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Contract OI history

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Dec 18, 2026 EXPIRATION

META $640.00 Put

META261218P00640000

Latest saved OI4,849Oct 23, 2026
Last change+1,128vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
META $640.00 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. 4,8492,4240 2026-10-09: 1,677 OI2026-10-13: 1,598 OI2026-10-14: 1,598 OI2026-10-15: 1,610 OI2026-10-16: 1,609 OI2026-10-21: 3,721 OI2026-10-23: 4,849 OI Oct 09, 2026Oct 23, 2026

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

META contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing4,849+1,128
Oct 21, 20263,721+2,112
Oct 16, 20261,609-1
Oct 15, 20261,610+12
Oct 14, 20261,5980
Oct 13, 20261,598-79
Oct 09, 20261,677No prior observation