OITracker Cboe delayed data

Contract OI history

Back to BTU

Oct 30, 2026 EXPIRATION

BTU $17.00 Put

BTU261030P00017000

Latest saved OI66Oct 23, 2026
Last change+21vs previous saved observation
Saved market days9Oct 07, 2026 onwards
Daily open interest Hover a point for its date and OI
BTU $17.00 put open interest history 9 saved observations from 2026-10-07 to 2026-10-23. Exact values and changes are listed in the table below. 66330 2026-10-07: 0 OI2026-10-08: 11 OI2026-10-09: 13 OI2026-10-13: 14 OI2026-10-14: 14 OI2026-10-15: 14 OI2026-10-16: 14 OI2026-10-20: 45 OI2026-10-23: 66 OI Oct 07, 2026Oct 23, 2026

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

BTU contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing66+21
Oct 20, 202645+31
Oct 16, 2026140
Oct 15, 2026140
Oct 14, 2026140
Oct 13, 202614+1
Oct 09, 202613+2
Oct 08, 202611+11
Oct 07, 20260No prior observation