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Contract OI history

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Nov 20, 2026 EXPIRATION

MA $645.00 Call

MA261120C00645000

Latest saved OI2,066Oct 23, 2026
Last change-6vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MA $645.00 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. 2,0721,0360 2026-10-02: 121 OI2026-10-05: 121 OI2026-10-06: 121 OI2026-10-07: 141 OI2026-10-08: 141 OI2026-10-09: 141 OI2026-10-13: 271 OI2026-10-14: 271 OI2026-10-15: 281 OI2026-10-16: 292 OI2026-10-21: 2,072 OI2026-10-23: 2,066 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, 2026Viewing2,066-6
Oct 21, 20262,072+1,780
Oct 16, 2026292+11
Oct 15, 2026281+10
Oct 14, 20262710
Oct 13, 2026271+130
Oct 09, 20261410
Oct 08, 20261410
Oct 07, 2026141+20
Oct 06, 20261210
Oct 05, 20261210
Oct 02, 2026121No prior observation