The professional management of an investment portfolio of various securities (shares, bonds and other securities) in order to meet specified investment goals. The process includes the specification of investment objectives and constraints, choice of asset mix, formulation of portfolio strategy, ...

learn more… | top users | synonyms

6
votes
1answer
387 views

How can I simulate portfolio risk (diversification) with a 'Wheel of Fortune' like investment options/returns?

Say I have 6 possible investment options with the following probability of success and the corresponding returns: ...
2
votes
2answers
3k views

Calculating Portfolio Skewness & Kurtosis

I need to calculate the skewness and kurtosis of 2 asset portfolio, can someone please help me with the formulas and definition of terms? Thank you. I have been using the matrices method and I am not ...
6
votes
2answers
832 views

optimal re-balancing strategy with asynchronous alpha signal

You want to construct an optimal portfolio. Let's say you have an alpha signal that arrives with some period (say quarterly). The alpha signal predicts arithmetic returns one-year ahead. You have ...
6
votes
3answers
831 views

What position-sizing methods are used in futures trading?

Beyond optimal / partial f and a few other older methods, there's very little information out there for futures trading.
7
votes
2answers
426 views

How to shift amongst asset classes in response to relative value views?

I am designing an asset allocation strategy/fund which invests in four asset classes (via four independent sub-funds): Domestic equity International equity Domestic fixed income Foreign currencies ...
6
votes
3answers
385 views

Should the average investor hold commodities as part of a broadly diversified portfolio?

Many mutual funds sell "asset allocation" products which include appropriately sized investments in a variety of asset classes meant for a prototypical investor. Some of these, such as PIMCO, even ...
9
votes
3answers
2k views

How do I calculate the skewness of a portfolio of assets?

I need to calculate the skewness of a portfolio consisting of 6 assets. I know that for that I would need the co-skewness matrix between the assets. Does anybody know the formula for co-skewness or ...
2
votes
1answer
199 views

How to quantify the impact of management cost on return?

Suppose funds X and Y are the same but X has 0.25% higher management cost. Suppose we are analyzing a 2 year interval. The simple models with discrete/continuous interval -assumptions are not really ...
7
votes
2answers
2k views

robust portfolio optimization re-balancing with transaction costs

The optimal re-balancing strategy takes account of factors including i) objective function, ii) current portfolio weights, iii) expected return vector containing updated views/alpha forecasts, iv) ...
16
votes
2answers
779 views

Diversification, Rebalancing and Different Means

I have found many financial authors making generalizations about GM and AM but they are wrong in certain circumstances. Could someone explain their reasoning? My fact why they are wrong is based ...
8
votes
3answers
754 views

Alternate money management strategies to Kelly?

Other than Kelly (or fractional derivatives), are there other money management strategies in wide use among quant funds? Certainly Kelly is mathematically optimal, but perhaps there are other ...
19
votes
6answers
6k views

What type of investor is willing to be short gamma?

As far as I understand, most investors are willing to buy options (puts and calls) in order to limit their exposure to the market in case it moves against them. This is due to the fact that they are ...
9
votes
1answer
284 views

penalizing negative skewness by linking $U(\mu)$ and $U(\Sigma)$

Consider $U_1(\mu,\Sigma)$ and $U_2(\mu,\Sigma)$, where $U_1(\mu, \cdot) = U_2(\mu, \cdot)$, $U_1(\cdot, \Sigma) = U_2(\cdot, \Sigma)$ such that \begin{equation*} arg\inf\limits_{\mu \in U_1(\mu, ...
11
votes
3answers
1k views

Role of skewness in portfolio optimization?

What is the role of skewness in portfolio optimization?
4
votes
1answer
561 views

Quant PMs need to know the following… [closed]

To the degree in which it's possible, I'd like to know what the community believes are the objective skills/knowledge required to run a successful Quant book. I'm not interested in strategies, ...