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Contract OI history

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Jan 21, 2028 EXPIRATION

FOUR $25.00 Call

FOUR280121C00025000

Latest saved OI260Oct 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 $25.00 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. 3201600 2026-10-02: 320 OI2026-10-05: 320 OI2026-10-06: 320 OI2026-10-07: 320 OI2026-10-08: 320 OI2026-10-09: 320 OI2026-10-13: 320 OI2026-10-14: 320 OI2026-10-15: 320 OI2026-10-16: 260 OI2026-10-21: 260 OI2026-10-23: 260 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, 2026Viewing2600
Oct 21, 20262600
Oct 16, 2026260-60
Oct 15, 20263200
Oct 14, 20263200
Oct 13, 20263200
Oct 09, 20263200
Oct 08, 20263200
Oct 07, 20263200
Oct 06, 20263200
Oct 05, 20263200
Oct 02, 2026320No prior observation