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Contract OI history

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Dec 18, 2026 EXPIRATION

STAA $20.00 Put

STAA261218P00020000

Latest saved OI130Oct 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 $20.00 put open interest history 8 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 135670 2026-10-08: 135 OI2026-10-09: 135 OI2026-10-13: 135 OI2026-10-14: 135 OI2026-10-15: 135 OI2026-10-16: 135 OI2026-10-20: 130 OI2026-10-23: 130 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, 2026Viewing1300
Oct 20, 2026130-5
Oct 16, 20261350
Oct 15, 20261350
Oct 14, 20261350
Oct 13, 20261350
Oct 09, 20261350
Oct 08, 2026135No prior observation