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Contract OI history

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Dec 15, 2028 EXPIRATION

FOUR $20.00 Call

FOUR281215C00020000

Latest saved OI165Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
FOUR $20.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 165820 2026-10-02: 108 OI2026-10-05: 108 OI2026-10-06: 108 OI2026-10-07: 108 OI2026-10-08: 108 OI2026-10-09: 108 OI2026-10-13: 149 OI2026-10-14: 149 OI2026-10-15: 149 OI2026-10-16: 149 OI2026-10-21: 165 OI2026-10-23: 165 OI Oct 02, 2026Oct 23, 2026

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

FOUR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1650
Oct 21, 2026165+16
Oct 16, 20261490
Oct 15, 20261490
Oct 14, 20261490
Oct 13, 2026149+41
Oct 09, 20261080
Oct 08, 20261080
Oct 07, 20261080
Oct 06, 20261080
Oct 05, 20261080
Oct 02, 2026108No prior observation