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Contract OI history

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Nov 20, 2026 EXPIRATION

FLEX $80.00 Put

FLEX261120P00080000

Latest saved OI338Oct 23, 2026
Last change+97vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FLEX $80.00 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. 3591790 2026-10-09: 322 OI2026-10-13: 322 OI2026-10-14: 355 OI2026-10-15: 359 OI2026-10-16: 304 OI2026-10-21: 241 OI2026-10-23: 338 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, 2026Viewing338+97
Oct 21, 2026241-63
Oct 16, 2026304-55
Oct 15, 2026359+4
Oct 14, 2026355+33
Oct 13, 20263220
Oct 09, 2026322No prior observation