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Contract OI history

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Dec 18, 2026 EXPIRATION

MAIR $50.00 Call

MAIR261218C00050000

Latest saved OI6,413Oct 23, 2026
Last change+2,301vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MAIR $50.00 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. 6,4133,2060 2026-10-02: 4,124 OI2026-10-05: 4,124 OI2026-10-06: 4,111 OI2026-10-07: 4,111 OI2026-10-08: 4,111 OI2026-10-09: 4,111 OI2026-10-13: 4,111 OI2026-10-14: 4,111 OI2026-10-16: 4,111 OI2026-10-20: 4,112 OI2026-10-23: 6,413 OI Oct 02, 2026Oct 23, 2026

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

MAIR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing6,413+2,301
Oct 20, 20264,112+1
Oct 16, 20264,1110
Oct 14, 20264,1110
Oct 13, 20264,1110
Oct 09, 20264,1110
Oct 08, 20264,1110
Oct 07, 20264,1110
Oct 06, 20264,111-13
Oct 05, 20264,1240
Oct 02, 20264,124No prior observation