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Contract OI history

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Nov 20, 2026 EXPIRATION

SITM $490.00 Put

SITM261120P00490000

Latest saved OI28Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SITM $490.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 31150 2026-10-09: 29 OI2026-10-13: 30 OI2026-10-14: 30 OI2026-10-15: 31 OI2026-10-16: 30 OI2026-10-21: 28 OI2026-10-23: 28 OI Oct 09, 2026Oct 23, 2026

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

SITM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing280
Oct 21, 202628-2
Oct 16, 202630-1
Oct 15, 202631+1
Oct 14, 2026300
Oct 13, 202630+1
Oct 09, 202629No prior observation