OITracker Cboe delayed data

Contract OI history

Back to ERAS

Nov 20, 2026 EXPIRATION

ERAS $20.00 Call

ERAS261120C00020000

Latest saved OI571Oct 23, 2026
Last change+49vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ERAS $20.00 call open interest history 8 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 5712850 2026-10-08: 169 OI2026-10-09: 458 OI2026-10-13: 512 OI2026-10-14: 512 OI2026-10-15: 512 OI2026-10-16: 512 OI2026-10-21: 522 OI2026-10-23: 571 OI Oct 08, 2026Oct 23, 2026

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

ERAS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing571+49
Oct 21, 2026522+10
Oct 16, 20265120
Oct 15, 20265120
Oct 14, 20265120
Oct 13, 2026512+54
Oct 09, 2026458+289
Oct 08, 2026169No prior observation