, 20261930
Oct 14, 20261930
Oct 13, 20261930
Oct 09, 2026193No prior observation