Shares of stock traded in a stock market. Equities represent the residual claim or interest of the most junior class of investors in assets, after all liabilities are paid.

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14
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3answers
20k views

How to simulate stock prices with a Geometric Brownian Motion?

I want to simulate stock price paths with different stochastic processes. I started with the famous geometric brownian motion. I simulated the values with the following formula: ...
1
vote
3answers
186 views

Get market cap by ticker on 1.7.2013?

I have a list of all S&P500 tickers, e.g. AAPL, GOOG, JPM. I would like to get their market cap on 1.7.2013 (I don't have Bloomberg, only free internet). Is there an excel addin or other ...
1
vote
0answers
34 views

EDGX, EDGA, Nasdaq and Bats-Z Pricing in 2011

I'm trying to find the fee and rebate structure of these 4 exchanges during year 2011, in the specific, I'm interested in the cost of posting a hidden Limit Order, in the cost of removing a visible ...
0
votes
0answers
31 views

How to understand the upward trend of currency hedged euro/japan equity ETF

The quantitative easing implemented in Euro zone & in Japan has resulted in two outcomes Massive inflow of money into market that raised the stock index, and The weakening of euro/yen compared ...
0
votes
1answer
52 views

Raising money in IPOs

When a company goes into an IPO wouldn't they try to make as much money as they can? Then how come the Greenshoe option says that some would try to not issue additional shares just so their share ...
1
vote
2answers
337 views

How can I create a public viewable stock market index?

I have 3,000 tickers that I would like to turn into a weighted index, viewable by the general public by going to Yahoo and typing in ^PSNDX (for example) or go to E-Trade and enter something similar. ...
1
vote
3answers
201 views

Building custom indices; getting data from web; stats analysis; Python or R?

I would like to build a couple of custom indices. I would like to be able to enter ticker(s) into an input and have ohlc, volume, qualitative ...data downloaded from yahoofinance, google finance, ...
2
votes
0answers
60 views

How to Handle Error in SEC Filings

Sometimes I see obvious errors in the 10-K or 10-Q filings that appear to go uncorrected in subsequent filings for the same period. For example, on June 9, 2014 Apple, Inc. did a 7-to-1 stock split. ...
1
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3answers
161 views

Technical Indicators reference

I have been looking for a good reference where I can find how technical indicators of stock market analysis are calculated. I have a dataset (time series) which I want to extract these indicators to ...
0
votes
1answer
248 views

How important is the limit order book?

I'm trying to understand how important the limit order today for NYSE, NASDAQ, Euronext and LSE. For example, when we talk about the volume traded during the day, what share of that volume has been ...
2
votes
2answers
275 views

Bloomberg ticks is difference from Reuter ticks?

when I using Bloomberg excel plugins to retrieve the ticks and compare with Reuter RDF data, for some UK equity stocks in same days, the number of ticks and sum of total value is difference, why will ...
2
votes
0answers
86 views

Finding relative price strength as defined in CANSLIM stock picking methodology

I am wondering if there is any website that provides relative price strength as is defined in CAN SLIM stock picking methodology. For the CAN SLIM difinition I am looking at this article: ...
1
vote
0answers
106 views

Conversion stock symbols Google Finance vs. Reuters

I'm working on a project that will fetch data from Google Finance and Reuters. In order to avoid keeping two separate lists of stock symbols, I'm looking for some kind of conversion or database or API ...
1
vote
1answer
90 views

What does NPV ASSENTED after stock name mean?

For a project, I have to quantitatively implement a strategy for value investing in EURO STOXX 50. I pulled the data from Datastream. When I was checking some data plots for dividend yields and total ...
4
votes
1answer
15k views

How to calculate equally weighted market portfolio

There's two studies that test the same thing in different markets (i.e. they apply the identical methodology). They state: 1) "$R_{mt}$ is the equally weighted average stock return in the dual-listed ...
2
votes
0answers
110 views

Non-Negative Matrix Factorization - Estimating the Mean

How do you estimate the mean in a Non-Negative Matrix Factorization framework? It is obvious and well known how to estimate the covariance matrix, how ever I also need the estimated mean. I'm ...
1
vote
1answer
54 views

