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Questions tagged [finance]

The tag has no usage guidance.

0
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0answers
50 views

Simplest portfolio optmization under transaction costs

I've been studying portfolio optimization trying to go step by step. After seeing much of Markowitz and Merton's work (Although I still don't get all of it), I would like to have acquire more ...
0
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0answers
129 views

Yahoo options chain pricing vs stock broker pricing

I am having hard time understanding the price difference of yahoo option chains. For example: Yahoo shows for TWTR FEB 17, 2017 CALL @16.50 option ...
1
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1answer
138 views

Monthly returns annualized vs annual returns [closed]

Lets say that I have a stock with annual returns, $a_i $ for year $i\in \left\{1,...n\right\}$ and monthly returns $m_{i,j}$ for month $j\in \left\{1,...12\right\}$. Lets define monthly returns to be ...
3
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2answers
492 views

What are the assumptions in the first-stage of Fama-MacBeth (1973)?

According to the CAPM, the expected return of asset $i$ is: $E(Z_i) = \beta_{im} E(Z_m)$ where $Z_m$ is the excess return on the market portfolio, and $Z_i$ is the excess return of asset $i$ over ...
0
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0answers
57 views

PCA: FTSE100 or any other index

I am relatively new and want to do a Principle Component Analysis (PCA) of the FTSE100 or any other index. What's the best way to downloaded the constituent parts of the index so that I can perform a ...
-4
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1answer
482 views

Exponential Discounting of Cash Flows [closed]

I wonder for exponential discounting method to do the discount cash flow, may I doing it right as the following screenshot from Excel, assuming the discount rate is 4%? Thanks!
1
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0answers
44 views

Financial instrument code crossreference

Is there some source to have a XREF of various instruments codes as used by different providers ( IE Reuters Bloomberg others ) as well as ISIN, are there some sources/strategies already in place?
1
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0answers
78 views

Can someone suggest some good reads on OAS and Spread Duration?

I have been through the CITI Yield book paper and the OAS by Barclays. Is there is anything else that tackles this topic? Any help would be much appreciated. Cheers!
0
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0answers
36 views

Obama's lowering mortgage ins rates makes no fiscal sense, because the Fed just raised its rates for the first time last year. Right?

Background: This is a follow up from this question, regarding Obama's lowering of the mortgage insurance rates 11 days before Trump was inaugurated (not to go into effect until week after Trump became ...
3
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2answers
4k views

What is the difference between pull to par and roll down in both mathematics and conceptual?

I don't really understand the difference. Shouldn't roll down and pull to par be the same technically? If a bond is trading as a discount it "increases" in value because everyday gets closer to par, ...
1
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0answers
51 views

How to find the ideal options trade given certain return distribution?

Suppose I have a probability distribution for the return of a given stock from now until some expiration date. Is there any algorithm/process/software that will take that probability distribution and ...
1
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0answers
102 views

Self financing strategy : how to understand it in continuous + transaction cost model?

I'm having a hard time trying to understand a formula about self financing strategy trading. Let's suppose you have two assets, $\phi=(\phi_0,\phi_1)$ is the vector that represents the quantity you ...
6
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2answers
210 views

Why is $Y(t)V^h(t)$ a martingale?

Let $\lambda$ be the market price of risk: $\frac{a - r}{\sigma}$, and define $Y(t) = e^{-\lambda W(t) - (r + \frac{\lambda^2}{2})t}$. Let $V^h(t)$ be the value process of any self-financing portfolio....
0
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1answer
704 views

optimal portfolio with different lending and borrowing rates

I have 4 risky securities (have returns and var-cov matrix for monthly data), and I can lend at 1% per annum, but borrow at 5% per annum. If i wish to obtain the s.d. of 5%, what is the optimal ...
2
votes
1answer
529 views

For any efficient portfolio, does there exist another efficient portfolio which has zero correlation with it?

