Data is updated bi-monthly (six times a year).
Current ESI Dataset
- Second Bi-monthly of 2026
- Data covers a 10-year and 4-month period: January 1, 2016 - April 30, 2026
ESI Data Update Schedule for the year 2026 and Beyond
The following schedule is an overview of upcoming ESI data releases through March 2027:
Release date and time are in USA EST time zone.
| ESI Updates | Coverage | Release Date* |
|---|---|---|
5th Bi-monthly 2025 |
2015 - October 2025 |
Thursday, January 8, 2026 |
6th Bi-monthly 2025 |
2015 - December 2025 |
Thursday, March 12, 2026 |
1st Bi-monthly 2026 |
2016 - February 2026 |
Thursday, May 14, 2026 |
2nd Bi-monthly 2026 |
2016 - April 2026 |
Thursday, July 9, 2026 |
3rd Bi-monthly 2026 |
2016 - June 2026 |
Thursday, September 10, 2026 |
4th Bi-monthly 2026 |
2016 - August 2026 |
Thursday, November 12, 2026 |
5th Bi-monthly 2026 |
2016 - October 2026 |
Thursday, January 14, 2027 |
6th Bi-monthly 2026 |
2016 - December 2026 |
Thursday, March 11, 2027 |
*Second Thursday of every other month; although we will adhere to these release dates throughout the year, we do reserve the right to change them due to unforeseen issues