OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

EMR $150.00 Put

EMR270115P00150000

Latest saved OI578Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
EMR $150.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5782890 2026-10-02: 489 OI2026-10-05: 489 OI2026-10-06: 489 OI2026-10-07: 490 OI2026-10-08: 490 OI2026-10-09: 528 OI2026-10-13: 528 OI2026-10-14: 528 OI2026-10-15: 528 OI2026-10-16: 528 OI2026-10-21: 575 OI2026-10-23: 578 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, 2026Viewing578+3
Oct 21, 2026575+47
Oct 16, 20265280
Oct 15, 20265280
Oct 14, 20265280
Oct 13, 20265280
Oct 09, 2026528+38
Oct 08, 20264900
Oct 07, 2026490+1
Oct 06, 20264890
Oct 05, 20264890
Oct 02, 2026489No prior observation