# All Questions

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### simple, intuitive barrier option derivation

Is there a simple integral that gives barrier option prices without having to deal with messy, hard PDEs and change of variables I understand there is a reflection principle such that the simulation ...
1k views

### How does Yahoo finance calculate Beta?

I am trying to replicate the beta value that yahoo calculates but I am getting different results. According to Yahoo, its beta is calculated using 5 year returns against the SP500: yahoo beta I ...
5k views

### Transformation from the Black-Scholes differential equation to the diffusion equation - and back

I know the derivation of the Black-Scholes differential equation and I understand (most of) the solution of the diffusion equation. What I am missing is the transformation from the Black-Scholes ...
40 views

### Cointegration tests: how do you accurately test the necessity of time trends in the Johansen and Engle-Granger Test?

Is there a correct and up to date procedure? I just run the equation in VEC form and test the significance of the time trends? What are the possible problems that I should be aware of?
29 views

### Calculating VaR with Monte Carlo simulation

I would like some help here :) I have a problem calculating VaR with the Monte Carlo Simulation. I have followed then next steps, is this a right way to calculate VaR or I need something more? ...
53 views

### Show that the equation solves the Black-Scholes PDE

I have the solution as given Based on this, I have to show that this solves the Black-Scholes formula It means that I should take the partial derivatives of the solution above and then receive the ...
38 views

### Why we consider second derivative w.rt price but only first derivative w.r.t time and volatility

What is the reason (better if it is intuitive, and not too math heavy), that when we talk of Greeks, we consider second derivative with respect to price (gamma), but only first derivative with respect ...
16 views

### Where to get historical daily settlement price of each VSTOXX futures contract

I'm doing some analysis on VIX and VSTOXX futures and require historical prices of each contract as a result. VIX info is free to download on CBOE website: ...
70 views

### Why must a replicating portfolio be self-financing?

If I have a trading strategy such that at each time $t$ I own $\Delta_t$ units of stock $S_t$ and $\psi_t$ units of bond $B_t$, it is a replicating strategy for some claim with time $T \geq t$ payoff ...
62 views

### Reuters RIC chain for Eurodollar midcurve options

Can someone please tell me what this is? Thanks. Edit: The RIC for the straight eurodollar options is 0#GE+, I need RICs for the 1,2,3,4 mid curve options which the IMM/IOM calls GE0, GE2, GE3, ...
3k views

### Can the J language be used as an effective alternative to Q/Kdb+?

I hear a lot about Q/kdb+. I've never had the opportunity to use it for anything real but have played with it using their trial license and found it intriguing (if not somewhat mind warping). I've ...
11k views

### How to calculate historical intraday volatility?

Sorry for what must be a beginner question, but when I went to write code I realized I didn't understand exactly how historical volatility, or statistical volatility, is defined. Wikipedia tells me ...
35 views

### Best way to scan 1000 stocks? [closed]

I am trying to identify the stocks which gap up during a period, and then get the relative information, such as volume on the day and the prices before and after that day. I'm just experimenting and ...
15 views

### Value-at-Risk Calculation with respect to the Capital Requirements

I want to calculate the Value-at-Risk at date $t$ in such a way that I minimize the capital requirements given as \begin{align} \text{CR}_{\,t+1\,:\,t+250} = \sum_{h=0}^{249}\max\left( ...
80 views

### Estimate simple option price without a calculator

I have been to two different interviews for jobs related to option trading, and both time I have been asked a question, which is pretty basic, and still I could not answer it. If you have an European ...
15 views

### Can Yahoo Finance API work for non-US markets?

I am trying to fetch ticker prices and historical prices for major Asian exchanges (HKSE, SGX etc). I am trying to use yahoo finance API, but it is not returning any data for even SingTel, which is a ...
2k views

### Is there a step-by-step guide for calculating portfolio VaR using monte carlo simulations

I am trying to determine a step-by-step algorithm for calculating a portfolio's VaR using monte carlo simulations. It seems to me that the literature for this is extraordinarily opaque for something ...
121 views

### Why dynamics of local volatility is wrong?

In Dupire's local volatility model, the volatility is is a deterministic function of the underlying price and time, chosen to match observed European option prices. To be more specific, given a ...
101 views

### What are the canonical references on wholesale credit risk management?

I am trying to read up on "Wholesale credit risk ", but I can't find any useful references. Why is the emphasis on wholesale?
19 views

### Leverage on ETF the same effect as on portfolio?

While we know that leveraged ETFs do decline in value to zero given infinity, can we also say the same with our portfolio value if we use leverage in our trading activity and seeing our portfolio ...
41 views

### Technical Analysis - OBV indicator calculation in R

Here is a few references about OBV calculations: http://ta.mql4.com/indicators/volumes/on_balance_volume ...
157 views

### Breaking Down Option P&L

I am comparing the MTM valuations of two risk systems, with respect to FX Options. My Question is can I quantify the difference in MTMs given the following: System1: AUD/JPY, MTM = USD 461,000, ...
97 views

### Using multiple regression to determine coefficient that feed into another multiple regression problem

Ok so it is a bit of a complicated problem so I hope I explain this well. I currently have a multiple regression formula where I input 3 items and the output is expected growth. Each of these input ...
485 views

### How to price a Swing Option?

I'm working in the commodity market and I've to price Swing Options with MATLAB, preferably with finite element. Has anyone already priced these kind of derivatives? I'm thinking about using the ...
347 views

### How to fully replicate ADX + DI Indicators in Excel?

For black box testing, I was hoping that I could replicate the ADX + DI+ and DI- indicators that are provided in trading platforms such as ThinkOrSwim, ScottradeElite etc. However, I noticed that ...
41 views

### Can not understand options pricing [closed]

As we are seeing here http://www.theoptionsguide.com/strike-price.aspx Relationship between Strike Price & Call Option Price Relationship between Strike Price & Put Option Price I do not ...
90 views

### Cash flow diagram, interest rate inflow series

I have a econ midterm coming up soon and stumbled upon this question. My approach is: 2C=800/(1.12^2)+1200/(1.12^6)=125.71 or C=1245.71/2=622.85 But I have a gut feeling this is wrong. I believe the ...
93 views

49 views

### Computing Value at Risk for portfolio in R

I know how to compute VaR with long positions using PerformanceAnalytics. What about a portfolio consisting in two equities A and B, 100 USD long positions in each, and 2 stock options for the same ...
64 views

### Why is volume a totally independent variable from price?

In Martin Pring's book "Technical analysis explained", when talking about volume, he asserts that it is "a totally independent variable from price" Why is this?
221 views

### constrained portfolio optimization by fmincon

I am working through this paper, http://www.nber.org/papers/w8922.pdf I want to implement the portfolio weight constraints see page 6-7. Here is the brief overview of my problem: Let ...
32 views

### Z-Score calculation for a win-loss streak

I am trying to find the correlation between wins and losses by applying Z-Score according to formula attached below. I put them in an array by assigning 1 to wins and -1s to losers. I am trying to ...
139 views

### Application of Control Theory in Quantitative Finance

I have recently completed an MSc in Control Systems from a top university. It seems to me that control theory must have an application within quantitative finance. I would like to apply my degree ...
### For $B_t$ a Brownian motion what is the probability that $B_1>0$ and $B_2<0$?
Let $B_t$ be a Brownian Motion. What's the probability that $B_1>0$ and $B_2<0$?