In severe cases, the deformities can lead to spinal cord compression as well as breathing and lung ailments. THE SCHEUERMANN'S DISEASE FUNDâ¦â¦. is the first, and only, charity in the world created help those afflicted with Scheuermannâs Disease, or Scheuermannâs Kyphosis, as it is sometimes called.
The arbitrage opportunity happens when demand for the ETF increases or decreases the market price, or when liquidity concerns cause investors to redeem or demand the creation of additional ETF shares. At these times, price fluctuations between the ETF and its underlying assets cause mispricings.
The biggest driver of volatility is a drop in the market. There are simple leverage reasons why market drops cause volatility. But beyond that simple mechanism, following a drop in the market, volatility typically shoots way up for a time before it dampens down again.