# All Questions

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### Jacobian for Newton method for American options by front fixing

In this paper Penalty and front-fixing methods for the numerical solution of American option problems a front fixing method based on Newton is described for an American put option is described. I am ...
33 views

### Implied rate of a bond question

A 2 year bond, yield 6%. A 1 year bond, yield 4%. What's the implied rate for the bond that starts one year from now?
47 views

### Need help understanding basics of cash flow engineering

I'm studying Financial Engineering, a subject I'm completely new to. I'm using Principles of Financial Engineering 3rd Edition and trying to solve the exercises ...
26 views

### Stats and Hedge Ratio calculation questions

I did self-study and learnt some concepts to build a multiple leg spread /portfolio for trading but still confuse in some basic concepts. I will be very thankful if you can answer my couple of ...
92 views

### Why the value of this portfolio is negative? [closed]

Let's assume I buy 1 call with strike 100 and 1 call with strike 120 I sell 2 calls with strike 110 (with same expiration) I wonder why value of this portfolio is negative at $t=0$?
28 views

### Euler discretization error increasing with number of steps? (GBM, Matlab)

I'm trying to see how the Euler discretization error behaves with respect to the number of steps. To do this I'm simulating a geometric brownian motion and comparing it with it's 'exact' solution. ...
20 views

### Will rolling-down-yield-curve bond strategy work if interest rates remain unchanged?

Suppose I have 2 strategies; A) Buying A One Year Bond And Holding To Maturity (Buy & Hold To Maturity) B) Buying A 3 Year Bond and Selling After One Year (Rolling Down The Yield Curve) Assume ...
37 views

### Fed FOMC Target Rate annnouncement machine readable data point

Does anyone know if there is a near-realtime machine-readable feed that reflects the FOMC target rate announcement? The announcement came in today at 2 pm, but I can't find a way to download the ...
41 views

### QuantLib C++: Friendship dilemma between derived class from PiecewiseYieldCurve and Bootstrap class

I derived a class template, OISCurve<Traits,Interpolator,Bootstrap>, from ...
19 views

### how to get the current price of a stock in quandl [duplicate]

Is there any way to find the current price of a stock as it fluctuates during the trading day. If so where can I find out how to get real time data of a stock or commodity. Thank you for your help!
56 views

### How big is the options market?

I am looking to write an intro to a document describing option pricing. Therefore it would be lovely to motivate it by how large the market is, but I cannot find any good reference. Where can I find ...
20 views

### free and reliable stock ticker API [duplicate]

I am looking for an API that will give me (somewhat real time) stock quotes for free for a website. I have heard about using yahoo finance URL download but (to the best of my knowledge) yahoo could ...
22 views

### Relationship between yield spread and stock returns

I would like to ask the following question: Do yield spreads generally have a relationship with stock market indices like the S&P 500? If so, what kind of relationship? I have looked at numerous ...
69 views

### Segmented investment to yield same monthly return in each segment

Not an investment specialist, so please excuse the very basic math. Given a lump sum, I need to distribute this lump sum over (x) segments, each lasting (y) years (years can be different for each ...
61 views

### Discrete Hedging of Options

Assume that a stock $S_t$ follows simple geometric Brownian motion. Let's say we sold option whose payoff is $f(S_T)$. Now, we are only allowed to trade 2 times in the interval [0,T]. What kind of ...
25 views

### Practical Delta hedging under stochastic volatility models (e.g. SABR model)

I'm currently straggling with Delta hedging under SABR model (or other stochastic volatility models). As far as I know there are numerous Delta hedging strategies theoretically and practically such as ...
37 views

### The portfolio whose return is the stochastic discount factor

I am trying to construct a portfolio whose return is $a + bm_{t+1}$ where $a$ and $b$ are some constants for a certain investor. $m_{t+1}$ is the stochastic discount factor at time $t+1$. I am ...
29 views

### How can I use Thomson Reuters Eikon to get a list of large historical companies?

I am trying to use Thomson Reuters Eikon to get a list of historically large companies, for example, what were the 1000 largest companies by market capitalization in 1990? I would like to get lists of ...
49 views

### Number of simulations for Monte Carlo CVA

Assuming we are calculating CVA across a netting set with a Monte Carlo methodology: 1) How many future dates ("horizons") would be typical - or does that depend entirely upon the composition of the ...
24 views

### Modelling commodity price uncertainty with brownian motion - time period impacts

background I have two separate models of a metals resources company. Each model produces a series of accounting and cashflows forecast for different assets, and consolidates these to a overall ...
121 views

### Calculate and plot historical volatility with Python

I have downloaded historical data for FTSE from 1984 to now. What I would like to do is to graph volatility as a function of time. What I have written is: ...
77 views

### How to calculate Credit VaR?

(source John Hull, Options Futures and Other Derivatives 8th edition) I can't follow why Hull calculates Credit VaR in the following manner. I thought CVaR was Unexpected Loss$_{confidence}$ - ...
17 views

### Calculating Portfolio Risk with different assets [duplicate]

I want to calculate the risk of a portfolio (for a certain year) that includes several assets. Therefore, I want to calculate the standard deviation of each specific asset. I will calculate the ...
61 views

### Gamma Imbalance Explanation

Can someone please give me an explanation as to what put-call gamma imbalance specifically refers to (imbalance of what?), and why they may exacerbate volatility from a market perspective, and why the ...
19 views

