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Contract OI history

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Sep 17, 2027 EXPIRATION

SNDK $1000.00 Put

SNDK270917P01000000

Latest saved OI307Oct 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 $1000.00 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. 3071530 2026-10-09: 242 OI2026-10-13: 254 OI2026-10-14: 254 OI2026-10-15: 304 OI2026-10-16: 306 OI2026-10-21: 306 OI2026-10-23: 307 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, 2026Viewing307+1
Oct 21, 20263060
Oct 16, 2026306+2
Oct 15, 2026304+50
Oct 14, 20262540
Oct 13, 2026254+12
Oct 09, 2026242No prior observation