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Contract OI history

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Nov 13, 2026 EXPIRATION

SNDK $1040.00 Put

SNDK261113P01040000

Latest saved OI9Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SNDK $1040.00 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. 129640 2026-10-09: 123 OI2026-10-13: 128 OI2026-10-14: 128 OI2026-10-15: 128 OI2026-10-16: 129 OI2026-10-21: 8 OI2026-10-23: 9 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, 2026Viewing9+1
Oct 21, 20268-121
Oct 16, 2026129+1
Oct 15, 20261280
Oct 14, 20261280
Oct 13, 2026128+5
Oct 09, 2026123No prior observation