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Contract OI history

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Jan 15, 2027 EXPIRATION

M $18.00 Put

M270115P00018000

Latest saved OI195Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
M $18.00 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. 2031010 2026-10-02: 203 OI2026-10-05: 203 OI2026-10-06: 203 OI2026-10-07: 203 OI2026-10-08: 203 OI2026-10-09: 203 OI2026-10-13: 203 OI2026-10-14: 203 OI2026-10-15: 203 OI2026-10-16: 195 OI2026-10-21: 196 OI2026-10-23: 195 OI Oct 02, 2026Oct 23, 2026

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

M contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing195-1
Oct 21, 2026196+1
Oct 16, 2026195-8
Oct 15, 20262030
Oct 14, 20262030
Oct 13, 20262030
Oct 09, 20262030
Oct 08, 20262030
Oct 07, 20262030
Oct 06, 20262030
Oct 05, 20262030
Oct 02, 2026203No prior observation