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Contract OI history

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Mar 19, 2027 EXPIRATION

MOS $27.50 Put

MOS270319P00027500

Latest saved OI1,033Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MOS $27.50 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. 1,0335160 2026-10-02: 1,014 OI2026-10-05: 1,014 OI2026-10-06: 1,014 OI2026-10-07: 1,014 OI2026-10-08: 1,033 OI2026-10-09: 1,033 OI2026-10-13: 1,033 OI2026-10-14: 1,033 OI2026-10-15: 1,033 OI2026-10-16: 1,033 OI2026-10-21: 1,033 OI2026-10-23: 1,033 OI Oct 02, 2026Oct 23, 2026

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

MOS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20261,0330
Oct 21, 2026Viewing1,0330
Oct 16, 20261,0330
Oct 15, 20261,0330
Oct 14, 20261,0330
Oct 13, 20261,0330
Oct 09, 20261,0330
Oct 08, 20261,033+19
Oct 07, 20261,0140
Oct 06, 20261,0140
Oct 05, 20261,0140
Oct 02, 20261,014No prior observation