Daily Archives: Wednesday, June 28, 2023 4:45pm

File: Frequency: Quarterly average, using Weekly, Ending Friday data. File Type: CSV Unique IDs: 135 Starting Period End Date: 1990-01-31 Last Period End Date: 2023-07-31 Details Index, Not Seasonally Adjusted Dates in ‘YYYY-MM-DD’ format. Source: Chicago Board Options Exchange