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Contract OI history

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Jan 15, 2027 EXPIRATION

FOUR $30.00 Put

FOUR270115P00030000

Latest saved OI379Oct 23, 2026
Last change-9vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
FOUR $30.00 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. 3931960 2026-10-02: 246 OI2026-10-05: 246 OI2026-10-06: 247 OI2026-10-07: 251 OI2026-10-08: 251 OI2026-10-09: 392 OI2026-10-13: 393 OI2026-10-14: 393 OI2026-10-15: 393 OI2026-10-16: 393 OI2026-10-21: 388 OI2026-10-23: 379 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, 2026Viewing379-9
Oct 21, 2026388-5
Oct 16, 20263930
Oct 15, 20263930
Oct 14, 20263930
Oct 13, 2026393+1
Oct 09, 2026392+141
Oct 08, 20262510
Oct 07, 2026251+4
Oct 06, 2026247+1
Oct 05, 20262460
Oct 02, 2026246No prior observation