OITracker Cboe delayed data

Contract OI history

Back to EMR

Oct 30, 2026 EXPIRATION

EMR $170.00 Call

EMR261030C00170000

Latest saved OI757Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
EMR $170.00 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. 7573780 2026-10-02: 374 OI2026-10-05: 378 OI2026-10-06: 379 OI2026-10-07: 379 OI2026-10-08: 379 OI2026-10-09: 377 OI2026-10-13: 375 OI2026-10-14: 376 OI2026-10-15: 380 OI2026-10-16: 380 OI2026-10-21: 756 OI2026-10-23: 757 OI Oct 02, 2026Oct 23, 2026

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

EMR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing757+1
Oct 21, 2026756+376
Oct 16, 20263800
Oct 15, 2026380+4
Oct 14, 2026376+1
Oct 13, 2026375-2
Oct 09, 2026377-2
Oct 08, 20263790
Oct 07, 20263790
Oct 06, 2026379+1
Oct 05, 2026378+4
Oct 02, 2026374No prior observation