If the market value of stock held as collateral increases after you have met the initial margin requirement, your available credit may increase. (capitaloneinvesting.com)
Risks involved with futures contracts include imperfect correlation between the change in the market value of the stocks held by the portfolio and the prices of futures contracts and options, and the possible lack of a liquid secondary market for futures or options contracts, and the resulting inability to close a futures contract prior to its maturity date. (us.axa.com)
While the average value of stocks held by families has soared, there is an alarming countertrend: the percentage of families that actually own stocks has been shrinking since 2001: (visualcapitalist.com)