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Contract OI history

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Nov 20, 2026 EXPIRATION

M $19.00 Put

M261120P00019000

Latest saved OI284Oct 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 $19.00 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. 2971480 2026-10-02: 294 OI2026-10-05: 294 OI2026-10-06: 294 OI2026-10-07: 294 OI2026-10-08: 294 OI2026-10-09: 297 OI2026-10-13: 297 OI2026-10-14: 297 OI2026-10-15: 297 OI2026-10-16: 285 OI2026-10-21: 285 OI2026-10-23: 284 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, 2026Viewing284-1
Oct 21, 20262850
Oct 16, 2026285-12
Oct 15, 20262970
Oct 14, 20262970
Oct 13, 20262970
Oct 09, 2026297+3
Oct 08, 20262940
Oct 07, 20262940
Oct 06, 20262940
Oct 05, 20262940
Oct 02, 2026294No prior observation