US equity options and single stock futures (SSF) exchanges have begun to make progress in their push for margin method changes that would lower margins and improve use of capital.
At the forefront of the changes will be portfolio margining; stock, options and futures markets have been pushing for years for greater use of the margining methodology, which can lower margins dramatically.
Equity and options markets scored a victory of sorts in recent weeks when portfolio margining for broad-based indices was approved by regulators.
The proposals from Chicago Board Options Exchange (CBOE) and New York Stock Exchange (NYSE) also...