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Contract OI history

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Jan 15, 2027 EXPIRATION

MDA $40.00 Call

MDA270115C00040000

Latest saved OI136Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MDA $40.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 137680 2026-10-02: 118 OI2026-10-05: 118 OI2026-10-06: 137 OI2026-10-07: 137 OI2026-10-08: 137 OI2026-10-13: 137 OI2026-10-14: 137 OI2026-10-15: 137 OI2026-10-16: 137 OI2026-10-20: 136 OI2026-10-23: 136 OI Oct 02, 2026Oct 23, 2026

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

MDA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20261360
Oct 20, 2026Viewing136-1
Oct 16, 20261370
Oct 15, 20261370
Oct 14, 20261370
Oct 13, 20261370
Oct 08, 20261370
Oct 07, 20261370
Oct 06, 2026137+19
Oct 05, 20261180
Oct 02, 2026118No prior observation