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Questions tagged [market]

The tag has no usage guidance.

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5answers
501 views

What actually drives a stock price up ou down?

Can someone please explain to me how stock prices go up and down? What are the underlying physical and information technology phenomena and algorithms that drive a stock up or down? Books just say ...
0
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2answers
80 views

Order books theoretical price

Suppose we have the following bid/ask spread for a particular stock: What is the theoretical value of the stock? Now suppose we have: What is the theoretical value of the stock? Now suppose a ...
1
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1answer
26 views

Demand Function

I have seen the following demand function $q=a-p+c\bar{p}$ where $p$ is the price, $\bar{p}$ is the so called "average price". The values $a=1-c$ are competition parameters. I have basically two ...
1
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1answer
94 views

Exclusion of Utilites and Financials in Magic Formula

In Joel Greenblatt's magic formula, see https://en.wikipedia.org/wiki/Magic_formula_investing, why are utilities and financials excluded? What is the reasoning behind this?
1
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0answers
70 views

Market Risk - Trading and Banking book in light of Basel III

I can not understand whether Basel III (in the part of market risk) applies both to Trading Book and Banking book or just to the first one. I have read that for what concerns Banking book you only ...
0
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2answers
386 views

How does after-hours trading affect the next session prices? [closed]

I just read about after-hours trading (and here ), but remain unclear as to what happens to the price level of the next open session. In other words, Do the prices change during after-market hours? (...
0
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1answer
99 views

How to download only amex and nyse data from CRSP?

I am a beginner and I have a very elementary question, but I don't know where to find the answer! I am downloading the CRSP monthly stock files for 20 years. I ...
0
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1answer
122 views

Equivalent Martingale Measure result Hull?

I've been reading Hull's chapter about Martingales and measures where he states that if you have the dynamics of two securities as follows: \begin{align} \frac{df}{f} = (r + \lambda \sigma_f) dt + \...
5
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2answers
169 views

SPX Trading Capital: What happened on December 5, 2016?

(I am not certain if this is the correct Stack to post this question.) What structural changes, legislative or otherwise, took place in 2016, such that on Dec 5, 2016, the Trading Capital (Price*...
1
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0answers
47 views

Market Profiling open source packages or tools

after reading the book Mind Over Market by Dalton I was wondering if there are any open source packages for Market Profiling (the technique developed by J. Peter Steidlmayer for representing price ...
0
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2answers
327 views

is there any alternative to FIX protocol

I have heard that FIX is one of the most widely used protocols for communication of securities exchange systems (correct me if its not!!). My question is: is there any other well known protocol like ...
6
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1answer
255 views

Control for non-synchronous trading in correlations

I am trying to replicate some results from the Betting Against Beta paper by Frazzini & Pedersen. In section 3.1, Estimating Ex Ante Betas, they illustrate their approach to correlations: [we ...
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2answers
108 views

Understanding the downsides in of trading in smaller exchange

I've been algo trading a small portfolio within NYSE for about a year now. And while do end up running positive P/L results are far from spectacular. I ran a test using my strategy in OMX Stockholm ...
1
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1answer
137 views

Why change numeraire for the LIBOR Market Model

There are two form of LIBOR Market Model that has a drift introduced. I would like to know in plain english explanation why do practitioners use these changes of measure. Are there any significance to ...
3
votes
0answers
191 views

Variance swap “fast” models

As far as I understand, Variance Swap (VS for short) function as follows : no payment when entering the contract at maturity the VS buyer pays a strike $K^2$ and is paid (by the VS seller) the ...
3
votes
1answer
266 views

Yahoo: Downloading Stock data from symbols with a period (.)

Hi: I'm using R to start learning about quantitative finance. I'm good at R, just learning finance. Some stocks on the TSX have periods in their names, usually indicating that it's a class B share, ...
0
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0answers
52 views

Methods for modelling price shocks

I am doing stress-testing of central counterparties, how a price shock affects them. The central counterparties calculate the required collateral based on a "normal" market, the distribution of the ...
3
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3answers
4k views

How reliable is data from CSI Market?

