VIX Index Spot Value Dissemination End Time Change

Wednesday, October 20, 2021

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


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



Current Dissemination End Time

New Dissemination End Time Effective 9/27/2021


CSMI Main Channel

16:15:00 ET

16:15:15 ET

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


Please contact Support@LiveVol.com with any questions.

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