OITracker Cboe delayed data

Contract OI history

Back to HE

Mar 19, 2027 EXPIRATION

HE $12.50 Call

HE270319C00012500

Latest saved OI483Oct 21, 2026
Last change+100vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HE $12.50 call open interest history 10 saved observations from 2026-10-02 to 2026-10-21. Exact values and changes are listed in the table below. 4832410 2026-10-02: 364 OI2026-10-05: 364 OI2026-10-06: 368 OI2026-10-07: 369 OI2026-10-08: 369 OI2026-10-09: 369 OI2026-10-13: 376 OI2026-10-14: 377 OI2026-10-16: 383 OI2026-10-21: 483 OI Oct 02, 2026Oct 21, 2026

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

HE contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 21, 2026Viewing483+100
Oct 16, 2026383+6
Oct 14, 2026377+1
Oct 13, 2026376+7
Oct 09, 20263690
Oct 08, 20263690
Oct 07, 2026369+1
Oct 06, 2026368+4
Oct 05, 20263640
Oct 02, 2026364No prior observation