VIX Faces Probes With Controversial Auction at Issue

  • SEC, CFTC are said to examine benchmark of market volatility
  • The monthly futures settlements have caught traders’ eyes
Is the VIX Rigged?
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Allegations that Cboe Global Markets Inc.’s widely used VIX benchmark is being manipulated have drawn attention from regulators.

The nation’s top two markets watchdogs -- the U.S. Securities and Exchange Commission and the Commodity Futures Trading Commission -- opened investigations into the gauge of stock market volatility, according to people familiar with the matter.