# All Questions

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### Stochastic volatility model with exponential OU volatility

I have a friend in the industry who said they are interested in the model I gave in the title. Whether they use it, idk. $dS_t= S_t(rdt+ \sigma_t dW_t)$ And $\sigma_t$ is the exponential of an OU ...
230 views

### Arbirtage free price process question in Bjork's Arbitrage Theory in Continuous Time

I am currently working through questions in Bjork's Arbitrage Theory in Continuous Time. However, I am unable to solve the following question, 7.2 in the book. A solution would be greatly appreciated. ...
56 views

### How is the redemption right on delisting of underlying shares held by holder in the convertible bond valued?

As title, If there is no delisting constraint, then I can treat the redemption right as the put right on the convertible bond. If there is redemption right on delisting, what is the conventional ...
172 views

### Random Brownian Simulation Startling Results

I was playing around in Excel the other day, simulating possible equity curve/P&L paths for a simple game I designed. The game is really trying to find an optimal risk managment strategy. I start ...
133 views

### Calculate the total returns from the total return index [closed]

I have the Total Return Index(RI) for several companies. I know that I can calculate the log retunrs with $ln(RI_t/RI_{t-1})$. Therefore my first guess would be to ...
144 views

### Error message in calculation Implied Volatility

I am unsuccessfully trying to find the Implied Volatilities for the SPX on a given date using information of the CBOE, as well as Open Interest, but as I run the code I am getting and error message ...
160 views

### How is holding an European call option equivalent to holding an asset-or-nothing call option and writing a cash-or-nothing call option?

The cash-or-nothing call option has a payoff that is equal to the strike price. All three options have the same expiry date.
526 views

### How to prove price of Asian option under geometric averaging is cheaper than a European call?

This was an exam question at Cambridge University. Let $S_t = S_0\exp(\sigma W_t + (r-\dfrac{1}{2}\sigma^2)$ and a bank account returns a continuously-compounded rate of interest $r$. Consider the ...
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487 views

### How to create a Stochastic Process through pre specified points?

I want to create a random (quasi random) process which goes through pre determined points and constraints. E.g. I have a daily price series but want to generate intra-day prices with the same OHLC ...
326 views

### Unsystematic/Idiosyncratic/Firm-specific volatility/variance in the market model?

I was asked to use idiosyncratic volatility as a regressor in a cross-sectional regression upon cross-sectional returns as the dependent variable. Returns can be thought of as the raw log stock return ...
9k views

### Video lectures and presentations on quantitative finance

What are your favourite video lectures, presentations and talks available online? A few rules: Must be related to quantitative finance. No Economics 101 courses, please. Try to avoid DIY lectures ...
94 views

### Calculate display and plot relative spread using Sierra Chart

I'm trying Sierra Chart for trading Bitcoin. I would like to display relative spread for a given volume. spread_rel = 200.0 * (ask - bid) / (bid + ask) where ...
66 views

### How To Regress Returns Vs Price as Pct of 52 week high?

I would like to do a linear regression of daily stock price returns, vs the price as a percentage of the 52 week high. i.e. [next week return] = A * [Price / 52 Week High ] + B where A and B are ...
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### BS Implied Volatility under Normal returns

If I use theoretical prices under a normal valuation model, and I estimate their implied volatility using BLACK SCHOLES implied volatility, do I'll get corresponding log normal volatility?
2k views

### Is variable binning a good thing to do?

Let's say you have a logistic regression model. Some of the factors are intrinsically categorical but some are continuous variables. Under which circumstances should a continuous variable be binned ...
40 views

### any introduction on beta adjustment for basis risk?

On beta adjustment for basis risk, I could only find an online definition: Gap reports modified to mollify the errors caused by basis risk. The essential concept of beta-adjusted gap is that all ...
161 views

### Fixed Income Var calculation

I'm trying to calculate var for a portfolio of fixed income securities. I initially want to just calculate undiversified VaR for each instrument. I'm doing the following for each instrument Take ...
101 views

### ITM Puts under negatively skewed return distribution (volatility skew)

I read Hull (2009) on implied volatilies. I understand that (given a negatively skewed return distribution) an OTM-Put is more worth than under a normal distribution and that a OTM-Call is worth less ...
32 views

### (Free) end of day historical data source for FTSE 350 sector indices [duplicate]

I have been searching for a free EOD data source for FTSE350 sector indices. I remember coming across a site on msn finance a few years back, which provided several years worth of this data (no volume ...
142 views

### Yahoo Finance API

Have been looking for ways to down load stock price data using Yahoo Finance on Chinese Stocks. Symbol that ends with .SS = stock listed in Shanghai, .zz = stock listed in Shenzhen This link ...
54 views

### Scaling Intervals in Diffusion Process

I know this is a very elementary question but... when modeling asset prices through a stochastic process as in $$dS_t=S_t μ dt+S_t σdW_t,$$ where the following is a wiener process ...
392 views

### Market weights for Black-Litterman

I'm trying to implement Black-Litterman for an arbitrary selection of assets. One of the input for BL is the "Equilibrium market capitalization weights for each asset". In most examples I've seen, ...
28 views

### How to get company ids (like CIK)

I need company ids and jurisdiction codes for all the companies all over the world. So that I can use it to extract information from opencorporates. Any idea where I can find the information
65 views

### Need 24 hours a day real time/slightly delayed prices of futures contracts on US and non-US [duplicate]

I'm looking for a data provider to get real-time/slightly delayed data for futures contracts on US and non-US indexes 24 hours a day. Can you recommend anything for a person, who can't afford ...