I am finishing up a reference guide for my graduate students on key financial ratios. Would like to include S&P 500 current metrics in my guide. But need to know how reliable is this company CSI ...
1
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2answers
670 views

How could I become a market maker in forex/equity market?

By being a market maker, I mean when I post a limit order, someone could take your order. For example, suppose during this second the bid-ask is 1,1.01 constantly and I posted a limit order to buy at ...
1
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1answer
107 views

What just happened in the market?

How can a day trader figure out what event might have triggered a sudden spike in volume that occurs after hours? Example: a quarter past midnight (NYSE time), the ES Dec 2016 future is crawling ...
0
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1answer
47 views

Definition of the bubbles and crashes

can anyone help me to explain how the following model works? In this formula $P(t)$ is a price at time $t$ and $F(t)$ is the residual noise term. The $\omega(i;T_i)$ and $P_{o}(i;T_i)$ are ...
6
votes
1answer
11k views

Understanding the GDAX price chart [closed]

I'm a beginner looking at the USD-BTC price chart on gdax: https://www.gdax.com/trade/BTC-USD It looks like this: I'm trying to work out what the top graph means. Can anyone tell me what each of ...
2
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1answer
1k views

Creating a Beta-Neutral Portfolio

Given a portfolio of assets (say 10) and trading signal (1=Hold): ...
0
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2answers
76 views

What kind of indicators would you look in the market preceding a recession/crisis?

What kind of indicators may have predicted the upcoming financial crisis in the 2000 or 2008?
3
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1answer
164 views

Interpretation of Risk Premium for Schwartz one-factor model

I have to deal with this one-factor model: \begin{equation*} \begin{cases} dS_t = \alpha \bigl(\mu - \log(S_t) \bigr)S_t \, dt + \sigma S_{t} \, dW_t \, , t \geq 0,\\ S|_{t=0} = S_0 > 0, \end{...
5
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3answers
253 views

How to apply the CAPM to 6 stocks from different markets?

I would like to apply the capital asset pricing model (CAPM) for selecting proportions of 6 different stocks. In introductory books, the CAPM model assumes that there is one market index (e.g. the S&...
2
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1answer
44 views

Are financial returns considered more volatile in recessionary times as opposed to expansionary times?

I need help in understanding some results that I have obtained. I am doing some out-of-sample performance analysis for different targets of volatility in mean-variance optimization where I solely ...
0
votes
2answers
87 views

How to interpret the movement of stock index futures, in regards to regular market movements

In the hours before the stock exchanges open for the day, financial news reporters often discuss the latest developments in stock index futures. I'm curious how to interpret the developments they ...
4
votes
2answers
146 views

Is complete market or not if appreciation rate is random?

Consider the stock price process satisfies the following SDE: $dS_t=\mu_t S_tdt + \sigma S_t dW_t , S_0=s $ and the appreciation rate process $\mu_t$ satisfies the following SDE: $d\mu_t=(a-\mu_t)...
0
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0answers
217 views

Is NYSE Arca an exchange or an ECN?

the US Equities / stocks market seems to be the very complicated one. And I'm trying to understand what market participants it consists of, what their roles and functions are. Also, what I'm trying to ...
0
votes
1answer
45 views

Do I calculate weights of assets correctly?

I solved attached question but I am not sure whether I did part a and c correctly. Is there a way to calculate weights of A and B by just knowing their standard deviation and correlation's value?
3
votes
0answers
155 views

How many PHD level quant are there in US market? [closed]

How many PHD (economics+finance) level quants are work here in US market?
7
votes
5answers
3k views

Under the CAPM, how do I deal with market returns being below the risk-free rate?