Share price of Precision Imaging Corporation of America on March 13, 1991

Where can I find the share price of Precision Imaging Corporation of America, Inc. on March 13, 1991? I realize the company no longer exists and the shares are now worthless but I would like to know ...
2
votes
2answers
273 views

Locked or Crossed Markets

I don't understand why Rule 610 from Reg NMS was introduced: what was the problem with locked markets? I have read that one of the issues is that it forced a market maker (say, from Nasdaq) who ...
0
votes
3answers
157 views

Share Repurchase and Bid ask Spread data

I am doing a Quantitative Finance PhD and would like some insight on data collection. I'm looking for open market share repurchase data (UK) over the past 2-3 decades. Simultaneously, their bid-ask ...
2
votes
0answers
23 views

Non-overlapping ranges of HCNN' observables and of state transition function

In the artcicle Forecasting and Trading the High-Low Range of Stocks and ETFs with Neural Networks HCNN is used for forecasting of nine time-series, namely: returns of the lows returns of the highs ...
0
votes
2answers
164 views

Countries and/or exchanges which don't allow algo-trading

I am doing a research paper on the effect of algo-trading on capital markets. In order to do this, I plan to do an OLS comparison of Countries and Exchanges who ban algo-trading platforms and those ...
2
votes
2answers
133 views

How to obtain a log of all trades done on the Nasdaq or other major US exchange?

I'm looking to do a research paper on the impact of high frequency algo-trading on individual firms. In order to do that I need to be able to determine firms that have been high frequency traded. My ...
2
votes
1answer
44 views

Which anomalies are easy to replicate in an event study?

In order to examine different approaches to event studies, I am looking for a market anomaly which is simple to replicate in an event study for demonstration purposes. For example, ...
0
votes
2answers
158 views

Investment: Bond vs Equity

I was talking to a friend recently and he asked me the following question. If I have a device which perfectly (with 100% accuracy) predicts that both a bond (e.g. AAA rated government bond) and the ...
0
votes
2answers
219 views

Who holds stock overnight?

I have heard from several different sources, e.g. professors, books and traders, that daytraders and quants avoid holding positions overnight and during holidays and weekends. Instead, they sell their ...
4
votes
0answers
164 views

ERP and FF 3-factor model

In a more conservative estimate than a simple historical average, Fama & French estimate (US) equity risk premium at 3-4% (e.g., Equity Risk Premium, JF, 2002). This suggests that in an APT-like ...
0
votes
2answers
213 views

Downloading most recent stock prices

I would like to download (from Google) the most recent prices for a series of stocks. I have created a portfolio at Google and I can click on "Download to Spreadsheet". That works. But I would ...
6
votes
3answers
621 views

Testing the validity of a factor model for stock returns

Consider the following m regression equation system: $$r^i = X^i \beta^i + \epsilon^i \;\;\; \text{for} \;i=1,2,3,..,n$$ where $r^i$ is a $(T\times 1)$ vector of the T observations of the dependent ...
4
votes
1answer
229 views

Historical Financial Statement to Backtest in R

I would like to preface this by saying I am preparing for an upcoming internship this summer so I am extremely new to Quant Finance. At my university we have access to Datastream by Thomson Reuters ...
2
votes
1answer
76 views

What are the units of the variables appearing in a standard stochastic differential equation for a Wiener process?

The Black Scholes model assumes the following form for the Wiener process describing the evolution of the stock price S: $dS=\mu S dt + \sigma S dX$ Clearly $S$ ...
5
votes
1answer
844 views

Backtesting with fundamentals

Recently I've read some books about quantative approach to fundamental investing: - What works on Wall Street - James O'Shaughnessy - Quantitative Value - Wesley Gray, Tobias Carlisle - Quantitative ...
1
vote
0answers
89 views

Review of Excel Stock Simulator

I am currently a senior in high school and I built a stock simulator using knowledge gained from a semester of AP Statistics. I was wondering if someone could tell me if my simulation is ...
1
vote
2answers
5k views

How to normalize stock data

Please advise how can i normalize stock prices. Recently, I've been using such formulas: Log prices = Ln(Close(t)) Close(t)-Mean (Close(t)-Mean)/(StdDev) Ln(Close(t))-Mean Is there any other ...
0
votes
2answers
152 views

float64 to store price data: is precision sufficient?

