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Contract OI history

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Nov 20, 2026 EXPIRATION

FLEX $135.00 Call

FLEX261120C00135000

Latest saved OI338Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FLEX $135.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3571780 2026-10-09: 194 OI2026-10-13: 206 OI2026-10-14: 198 OI2026-10-15: 357 OI2026-10-16: 357 OI2026-10-21: 337 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+1
Oct 21, 2026337-20
Oct 16, 20263570
Oct 15, 2026357+159
Oct 14, 2026198-8
Oct 13, 2026206+12
Oct 09, 2026194No prior observation