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Contract OI history

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Mar 19, 2027 EXPIRATION

CMCSA $19.00 Put

CMCSA270319P00019000

Latest saved OI321Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CMCSA $19.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3411700 2026-10-09: 318 OI2026-10-13: 339 OI2026-10-14: 339 OI2026-10-15: 341 OI2026-10-16: 340 OI2026-10-21: 321 OI2026-10-23: 321 OI Oct 09, 2026Oct 23, 2026

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

CMCSA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3210
Oct 21, 2026321-19
Oct 16, 2026340-1
Oct 15, 2026341+2
Oct 14, 20263390
Oct 13, 2026339+21
Oct 09, 2026318No prior observation