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Contract OI history

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May 21, 2027 EXPIRATION

FOA $17.50 Call

FOA270521C00017500

Latest saved OI224Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
FOA $17.50 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2241120 2026-10-02: 1 OI2026-10-05: 1 OI2026-10-06: 1 OI2026-10-07: 110 OI2026-10-08: 160 OI2026-10-09: 190 OI2026-10-13: 190 OI2026-10-14: 190 OI2026-10-16: 224 OI2026-10-20: 224 OI2026-10-23: 224 OI Oct 02, 2026Oct 23, 2026

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

FOA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2240
Oct 20, 20262240
Oct 16, 2026224+34
Oct 14, 20261900
Oct 13, 20261900
Oct 09, 2026190+30
Oct 08, 2026160+50
Oct 07, 2026110+109
Oct 06, 202610
Oct 05, 202610
Oct 02, 20261No prior observation