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Contract OI history

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Jan 15, 2027 EXPIRATION

MAS $80.00 Call

MAS270115C00080000

Latest saved OI2,296Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MAS $80.00 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. 2,2961,1480 2026-10-02: 286 OI2026-10-05: 286 OI2026-10-06: 288 OI2026-10-07: 288 OI2026-10-08: 288 OI2026-10-09: 288 OI2026-10-13: 290 OI2026-10-14: 290 OI2026-10-15: 290 OI2026-10-16: 292 OI2026-10-21: 2,296 OI2026-10-23: 2,296 OI Oct 02, 2026Oct 23, 2026

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

MAS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,2960
Oct 21, 20262,296+2,004
Oct 16, 2026292+2
Oct 15, 20262900
Oct 14, 20262900
Oct 13, 2026290+2
Oct 09, 20262880
Oct 08, 20262880
Oct 07, 20262880
Oct 06, 2026288+2
Oct 05, 20262860
Oct 02, 2026286No prior observation