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Contract OI history

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Jan 15, 2027 EXPIRATION

MAS $65.00 Put

MAS270115P00065000

Latest saved OI2,116Oct 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 $65.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2,1161,0580 2026-10-02: 2,091 OI2026-10-05: 2,091 OI2026-10-06: 2,092 OI2026-10-07: 2,092 OI2026-10-08: 2,092 OI2026-10-09: 2,092 OI2026-10-13: 2,092 OI2026-10-14: 2,092 OI2026-10-15: 2,092 OI2026-10-16: 2,092 OI2026-10-21: 2,116 OI2026-10-23: 2,116 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, 2026Viewing2,1160
Oct 21, 20262,116+24
Oct 16, 20262,0920
Oct 15, 20262,0920
Oct 14, 20262,0920
Oct 13, 20262,0920
Oct 09, 20262,0920
Oct 08, 20262,0920
Oct 07, 20262,0920
Oct 06, 20262,092+1
Oct 05, 20262,0910
Oct 02, 20262,091No prior observation