OITracker Cboe delayed data

Contract OI history

Back to EW

Dec 18, 2026 EXPIRATION

EW $77.50 Call

EW261218C00077500

Latest saved OI28Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
EW $77.50 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 28140 2026-10-02: 7 OI2026-10-05: 7 OI2026-10-06: 9 OI2026-10-07: 9 OI2026-10-08: 9 OI2026-10-09: 28 OI2026-10-13: 28 OI2026-10-14: 28 OI2026-10-15: 28 OI2026-10-16: 28 OI2026-10-21: 28 OI2026-10-23: 28 OI Oct 02, 2026Oct 23, 2026

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

EW contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing280
Oct 21, 2026280
Oct 16, 2026280
Oct 15, 2026280
Oct 14, 2026280
Oct 13, 2026280
Oct 09, 202628+19
Oct 08, 202690
Oct 07, 202690
Oct 06, 20269+2
Oct 05, 202670
Oct 02, 20267No prior observation