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Contract OI history

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May 21, 2027 EXPIRATION

MITK $17.50 Call

MITK270521C00017500

Latest saved OI285Oct 23, 2026
Last change+33vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MITK $17.50 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2851420 2026-10-09: 264 OI2026-10-13: 255 OI2026-10-14: 263 OI2026-10-15: 269 OI2026-10-21: 252 OI2026-10-23: 285 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, 2026Viewing285+33
Oct 21, 2026252-17
Oct 15, 2026269+6
Oct 14, 2026263+8
Oct 13, 2026255-9
Oct 09, 2026264No prior observation