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Contract OI history

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Jan 21, 2028 EXPIRATION

U $35.00 Put

U280121P00035000

Latest saved OI262Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
U $35.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2621310 2026-10-02: 239 OI2026-10-05: 239 OI2026-10-06: 239 OI2026-10-07: 239 OI2026-10-08: 239 OI2026-10-09: 249 OI2026-10-14: 249 OI2026-10-15: 249 OI2026-10-16: 262 OI2026-10-21: 262 OI2026-10-23: 262 OI Oct 02, 2026Oct 23, 2026

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

U contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2620
Oct 21, 20262620
Oct 16, 2026262+13
Oct 15, 20262490
Oct 14, 20262490
Oct 09, 2026249+10
Oct 08, 20262390
Oct 07, 20262390
Oct 06, 20262390
Oct 05, 20262390
Oct 02, 2026239No prior observation