# All Questions

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### How to get real interest rate from Nominal spot rates?

I have the nominal spot rates. Based on the Fisher equation , how to get the real interest rate ($r$) and the "expected inflation" ($\pi$) ?
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### PPPN: participation rate, stocks and premium

I'm a student of financial engineering and am very new to all of this stuff. Now, I'm trying to make an "example of a beginners exercise", but alas, I don't have any clue on how to solve or even on ...
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### jump-resetted diffusion process

I'm working on a model in which there are two processes, $H$ and $L$, and the final variable to model starts as $H$ and then whenever a jump occurs, an instance of the $L$ processes starts and ...
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### Drivers of equity returns: dividend yield, change in P/E and dividend (or earnings) growth

In an NBIM paper I read the following: "... one can break down the total equity return into the dividend yield (the starting valuation), the change in the P/E ratio (the change in valuation) ...
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### Derive Perpetual Bond Price

It is known that a perpetual bond with coupon $c$ has price $$P=\frac{c}{r}$$ How do you get to this price? Is $r$ stated in discrete or continuous compounding?
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### Pricing homogeneous Basket Default Swap

Consider a basket with $K=10$ names. Default times of the names, $\tau_k$, are i.i.d. random variables with distribution $P(\tau_k \leq t) = 1 - e^{-\lambda t}$. Suppose that each name in the ...
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### Inverse Laplace transform

I'm trying to compute the inverse Laplace transform of the function gam below ...
38 views

### Bid/ask and volumes from ITCH feed, what is the most efficient way to do this?

I am very green when it comes to programming. I am doing a market microstructure study where I need to investigate how certain stock characteristics affect their liquidity. I have Nasdaq OMX ITCH Feed ...
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### Historical book value data for S&P 500

In Graham's Intelligent Investor, he calculates a metric Earning/book value. I would like to calculate the same ratio in modern times (1960-2015) but am having trouble finding this data. I have found ...
55 views

### Yield curve interpolation at (very) short horizons

I'm struggling to find much information about yield curve interpolation for sub-yearly horizons. Say, one-two months. It seems to be the area where the curvature is usually nontrivial, while after ...
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### Portfolio Optimization with equal weight for assets selected

I have a data frame of bets, with 1 being a win and 0 being a loss. These bets are correlated so I cannot just pick the highest winning percentage. Goal is to get 2 optimizations, 1 for max sharpe ...
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### Solving inequality constraint

I am trying to solve the following inequality constraint: Given time-series data for N stocks, I am trying to construct a portfolio weight vector to minimize the variance of the returns. the ...
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### Probability of reversion for cointegrated variables

I ran a Johansen test to figure out the cointegrating relationship between two variables $x$ and $y$, forming the equation $z=ax+by$ using the eigenvectors. The values are computed using from time ...
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### Calculating Volatility Parameter using Closing Prices [closed]

Say you have 3 closing prices... 101 100 102 How would one calculate the standard volatility parameter using these values? I am quite confused, it seems simple enough though.
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### Motivation: Stochastic Interest rate model

what is a reason that someone might be interested in a stochastic-interest model such as the Chen model? Also can you provide me with a link to an easy to read motivational paper/part of a paper on ...
99 views

### Risk Manager must-know list

What are the products, concepts, and models a risk manager must know? I'm not looking for an exhaustive list, but rather a general list as the one in Paul & Dominic's Guide To Quant Careers: ...
176 views

### Calculate theoretical forward price of a stock

The current price of a stock is USD400 per share and it pays no dividends. Assuming a constant interest rate of 8% compounded quarterly, what is the stock's theoretical forward price for delivery in 9 ...
*S follows a process $dS= mSdt + oSdz$ where m and o are constant. What is the probability followed by $Y=(Se)^{(r-t)}$. If S follows a process $dS= k (b-S) dt + oSdz$ where k, b, o are ...