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Contract OI history

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Jan 21, 2028 EXPIRATION

FOUR $75.00 Put

FOUR280121P00075000

Latest saved OI590Oct 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 $75.00 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. 5902950 2026-10-02: 583 OI2026-10-05: 583 OI2026-10-06: 583 OI2026-10-07: 583 OI2026-10-08: 583 OI2026-10-09: 583 OI2026-10-13: 583 OI2026-10-14: 583 OI2026-10-15: 585 OI2026-10-16: 590 OI2026-10-21: 590 OI2026-10-23: 590 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, 2026Viewing5900
Oct 21, 20265900
Oct 16, 2026590+5
Oct 15, 2026585+2
Oct 14, 20265830
Oct 13, 20265830
Oct 09, 20265830
Oct 08, 20265830
Oct 07, 20265830
Oct 06, 20265830
Oct 05, 20265830
Oct 02, 2026583No prior observation