Please be advised that due to the Cboe VIX spot calculation methodology change announced 9/22/2021 we will start including VIX data through 16:16:00 ET in the following DataShop products effective 9/27/2021:

• Equity, ETF & Index Quotes
• Equity, ETF & Index Trades
• Equity EOD Summary
• CSMI Index Quotes
• CSMI EOD Quotes
• VIX Index Values

Overview

Effective September 27, 2021, the Cboe Volatility Index (VIX) spot value dissemination end time will change.

If you are interested in specific details around the calculation methodology change, please review the Addendum 2 to the VIX White Paper linked below:

https://cdn.cboe.com/resources/vix/09.27.2021_Addendum_2_to_VIX_White_Paper.pdf

Please contact [email protected] with any questions.