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Contract OI history

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Nov 20, 2026 EXPIRATION

FLEX $100.00 Put

FLEX261120P00100000

Latest saved OI863Oct 23, 2026
Last change-37vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FLEX $100.00 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. 9104550 2026-10-09: 829 OI2026-10-13: 857 OI2026-10-14: 871 OI2026-10-15: 886 OI2026-10-16: 910 OI2026-10-21: 900 OI2026-10-23: 863 OI Oct 09, 2026Oct 23, 2026

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

FLEX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing863-37
Oct 21, 2026900-10
Oct 16, 2026910+24
Oct 15, 2026886+15
Oct 14, 2026871+14
Oct 13, 2026857+28
Oct 09, 2026829No prior observation