OITracker Cboe delayed data

Contract OI history

Back to CDE

Oct 23, 2026 EXPIRATION

CDE $17.50 Put

CDE261023P00017500

Latest saved OI40Oct 23, 2026
Last change-1,945vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CDE $17.50 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. 2,6201,3100 2026-10-02: 2,617 OI2026-10-05: 2,620 OI2026-10-06: 2,620 OI2026-10-07: 2,570 OI2026-10-08: 2,552 OI2026-10-09: 2,566 OI2026-10-13: 2,520 OI2026-10-14: 2,520 OI2026-10-15: 2,435 OI2026-10-16: 2,390 OI2026-10-21: 1,985 OI2026-10-23: 40 OI Oct 02, 2026Oct 23, 2026

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

CDE contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing40-1,945
Oct 21, 20261,985-405
Oct 16, 20262,390-45
Oct 15, 20262,435-85
Oct 14, 20262,5200
Oct 13, 20262,520-46
Oct 09, 20262,566+14
Oct 08, 20262,552-18
Oct 07, 20262,570-50
Oct 06, 20262,6200
Oct 05, 20262,620+3
Oct 02, 20262,617No prior observation