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Contract OI history

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Mar 19, 2027 EXPIRATION

SNDK $820.00 Put

SNDK270319P00820000

Latest saved OI196Oct 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 $820.00 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. 2011000 2026-10-09: 192 OI2026-10-13: 196 OI2026-10-14: 196 OI2026-10-15: 198 OI2026-10-16: 201 OI2026-10-21: 195 OI2026-10-23: 196 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, 2026Viewing196+1
Oct 21, 2026195-6
Oct 16, 2026201+3
Oct 15, 2026198+2
Oct 14, 20261960
Oct 13, 2026196+4
Oct 09, 2026192No prior observation