OITracker Cboe delayed data

Contract OI history

Back to WK

Jan 15, 2027 EXPIRATION

WK $30.00 Put

WK270115P00030000

Latest saved OI19Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WK $30.00 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. 1990 2026-10-02: 9 OI2026-10-05: 9 OI2026-10-06: 9 OI2026-10-07: 9 OI2026-10-08: 19 OI2026-10-09: 19 OI2026-10-13: 19 OI2026-10-14: 19 OI2026-10-15: 19 OI2026-10-20: 19 OI2026-10-23: 19 OI Oct 02, 2026Oct 23, 2026

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

WK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026190
Oct 20, 2026Viewing190
Oct 15, 2026190
Oct 14, 2026190
Oct 13, 2026190
Oct 09, 2026190
Oct 08, 202619+10
Oct 07, 202690
Oct 06, 202690
Oct 05, 202690
Oct 02, 20269No prior observation