The number and size of margin calls can contribute to stress in the financial system in extreme volatility.
Trading firms look to lighten up their balance sheets via capital optimization.
The fund is one of the world’s first physically settled Bitcoin ETFs and and will launch in Toronto.
Glauber was formerly NASD chairman and chief executive.
The exchange wants to meet the growing demand from sophisticated retail investors to trade smaller orders.
Aggregated direct exchange feeds allow trading firms to reduce their overall market data consumption.
Innovation in displayed markets is important as off-exchange volumes are rising.
Purpose Investments' ETF will be the first in the world to invest directly in physically settled Bitcoin.
Survey backed a ban on payment for order flow in the US markets.
