OITracker Cboe delayed data

Contract OI history

Back to TNK

May 21, 2027 EXPIRATION

TNK $115.00 Call

TNK270521C00115000

Latest saved OI1,032Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TNK $115.00 call open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,0325160 2026-10-02: 1,031 OI2026-10-05: 1,031 OI2026-10-06: 1,031 OI2026-10-07: 1,031 OI2026-10-08: 1,030 OI2026-10-13: 1,032 OI2026-10-14: 1,032 OI2026-10-16: 1,032 OI2026-10-20: 1,032 OI2026-10-23: 1,032 OI Oct 02, 2026Oct 23, 2026

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

TNK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,0320
Oct 20, 20261,0320
Oct 16, 20261,0320
Oct 14, 20261,0320
Oct 13, 20261,032+2
Oct 08, 20261,030-1
Oct 07, 20261,0310
Oct 06, 20261,0310
Oct 05, 20261,0310
Oct 02, 20261,031No prior observation