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Contract OI history

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Dec 18, 2026 EXPIRATION

STAA $22.50 Call

STAA261218C00022500

Latest saved OI514Oct 23, 2026
Last change+49vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
STAA $22.50 call open interest history 8 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 5142570 2026-10-08: 464 OI2026-10-09: 464 OI2026-10-13: 464 OI2026-10-14: 464 OI2026-10-15: 464 OI2026-10-16: 464 OI2026-10-20: 465 OI2026-10-23: 514 OI Oct 08, 2026Oct 23, 2026

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

STAA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing514+49
Oct 20, 2026465+1
Oct 16, 20264640
Oct 15, 20264640
Oct 14, 20264640
Oct 13, 20264640
Oct 09, 20264640
Oct 08, 2026464No prior observation