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Contract OI history

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Dec 18, 2026 EXPIRATION

STAA $40.00 Call

STAA261218C00040000

Latest saved OI494Oct 23, 2026
Last change0vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
STAA $40.00 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. 4942470 2026-10-08: 494 OI2026-10-09: 494 OI2026-10-13: 494 OI2026-10-14: 494 OI2026-10-15: 494 OI2026-10-16: 494 OI2026-10-20: 494 OI2026-10-23: 494 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, 2026Viewing4940
Oct 20, 20264940
Oct 16, 20264940
Oct 15, 20264940
Oct 14, 20264940
Oct 13, 20264940
Oct 09, 20264940
Oct 08, 2026494No prior observation