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Contract OI history

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Dec 18, 2026 EXPIRATION

M $23.00 Put

M261218P00023000

Latest saved OI347Oct 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 $23.00 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. 3471730 2026-10-02: 228 OI2026-10-05: 228 OI2026-10-06: 228 OI2026-10-07: 240 OI2026-10-08: 240 OI2026-10-09: 240 OI2026-10-13: 252 OI2026-10-14: 252 OI2026-10-15: 322 OI2026-10-16: 347 OI2026-10-21: 346 OI2026-10-23: 347 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, 2026Viewing347+1
Oct 21, 2026346-1
Oct 16, 2026347+25
Oct 15, 2026322+70
Oct 14, 20262520
Oct 13, 2026252+12
Oct 09, 20262400
Oct 08, 20262400
Oct 07, 2026240+12
Oct 06, 20262280
Oct 05, 20262280
Oct 02, 2026228No prior observation