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Contract OI history

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Jan 15, 2027 EXPIRATION

MITK $17.50 Put

MITK270115P00017500

Latest saved OI295Oct 23, 2026
Last change+12vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MITK $17.50 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2951470 2026-10-09: 254 OI2026-10-13: 254 OI2026-10-14: 256 OI2026-10-15: 286 OI2026-10-21: 283 OI2026-10-23: 295 OI Oct 09, 2026Oct 23, 2026

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

MITK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing295+12
Oct 21, 2026283-3
Oct 15, 2026286+30
Oct 14, 2026256+2
Oct 13, 20262540
Oct 09, 2026254No prior observation