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Contract OI history

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Sep 17, 2027 EXPIRATION

SNDK $820.00 Put

SNDK270917P00820000

Latest saved OI100Oct 23, 2026
Last change0vs 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. 100500 2026-10-09: 31 OI2026-10-13: 31 OI2026-10-14: 31 OI2026-10-15: 31 OI2026-10-16: 35 OI2026-10-21: 100 OI2026-10-23: 100 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, 2026Viewing1000
Oct 21, 2026100+65
Oct 16, 202635+4
Oct 15, 2026310
Oct 14, 2026310
Oct 13, 2026310
Oct 09, 202631No prior observation