# All Questions

53 views

### In investing, the crowd is wrong much more often than right

I am reading Ken Fisher's Beat the Crowd, and the second sentence in the book is this: In investing, the crowd is wrong much more often than right. I was wondering if there is a way to define ...
58 views

### Hull White Stochastic Volatility Model in Matlab

I'm trying to code the Hull White stochastic volatility model using matlab and somewhere my code seems to mess up. I've coded the SABR model as well and that's working fine. When I compare prices ...
24 views

### Interpretation of Skew and Kurtoisis - strategy backtesting

I am working on my dissertation and i would like to provide a nice interpretation of two tables which i will present below. I have 10 portfolio buckets which i sort on 6 different attributes. One of ...
24 views

### Difference between Risk Transfer and Risk Sharing

There seems to be a thin line between risk transfer and risk sharing. Can someone explain with example how can this be differentiated?
24 views

### FIX/FAST to SQL table

I have FIX/FAST data in CSV format. Sample: 1128=9|9=131|35=f|49=CME|34=5369745|52=20160314214500017847063|60=20160314214500001317818|75=20160315..... I need to transfer information into SQL table ...
296 views

### How can we have negative probabilities in finance? Can we have negative payments in bonds? If not, how else can we have negative probabilities?

In Half of a Coin: Negative Probabilities, the author mentions bond duration. Suppose we have payments at times $t = 1,2,...,n$ denoted respectively by $R_1, R_2, ..., R_n$ and the discount factor is ...
54 views

### Initial/Boundary Conditions for a Butterfly Option?

What are the initial and boundary conditions for a Butterfly Option? I want to write up a PDE program for it and I have a rough idea of what the payoff should be (is it just a call and a put at the ...
26 views

### How do you call this order matching process in trading?

for example, in the order book ASK side has this orders (price/qty): 20000@2000 20500@400 and trader sends FOK: 50000@2100 (price/qty). it can be two scenarios here: 1) FOK can take 2000 from the ...
37 views

### Volatility of the adjusted prices mean reversion

When computing the volatility on the adjusted stocks' prices, would the resulting volatility be mean-reverting? I believe that the volatility of the log returns is mean reverting, but I am not certain ...
41 views

### Including a score or a rank in portfolio-optimization

I have gathered a lot of experience using min-var optimization of the form $$w' \Sigma w \rightarrow Min,$$ where $w$ are the weights of the assets and $\Sigma$ is the covariance matrix. Of course ...
93 views

### stochastic interest rate $r_t=x_t+y_t$

Let $$dr_t=(\alpha(t)-\beta r_t)dt+\sigma dW_t$$ where $\alpha$ is non stochastic process and $\beta$ and $\sigma$ are constant. Can we write process $r_t$ in the form $$r_t=x_t+y_t$$ where the ...
45 views

### s&p500 companies value vs growth

I was thinking of examining how the constituent companies of the s&p500 are affected by sentiment in crises. Is there any way to download stock prices for all the companies? Moreover how can I ...
31 views

### Outlier detection via TSO and errors help [duplicate]

I'm trying to detect outliers within a financial time series which represents the ratio of cash distributions to equity holders as a percentage operating earnings for the period. Visual inspection ...
39 views

### Pricing of dual-currency bonds

I am dealing with dual-currency bonds, i.e. bonds whose coupon payments are made in a currency and the notional in another. I am wondering about the discount factor I should use to price such ...
99 views

34 views

### Find/Identify historical bonds in Bloomberg/Datastream via stock ISIN,CUSIP,SEDOL

I have several thousand company identifyers and one historical event date for each company for an event study. My problem is that I want to get all bonds which were active at this individual date for ...
18 views

### Test for significant differences between two insignificant means?

I have made 2 portfolios for which I tested whether it was possible to realize excess returns. For both portfolios, I find that no excess returns are to be realized: the t-statistic is usually around ...
60 views

### Why do two perfectly negatively correlated assets not return 0%? [closed]

So, per the title, why would a combination of two risky assets that have the same exact expected return and standard deviation while being perfectly negatively correlated not return 0%? Why do you ...
18 views

### semiannual bond equivalent yield spot rates

I can't seem to find the answer to this question anywhere. This is for CFA study purposes. Semiannual bond equivalent yield spot rates...how do I know if they are annualised or not? I just saw an ...
72 views

### Why buy/sell a forward starting option?

More precisely, in equity markets, why would one prefer to buy a forward starting option over a vanilla option ? What about the selling side ?
31 views

### What do you call a group consisting of stocks, etfs, and futures?

In the command line interface to my program, the user can create a basket of stocks, etfs, or futures by saying: basket = stocks basket = etfs basket = futures basket = options But I ...
27 views

### Negative probabilities - what are the two ordinary pgfs that correspond to the gf of a half-coin?

In Half of a Coin: Negative Probabilities, author considers pgf of a fair coin represented by random variable, $X = 1_H$: G_X(z) = E[z^X] = \sum_{x=0,1} z^xP(X=x) = (z^0)(1/2) + (z^1)(1/2) = \frac{...
52 views

### Calculating weekly portfolio returns for portfolios sorted by volatility

I am having some issues with finding the right code in STATA for sorting the data into portfolios by historical volatility (standard deviation) of returns and then calculating portfolio returns and ...
23 views

### Obtain historical quotes programmatically

What do people use to get all the historical daily quotes (high, low, open, close) for all the stocks traded on an exchange during a period of time? So, suppose I want this info for all stocks traded ...