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Contract OI history

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Nov 20, 2026 EXPIRATION

MITK $17.50 Put

MITK261120P00017500

Latest saved OI257Oct 23, 2026
Last change-27vs 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. 3131560 2026-10-09: 195 OI2026-10-13: 206 OI2026-10-14: 313 OI2026-10-15: 284 OI2026-10-21: 284 OI2026-10-23: 257 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, 2026Viewing257-27
Oct 21, 20262840
Oct 15, 2026284-29
Oct 14, 2026313+107
Oct 13, 2026206+11
Oct 09, 2026195No prior observation