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Contract OI history

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May 21, 2027 EXPIRATION

SNDK $1100.00 Put

SNDK270521P01100000

Latest saved OI121Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SNDK $1100.00 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. 121600 2026-10-09: 10 OI2026-10-13: 116 OI2026-10-14: 116 OI2026-10-15: 117 OI2026-10-16: 117 OI2026-10-21: 118 OI2026-10-23: 121 OI Oct 09, 2026Oct 23, 2026

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

SNDK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing121+3
Oct 21, 2026118+1
Oct 16, 20261170
Oct 15, 2026117+1
Oct 14, 20261160
Oct 13, 2026116+106
Oct 09, 202610No prior observation