Bloomberg Opinion columnist Barry Ritholtz speaks with Sandy Rattray, who co-invented the VIX index and is chief investment officer at Man Group, which has more than $125 billion in assets under management. Rattray is also co-author of the recent book "Strategic Risk Management: Designing Portfolios and Managing Risk."

The Intersection of Science and Finance with CFM's Jean-Philippe Bouchaud
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At The Money: Tax Day Special
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Assessing Asset Volatility and Iran War Threats With BlackRock's Mike Pyle
1:04:19