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Contract OI history

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Oct 23, 2026 EXPIRATION

M $20.00 Put

M261023P00020000

Latest saved OI18Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
M $20.00 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. 1890 2026-10-02: 7 OI2026-10-05: 11 OI2026-10-06: 16 OI2026-10-07: 16 OI2026-10-08: 16 OI2026-10-09: 16 OI2026-10-13: 16 OI2026-10-14: 16 OI2026-10-15: 18 OI2026-10-16: 18 OI2026-10-21: 18 OI2026-10-23: 18 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, 2026Viewing180
Oct 21, 2026180
Oct 16, 2026180
Oct 15, 202618+2
Oct 14, 2026160
Oct 13, 2026160
Oct 09, 2026160
Oct 08, 2026160
Oct 07, 2026160
Oct 06, 202616+5
Oct 05, 202611+4
Oct 02, 20267No prior observation