The Black-Litterman model is the mad-scientist creation of two Goldman Sachs dudes, combining three things: 1. the modern portfolio theory (basically: having a balanced portfolio that protects you from too much risk while still maximizing returns), 2. the capital asset pricing model (bases pricing of investments on risk-level and time invested), and 3. the mean-variance optimization theory (maximizing your portfolio for the be$t return$).
Say what now?
Basically, the Black-Litterman model helped portfolio managers solve the balancing-act problem many of them had, allowing them to produce a reasonable estimate of expected returns within a balanced portfolio that’s also optimized for maximum money-making.
It’s a tool that gave them the best of both worlds (balanced portfolio and risk/time-based pricing of investments).
Make it rain, boys.
Related or Semi-related Video
Finance: What is program trading?15 Views
Finance a la shmoop what is program trading? okay well watch two episodes of
Big Bang Theory if you first watch one episode of Keeping Up with the [Man and woman watching TV]
Kardashians deal alright no different kind of program trading, program trades
in a Wall Street sense are run by a computer program, hence the catchy name
and it's also called the black box like a program kicks out that if the S&P 500
is down 0.3 percent in an hour and the US dollar has risen relative to the
pound and goog is outperforming the tech index and the moon is in the seventh
house and Jupiter is aligned with Mars then short a million shares of GE like
that would be something that the box would tell you or something like that
and there are a ton of weird mathy things behind the rationale for each of [Math formulas appear]
these trades some of it makes sense to normal people but most of it needs three
PhDs in math and physics and other stuff to translate rationally
well the dangerous thing here about program trades is that usually there is
no human involved when they execute a trade that is it's just computers
talking to other computers but thankfully computers never have glitches [Computer chip blowing off steam]
right they never have mistakes and things generally always run smoothly
when computers are involved right well this is a really smart way to manage
your retirement money just give it all to a black box and assume the guys who
wrote the algorithm knew what they were doing or maybe not [Hacker using a PC]
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