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Contract OI history

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Jan 15, 2027 EXPIRATION

FOUR $35.00 Put

FOUR270115P00035000

Latest saved OI2,202Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
FOUR $35.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2,2131,1060 2026-10-02: 2,212 OI2026-10-05: 2,212 OI2026-10-06: 2,212 OI2026-10-07: 2,213 OI2026-10-08: 2,213 OI2026-10-09: 2,210 OI2026-10-13: 2,208 OI2026-10-14: 2,208 OI2026-10-15: 2,211 OI2026-10-16: 2,201 OI2026-10-21: 2,201 OI2026-10-23: 2,202 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, 2026Viewing2,202+1
Oct 21, 20262,2010
Oct 16, 20262,201-10
Oct 15, 20262,211+3
Oct 14, 20262,2080
Oct 13, 20262,208-2
Oct 09, 20262,210-3
Oct 08, 20262,2130
Oct 07, 20262,213+1
Oct 06, 20262,2120
Oct 05, 20262,2120
Oct 02, 20262,212No prior observation