OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

MRTN $15.00 Call

MRTN261120C00015000

Latest saved OI634Oct 23, 2026
Last change-4vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MRTN $15.00 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. 6383190 2026-10-09: 211 OI2026-10-13: 350 OI2026-10-14: 404 OI2026-10-15: 412 OI2026-10-20: 638 OI2026-10-23: 634 OI Oct 09, 2026Oct 23, 2026

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

MRTN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026634-4
Oct 20, 2026Viewing638+226
Oct 15, 2026412+8
Oct 14, 2026404+54
Oct 13, 2026350+139
Oct 09, 2026211No prior observation