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Contract OI history

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Dec 18, 2026 EXPIRATION

MA $660.00 Call

MA261218C00660000

Latest saved OI343Oct 23, 2026
Last change+5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MA $660.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3591790 2026-10-02: 272 OI2026-10-05: 272 OI2026-10-06: 272 OI2026-10-07: 272 OI2026-10-08: 272 OI2026-10-09: 294 OI2026-10-13: 327 OI2026-10-14: 327 OI2026-10-15: 354 OI2026-10-16: 359 OI2026-10-21: 338 OI2026-10-23: 343 OI Oct 02, 2026Oct 23, 2026

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

MA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing343+5
Oct 21, 2026338-21
Oct 16, 2026359+5
Oct 15, 2026354+27
Oct 14, 20263270
Oct 13, 2026327+33
Oct 09, 2026294+22
Oct 08, 20262720
Oct 07, 20262720
Oct 06, 20262720
Oct 05, 20262720
Oct 02, 2026272No prior observation