# All Questions

486 views

### Min VaR and Min TE as second order cone program

The quadratic optimization (min variance) $$w^{T} \Sigma w \rightarrow \text{min},$$ where $w$ is the vector of portfolio weights and $\Sigma$ is the covariance matrix of asset returns, is a well ...
417 views

### Forcing price to rise or fall by high volume buying and shorting

Is there an a name for the approach / strategy to artificially move a price either up or down by high volume buying or shorting. ie. Buying a large (say 5%) of a stock very quickly, thus ...
204 views

### What does it mean by “labor taxes cut is self-financed”?

I'm reading "Principle of Economics" by Mankiw. In Part III Market and Welfare, Ch 8 "Application: the costs of taxation", it says: Only 32% of a cut in U.S. labor taxes would be self-financed, the ...
342 views

### Given monthly returns of 10-Year Govt Bond, how to get monthly risk free rate of return

I have a list of monthly returns of a 10 year Govt Bond. I am not sure if this is a good proxy for the monthly risk free rate of return. Can somebody suggest how I can derive the monthly risk free ...
852 views

### How to use a realized kernel?

I've read that realized kernels are the thing to use for calculating daily volatility from high-frequency data. So I've got minute data, how do I actually use such a kernel? Will it give me minute-ly ...
73 views

### Problems to understand a stochastic DGL equality

currently I am reading a paper called "Portfolio optimisation under non-linear drawdown constraints in a semimartingale financial model" for self-study reasons. The paper can be found here: http://...
197 views

### Quotes and Transactions Streams from Exchange

I have possibility of taking 2 types of real time streams from some exchange: bid-ask quotes (fresh quotes from order book) transaction log (transactions matched by exchange) I'm curious what ...
594 views

### How to manage evaluation date changes in QuantLib while using ImpliedTermStructure Class

I will not attach the whole code 'cause it would be just a huge waste of space and it would be not useful for this question's purpose. What I am going to attach here is a snippet code and its output, ...
296 views

### Does Matlab support exogenous variables in GARCH models?

Is it possible to introduce dummy variables or explanatory variables in the GARCH variance equation (garchset and garchfit) in ...
3k views

### open-source implementation of orderbook from FAST?

I'm looking for c/c++ implementation of OrderBook. I need implementation to reconstruct market data from FAST. I don't need to do "matching" because it already did by exchange, I only need to "...
320 views

### Which measure to determine Risk?

Say I hold an equity and I want to calculate the Value-at-Risk over some period. Would one calculate the Value-at-Risk of the equity under a risk-neutral (as in martingale) measure or under the ...
78 views

### OF-B1 report - cell A1

Pretty basic question - what is the SIGN that should be used in cell A1 of the EIOPA Solvency II OF-B1 report? So should share capital be displayed with a positive or negative value? CP-13 extract: ...
228 views

### Distinguish between market makers and other participants?

Are there any known quantitative techniques to distinguish between market makers and other participants? I manually MFT, have no knowledge of these specialties, and may be observing phenomena that ...
631 views

### Maximum Likelihood using a Kalman filter for two factor model

I'm trying to implement a Kalman Filter for the parameter estimation of a linear gaussian two factor model in Matlab. (Schwartz Smith model for commodity prices) In other words: I try to compute the ...
240 views

### Itô diffusion processes in finance with unknown distribution at a terminal value

In several papers it is argued that for many Itô diffusion processes, $$dX_t = a(t,X_t)dt+b(t,X_t)dB_t,$$ in mathematical finance the distribution of $X_T$ for fixed $T>0$ is unknown, which makes ...
798 views

139 views

### A basic question about market jargon

What does it mean by DBR 4s of Jan4, 2037? I know the Jan4, 2037 is the maturity. How about DBR and 4s?
83 views

### Get discount factors with limited knowledge?

I am facing the problem of just having this information: 6% coupon bond with 2.5 years to maturity, traded at a 100% clean price 4% coupon bond with 1.5 years to maturity, traded at a 98% clean price ...
190 views

### Potential pitfalls in the use of correlation

Background: The red line is an index, which goes from 0 to 100, measuring uncertainty in the markets. The dark blue line is a price index, which has a lower bound at 0, and virtually no upper bound. ...
60 views

### Why is the discount function non increasing if pure cash holdings are feasible?

I am struggeling with the question, for example lets take a swap with rate of 3.2 for one year and 3.6 for 2 years and Discount Factor 0.96899 for the first year and 0.93158 for the second year. ...
94 views

### Optimizing stochastic functions numerically

Is there an efficient and commonly used optimization method for "more complex" investment strategies. For instance, say you have a function $f(X_1,...,X_n,c,v)$ where the $X_k$'s are your random ...
290 views

### Is price gaping the major risk that market maker has?

Suppose you are a market maker. So you put a limit price out and hope someone will cross bid/ask spread to take your limit. But there is risk that bad news could come out and market will gap. So ...
130 views

### Optimal Choice of exceeding time

Suppose you hold a share from company $Z$ whose vaue at time $t$ is $S_0+\sigma B_t$ where $B_t$ is Brownian Motion and $\sigma$ denotes some volatility. Now lets assume that company $Z$ may go ...
176 views

### Accrued Interest in CVA DVA

I'm implementing the CVA/DVA for some derivatives, which follows a Hull-White model (one factor). Once I have calibrated the model and I get the results with the simulation, a quite interesting ...
656 views

### Components of an index in a specific date

Objective: Get a list of all the companies that were ever part of an index (e.g.: FTSE100) in a given period of time (scale: years/decades). Method I have in mind: 1) Create an empty list k. 2) Get ...
121 views

### Can I trade the volume of a security or index?

Is it possible to trade a derivative product priced on the volume traded of some underlying security or index? Does such a derivative exist on any exchange traded markets? Or anywhere?
297 views

### Extrapolating implied volatilities to small time

Could anyone please direct me to literature or methods for extrapolating the implied volatility surface towards small expiry? I'm looking to price very short time to expiry binary options (e.g. 5 ...
207 views

### Proving the asymptotic distribution of Manipulation-Proof Performance Measure (MPPM) (Paper by Goetzmann et al.)

In Goetzmann et al.'s (2007) paper, the authors derive a "Manipulation-Proof Performance Measure" (MPPM), which is a performance measure that is impervious to performance manipulation by fund managers....
4k views

### Why do stocks with a negative beta return less than the risk free rate?

Let's say we have two stocks, Stock A and Stock B. Both of them have the same standard deviation $\sigma$, and therefore have the same risk. The only difference is that Stock A has a perfect ...
299 views

### Closed form european option prices for a variance gamma process with a randomly distributed drift, volatility, and variance rate

Does an option pricing model with a closed form European option price exist that takes into account randomly distributed drift, volatility, and variance rate? I prefer a modification to the variance ...
1k views

### Finding Probabilities Using The Binomial Model

I was not able to find a similar question when searching, but if I've missed one please feel free to point me to it. Unfortunately the closest example in the textbook was not terribly helpful either. ...
151 views

### Why does the SMA and EMA appear to be relative to the timeframe?

Why does the value of the SMA and EMA for the current time appear to change when I change my timescale. I'm using ActiveTrader by Fidelity, but I'm hoping there's an general phenomenon so that someone ...
1k views

2k views

### How do I calculate Sharpe ratio from P&L?

Say I have a market-making strategy that trades intraday. I start with a flat position and finish flat too. I end up with a daily P&L $p_{today}$. Over a year of trading I get \$\vec{p} = (p_1,\...