I am looking to store equity price data in a hdf5 table. The use will be purely as a historical archive, not as day-to-day data source. Options One option would be to store base10 significand and ...
5
votes
3answers
1k views

Why are interest rates and stock prices positively correlated?

If I've been looking at graphs correctly, there is a strong positive correlation between stock prices (or P/B values) and interest rates over time, i.e. P/B values tend to be high when interest rates ...
21
votes
9answers
10k views

Any known bugs with Yahoo Finance adjusted close data ?

Yahoo Finance allows you to download tables of their daily historical stock price data. The data includes an adjusted closing price that I thought I might use to calculate daily log returns as a ...
3
votes
2answers
338 views

Validity of CAPM

I came across some literature regarding "Framing Theory" or "Prospect Theory", and the validity of CAPM. I was wondering if you could shed some light on a few questions I have in this regard: ...
2
votes
0answers
75 views

seasonality and generalized additive model

I am reading a report which talks about seasonality. There is a chart showing the average returns for each month of the year. In the chart it appears the last 3 months of the year tend to be negative. ...
0
votes
1answer
71 views

finding the strike / maturity of warrants given their ISINs

I have a list of French traded warrants identified by their ISINs. I do not know, however, to which stock they refer and what is their strike/maturity. Which datasets allow me to retrieve this ...
0
votes
1answer
225 views

Level II market data (equities)

I have been playing around with some equities historical market data and I understand that different exchanges have different definitions of what Level II (Limit Order Book) data means. What I'm ...
2
votes
3answers
265 views

List of Stocks by Sector

Does anyone know where I can find a list of all stocks traded on the NYSE in a table that also includes what sector they are in? I want to look at some data using info both from the individual stock ...
0
votes
1answer
218 views

Why most of apple stock price since 10years have been gained overnight?

I've been playing with stock data and I've discovered a terrible truth : in 10 years apple stock price passed from roughly 3\$ to 100$. However this gain isn't due to intraday price variation ...
5
votes
3answers
3k views

Quick way to check what 'tape' a stock belongs to?

For the SIP feeds, there is the CTA and the UTP plan and they cover Tapes A,B and Tape C respectively. Is there an easy way to check on google what tape a stock would belong to? Particularly when it ...
0
votes
3answers
154 views

Calculation of weekly P/E ratio

The P/E-ratio is defined as $$ \frac{\text{Market value per share}}{\text{Earnings per share (EPS)}} $$ I have weekly observations of stock prices, but what measure should I use for EPS? Should it ...
2
votes
1answer
207 views

Predicting stock returns - in a panel data specification or by using portfolio formation strategies?

I'm working on an empirical analysis where I try to predict stock returns using weekly data. Ideally, I would like to use a panel data model like the following: $$ ...
0
votes
2answers
288 views

Explanatory variables for regression predicting weekly stock returns

In an empirical analysis I'm trying to predict log() weekly stock returns. I'm trying to model stock returns in a panel data model framework. As explanatory variables I have 1) a measure of investor ...
3
votes
3answers
397 views

Measuring historical earnings surprises, their frequency and severity

This is my first post to Quantitative Finance, so I hope my question is formatted the right way. I am starting to research the effects of earnings surprises on certain equity indices. Is there a ...
0
votes
2answers
192 views

Calculation of price momentum using weekly price observations

In an empirical analysis I'm trying to predict stock returns using different firm characteristics. I would like to use price momentum as an explanatory variable, but I'm not quite sure how to ...
2
votes
2answers
271 views

How to classify stocks by their volatility?

I would like to hear other possible ways of classifying Stocks by the Volatility of their returns. Assuming that I want to characterize each stock as Low, Medium or High Volatility Stock and assuming ...
1
vote
2answers
209 views

M&A hedging an equity portfolio against an index

Quick Note This question was already posted under the userID user8170. Reason being I could not access my account. Now I am able to login to my account I am reposting the question here and will ...