For any portfolio on mean-variance efficient frontier, does there exist a portfolio on the frontier which has zero correlation with it? I tried to play around with the covariance, by setting ...
0
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1answer
107 views

Trading book estimation

Do you have any idea/hints how could I estimate the size of the trading book of a particular bank relying solely on its annual financial report? Any help would be much appreciated!
0
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1answer
307 views

PortfolioAnalytics R package - Error with the function “create.EfficientFrontier”

Issue The function create.EfficientFrontier from the PortfolioAnalytics package is outputting an error message that reads: <...
0
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0answers
17 views

Yahoo Finance API Raw Material Prices [duplicate]

I´m working on a stock app for iOS where I´m overlaying the diagram with the historical prices of a stock and the prices of the only raw material this company is producing. For the stock prices I use ...
2
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1answer
159 views

Where can I find ideas for strategies? [closed]

Every book I read refers me to many other books, there is practically no way I can read all this text in my life time. Once and for all, where is the best place to fish for ideas?
1
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1answer
634 views

Pricing log-contract with Black-Scholes PDE

I was wondering if someone could help me with a problem, regarding the Merton Black Scholes PDE. I have an exam soon and this question on an old exam has been bothering me and a friend for quite a ...
0
votes
1answer
46 views

Where can I get intro to basic personal finance terms? I'm a software engineer [closed]

I am a software engineer. I might be working on a project in near future that will require some knowledge of basic finance terms. I never had any course about finance or accounting in college or ...
0
votes
1answer
43 views

How to determine how much a company can invest in M&A activity?

I am an engineer who is increasingly interested in business-related things, and I am reading and learning a lot about what you can derive e.g. from financial statements. One question I was wondering ...
0
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0answers
22 views

Why does the difference between two year's retained earnings not add up?

I am looking at a company's 10-k filing history for my valuation. I have collected figures for retained earnings, net income and ...
0
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1answer
2k views

How to Calculate a Negative ROI?

How to properly calculate negative ROIs? I am just wanting to calculate very simple ROIs, which could be very negative, but it doesn't seem to work. Wikipedia defines ROI as this formula: return ...
3
votes
1answer
85 views

APR and Term to Principal Repayment Schedule Approximation

Is there any established "industry standard" to obtain an approximation for the expected principal repayment schedule for a given loan amount, term in months and APR with monthly payments ? I ...
1
vote
1answer
75 views

Firm Stock market

Let's say that I live in my own world, with 20 inhabitants. I own a firm called mc Donald's. ( my people purchase food there of course). Each income to mc Donald's gets into the firm bank. McDonald'...
-1
votes
1answer
131 views

Zero-coupon Loan Investment [closed]

Zero-coupon default-free interest rates maturing over the next five years are listed below (in percent per annum, continuously-compounded): Maturity Years -- Yield 1 --------------------1.9 2 ------...
1
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2answers
162 views

The meaning of risk-neutral pricing?

Assume that the underlying $S$ is some index, hence the risk-return $\mu=0$, where $S$ meets $$d S = \sigma S d W_t.$$ Let $V$ denote the price of the corresponding call option. To construct the ...
1
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2answers
200 views

Log-periodic power law model: is it a continuous or discrete-time process?

Are the log-periodic power law models used to predict financial market crashes continuous or discrete-time processes?
1
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1answer
1k views

Computing Buy-and-hold abnormal returns (BHARs) $= \prod_{t=\tau_1}^{\tau_2}(1+R_{i,t}) - \prod_{t=\tau_1}^{\tau_2}(1+R_{m,t})$

I am doing an event study and wanted to know if was going about this correctly$$ \text{BHAR}_{i(\tau_1,\tau_2)}\quad=\quad\prod_{t=\tau_1}^{\tau_2}(1+R_{i,t})~-~\prod_{t=\tau_1}^{\tau_2}(1+R_{m,t}) $$ ...
0
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0answers
89 views

Twiggs Money Formula - Lazy Bear approach

Well, I am trying to implement twiggs Money formula in my application and I am stuck in one place. I am following the lazy bear approach. Here is the link for that https://www.tradingview.com/script/...
0
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1answer
92 views

Calculating historical Bond returns

How would you calculate historical bond returns using bond prices? Would you treat bonds just like shares ? Thanks
2
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0answers
80 views

Will I have time to continue reading some papers in physics after joining hedge funds? [closed]

I'm a phd student in physics, and trying to find a job in hedge funds (which better value and respect scientific logic and methods very much, rather than focus on the social network. Although I'm good ...
2
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1answer
61 views

Equity Dilution Question

Prior to equity financing: Market Capitalization is $1B Current Share price: $50.00 Total Common Shares outstanding: 20,000,000 The company wants to raise 100M in equity through stock selling. I ...
1
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3answers
109 views

Suppose i want to track S&P500 index using 15 stocks, how do i adjust their weights?

