OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

VAL $17.50 Put

VAL261218P00017500

Latest saved OI12Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VAL $17.50 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. 1260 2026-10-02: 12 OI2026-10-05: 12 OI2026-10-06: 12 OI2026-10-07: 12 OI2026-10-08: 12 OI2026-10-09: 12 OI2026-10-14: 12 OI2026-10-15: 12 OI2026-10-16: 12 OI2026-10-21: 12 OI2026-10-23: 12 OI Oct 02, 2026Oct 23, 2026

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

VAL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026120
Oct 21, 2026Viewing120
Oct 16, 2026120
Oct 15, 2026120
Oct 14, 2026120
Oct 09, 2026120
Oct 08, 2026120
Oct 07, 2026120
Oct 06, 2026120
Oct 05, 2026120
Oct 02, 202612No prior observation