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Contract OI history

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Jan 15, 2027 EXPIRATION

FLEX $55.00 Call

FLEX270115C00055000

Latest saved OI212Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FLEX $55.00 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. 2121060 2026-10-09: 210 OI2026-10-13: 210 OI2026-10-14: 210 OI2026-10-15: 210 OI2026-10-16: 212 OI2026-10-21: 212 OI2026-10-23: 212 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, 2026Viewing2120
Oct 21, 20262120
Oct 16, 2026212+2
Oct 15, 20262100
Oct 14, 20262100
Oct 13, 20262100
Oct 09, 2026210No prior observation