I am given 15 stocks (which is listed in NYSE), and want to track/replicate the S&P500 index. So i am currently have the information about the stock price, and given some capital to invest in (all ...
1
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2answers
1k views

Trading liquidity risk

I am trying to understand trading liquidity risk $\cdots$ "Trading liquidity risk occurs when an entity is unable to buy or sell a security at the market price due to a temporary inability to find a ...
0
votes
1answer
101 views

How do I loop through all the stocks and find the 10 stocks with the highest Sharpe ratio using R program?

I am recently doing a project, which I need to apply Sharpe ratio to all the stocks. How do I loop through all the stocks and find the 10 stocks with the highest Sharpe ratio using R program? Thanks a ...
1
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1answer
48 views

Measuring the surprise element of policy actions

Dear fellow community members, Here is the excerpt from Bernanke and Kuttner (2005) that I need to apply to gather my data. "A measure of the surprise element of any specific change in the Federal ...
1
vote
1answer
163 views

How do I find this Expectation?

I have an expectation given as: $\mathbb{E}\left(S_{T}\mathbb{1}_{S_{T}\geq K} \right)$ where $K$ is just an arbitrary number (i.e. the strike price, but that's unimportant) and $S$ can be modelled ...
1
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0answers
286 views

question about the market quote from bloomberg

I am a little bit new in finance. Perhaps it is not suitable to ask here, but still, I would like someone can help me. What I have now in hand are normal volatilities taken from Bloomberg for a ...
1
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0answers
352 views

EWMA in python using the arch 3.2 package and pandas

I have a hard time figuring out whether my EWMA calculation of variance is correct when using the python package ARCH 3.2. Currently, I am doing the following: ...
6
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2answers
499 views

Does financial math benefit society?

This is an open ended question but just want to hear some of everyone's thoughts on this. How does financial mathematics benefit the economy, the stock market, and the individual investor? I know ...
1
vote
2answers
783 views

Test statistical significance of a trading strategy

I have created a trading strategy which operate every single day on the DAX 30, for the last 1700 trading sessions (some years). I have the daily returns of my strategy and also the daily returns of ...
38
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5answers
17k views

Building Financial Data Time Series Database from scratch

My company is starting a new initiative aimed at building a financial database from scratch. We would be using it in these ways: Time series analysis of: a company's financial data (ex: IBM's total ...
0
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0answers
72 views

Investing acc. to DIY Financial Advisor book

I am a totally new to finance so I started reading the book DIY Financial Advisor by Wesly Gray et. al. after watching the Google talks video of Mr. Gray. The book explains the principles of value ...
4
votes
1answer
3k views

Risk Free Rate vs LIBOR

Theoretically, in pricing derivatives, most textbooks refer to the risk-free rate. What is obtainable in practice? The risk-free rate or the LIBOR rate?
1
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0answers
117 views

Programming language to compliment Finance degree [closed]

I've read a few questions regarding this, but want some new (more recent) opinions. I'm in the process of pursuing a degree in Finance, complimented with some Math and a sprinkle of Computer Systems. ...
13
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1answer
644 views

What is the most stable, non-trivial dependence structure in finance?

The highest rated answer to the question on What concepts are the most dangerous ones in quantitative finance work? is this one: Correlation Correlations are notoriously unstable in ...
3
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1answer
320 views

How do I calculate Market Dividend Yield from this data?

Thanks for reading, I am trying to calculate the market dividend yield for this set of data. The authors define it as 'The market dividend yield (MDY) is the one-year dividend from the CRSP value-...
1
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0answers
110 views

How can we observe volatility smile from the market. Drawbacks of Heston Stochastic Volatility Model

Here are two questions related to implied volatilities. a) The set up here is for an European option. We can get its implied volatility smile from calibration, the question is why could we also ...