### Portfolio Hedging under Uncertain Correlations

I have a portfolio ($w_0=1$) and two hedging assets ($w_1,w_2$) and a co-variance matrix for the three $\Sigma$. However the co-variance $\Sigma$ is only an estimate. For fairly well behaved assets ...
33 views

### residential mortgage prepayment modelling

I'm trying to develop a model for predicting prepayments, after reading several arcticles about it over the net. the model should use market data and be behavioral model (i.e. regression/survival ...
26 views

### Are low oil prices and low shipping costs really a leading indicator for a shrinking economy

Recent article in Bloomberg saying that lowered shipping costs n the form of the Baltic Dry Index and lowered oil prices are in someway a concern for a growing global economy: ...
27 views

### Interpretation of the CAPM model under Stochastic Portfolio Theory framework

The CAPM under the Modern Portfolio Theory approach is given as: $$R_i = \beta_i R_\pi$$ Where $R_\pi$ the portfolios expected excess returns Under the stochastic portfolio theory approach:  r_i ...
26 views

### calculate annualised tracking errors

I have 36 months of relative returns. I need to calculate the annualised tracking error. So using 36 months of returns is it simply like below, ...
29 views

### labeling high frequency signal data

Was curious if anyone has methodologies they can recommend for systematically labeling (discrete) signals generated from intraday tick data for use in classification or detection models ?
29 views

### Isolating single assets standard deviation in a portfolio accounting for correlation

I am running a simple Monte Carlo analysis in Excel using mean return, standard deviation and the =NORMINV(RAND(),mean,std dev) method. I have a correlation matrix that I use to compute the portfolio ...
43 views

Two very specific questions (they are more database questions, but need specific knowledge): A same stock could be traded in different currencies in a same exchange? A bond is always traded in his ...
35 views

### Definition of sharpe ratio maximising and variance minimising portfolios

In this paper, http://papers.ssrn.com/sol3/papers.cfm?abstract_id=2226985, in the derivation of the mean variance efficient portfolio using lagrangians in the appendix, on page 29, the two portfolios ...
17 views

### Force of Interest Compounding at Annual Rate i

I'm working through some actuarial practice and am lost as to what's going on with the differentiation here (it's been a while since I've had calc): Derive an expression for $\delta_t$ if ...
24 views

### Estimating Credit VaR using a simulation of joint defaults with a copula

I'm trying to follow the steps Malz gives to calculate Credit VaR using simulation of joint defaults with a copula. I'm having trouble understanding some of the steps. My math knowledge is rather ...
32 views

### Shrinkage Estimator giving unrealistic portfolio variances

I have a historical covariance matrix which is invertible for daily and monthly returns. I used the Ledoit,Wolf shrinkage estimator for the covariance matrix and now I get really small portfolio ...
13 views

### The calculation of NIBID rate from 2013 by using NIBOR rate (UIP)

I need to calculate the NIBID rates from 2013. I have the NIBOR as a starting point and some indications but I am still quite confused. I found some advices online, but it does not seem to get me the ...
23 views

### Mutual Fund Cash Level Data

I look for a source to download historical monthly mutual fund cash level data from. Is there any free/cheap source available?
22 views

### reference for elementary mortgage math

I have a student doing a project on default rate & prepayment rate for mortgages. She would like to include a section on how the quantities affect pricing, & so would like to reference a ...
32 views

### how best to equalize individual pair risk in a portfolio of stock pairs?

I am building a portfolio of stock pairs in which each pair is individually hedged via beta/hedge ratio adjustment. I am looking for a method to ensure that I am taking the same risk in each pair that ...
14 views

### Stiffness of numerical methods for SDE

What can I do with stiffness of numerical methods for SDE? I want to use numerical approach for solving SDE in market's scenarios generation. Is there any general approach to handle it?
30 views

### Smoothening yield curve by minimizing forward curve slope

I am using government bullet bond data and have bootstrapped a yield curve by solving the following optimization which minimizes unweighted price error: ...
31 views

### Whats the formula to calculate the FV, incorporating monthly deposits?

I need a Formula to calculate the future value of an investment based on current principal, interest, number of years, compounding interval (times annually) and monthly deposit. So basically ...
19 views

### Strange / Incorrect / Unusual Data on Google Finance 1988 [duplicate]

Looking at XOM (but it is the same for many stocks) there is an odd drop in the stock price during 1988. It drops around the new year and pops back up around the next new year. This drop is present ...
28 views

### Maximum Likelihood Estimation Heston Model using Matlab

My question is based on the MLE of the Heston model discussed in this paper URL: http://www.princeton.edu/~yacine/stochvol.pdf with Matlab code: http://www.princeton.edu/~yacine/closedformmle.htm ...
40 views

### Risks Associated with Option Arbitrage Portfolio

If my math is correct, if I construct the following portfolio of options the worst that I can do regardless of what the underlying does is profit \$1.74 (less commissions). Is this correct? Are there ...
81 views

### stochastic calculus and multidimentional itos lemma

I am considering a number of assets (N) in a portfolio. each asset follows a geometric Brownian motion process therefore the stochastic differential equation is dS(i) = S(i)μdt + S(i)σdX(i). The ...
25 views

### How to evaluate data handlers

How would I go about evaluating CME data handlers? Looking at:how to define and measure latency Two colo servers should have the same Order to Accept times. If the algorithm to generate the order ...