Let's say I'm using CAPM to estimate the cost of equity, so I need expected market returns for the calculations. The standard approach is simply to compute arithmetic mean of an index (or rather its ...
2
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0answers
2k views

How can I use Thomson Reuters Eikon to get a list of large historical companies?

I am trying to use Thomson Reuters Eikon to get a list of historically large companies, for example, what were the 1000 largest companies by market capitalization in 1990? I would like to get lists of ...
6
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2answers
365 views

Research topics - neural networks and market liquidity

I am a masters student looking for some direction on using neural network on market depth data to help predict market liquidity and bid-ask spreads. Can some of the more experienced people give me ...
1
vote
3answers
2k views

What is the difference between market equilibrium and market efficiency? equilibrium implies efficiency?

The market efficiency hypothesis means securities are traded at their fair price. If the market is at the equilibrium, does it mean the market is efficiency? If equilibrium cannot implies efficiency,...
6
votes
4answers
622 views

Why do stocks fall so quickly? Technical explanations

Why do stocks fall so quickly? China's market is down 40% in the past month ,for example. But when you look at charts of individual stocks, you see many instances of stocks giving up months of weeks ...
3
votes
1answer
544 views

How to adapt a Moving Average period to market conditions?

I would like to know if there is some way to adapt the period of a moving average to market conditions like for instance the stop loss can be adapted to market conditions using the average true range. ...
3
votes
1answer
114 views

Estimate market risk premium?

There are uncountably many factor models to estimate stock returns, such as CAPM, Fama-French, Carhart-Momentum, APT etc. Which models can estimate the market (index) return? I found only three ...
4
votes
2answers
170 views

Fama French model-small market beta (weird)

I am analyzing if good governance portfolios outperform bad governance portfolios. After dividing firms with good governance into one pf and bad ones into another for European companies I tried to run ...
0
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1answer
48 views

Calculating or finding info about the value of a market? for example Cloud Storage [closed]

I am assembling a pitch which will aim towards investors by the end of this year/beginning of next year, and I need to gather information such as how much the Cloud Storage market is worth and how ...
4
votes
2answers
3k views

What does tradable asset mean?

I see a lot of theorems related to tradable assets in quantitative finance text books. What is a tradable asset? What does 'tradable' mean exactly? Does it simply mean the asset can be bought and ...
1
vote
2answers
832 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. ...
0
votes
1answer
106 views

Calculating “Market Index Dividend Yield” of the ASX

In attempts to establish an investment portfolio with a long term horizon, the method of relative dividend yield has caught my attention. I require the Market Index Dividend Yield to proceed. The ...
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0answers
33 views

Total demand under logit model

The setting is simple, i.e. formula for demand of service/product is linear $$ d = \alpha - \beta p $$ where $ \alpha $ is maximum demand, $ \beta $ is some coefficient, and $ p $ is price. There ...
2
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2answers
128 views

Art market specificities

I am looking for some reference on the art market in light of quantitative finance. I am interested in some things: The market in general, how is it compared to financial market ? What about common ...
2
votes
2answers
232 views

What is the reasoning to derive this financial model called the Vasicek Model?

The model specifies that the instantaneous interest rate follows the stochastic differential equation $$\mathrm{d}r_t = a(b-r_t)\: \mathrm{d}t + \sigma \: \mathrm{d}W_t$$ where $W_{t}$ is a Wiener ...
4
votes
2answers
1k views

law of one price, understanding

I am reading about mathematical finance, and I was tipsed to ask the quesiton on this site. It is about the "law of one price". Just first I'll make precise the model my book uses: I have a single ...
6
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0answers
125 views

The concept of an incomplete market

While skeeming the relevant literature and web-sites I noticed that mostly the concept of the incomplete market is reduced to the following statement "A market is incomplete if there are more ...
5
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1answer
240 views

what was the quant role in the 2008 crash?

this is a complex topic that interests me, have researched myself, & is debated heavily in the media and there is lots of writing, even entire books/documentaries. maybe somewhat surprisingly, ...