OITracker Cboe delayed data

Contract OI history

Back to MAMA

Jan 15, 2027 EXPIRATION

MAMA $15.00 Call

MAMA270115C00015000

Latest saved OI327Oct 23, 2026
Last change+30vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
MAMA $15.00 call open interest history 6 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 3271630 2026-10-08: 258 OI2026-10-13: 257 OI2026-10-14: 297 OI2026-10-16: 297 OI2026-10-20: 297 OI2026-10-23: 327 OI Oct 08, 2026Oct 23, 2026

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

MAMA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing327+30
Oct 20, 20262970
Oct 16, 20262970
Oct 14, 2026297+40
Oct 13, 2026257-1
Oct 08, 2026258No prior observation