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Contract OI history

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Dec 18, 2026 EXPIRATION

MAIR $40.00 Call

MAIR261218C00040000

Latest saved OI125Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MAIR $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. 126630 2026-10-02: 126 OI2026-10-05: 126 OI2026-10-06: 126 OI2026-10-07: 126 OI2026-10-08: 126 OI2026-10-09: 126 OI2026-10-13: 126 OI2026-10-14: 126 OI2026-10-16: 126 OI2026-10-20: 125 OI2026-10-23: 125 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, 2026Viewing1250
Oct 20, 2026125-1
Oct 16, 20261260
Oct 14, 20261260
Oct 13, 20261260
Oct 09, 20261260
Oct 08, 20261260
Oct 07, 20261260
Oct 06, 20261260
Oct 05, 20261260
Oct 02, 2026126No prior observation