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Contract OI history

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Dec 18, 2026 EXPIRATION

SITM $610.00 Put

SITM261218P00610000

Latest saved OI51Oct 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 $610.00 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. 56280 2026-10-09: 56 OI2026-10-13: 55 OI2026-10-14: 55 OI2026-10-15: 51 OI2026-10-16: 51 OI2026-10-21: 51 OI2026-10-23: 51 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, 2026Viewing510
Oct 21, 2026510
Oct 16, 2026510
Oct 15, 202651-4
Oct 14, 2026550
Oct 13, 202655-1
Oct 09, 202656No prior observation