# All Questions

28 views

### y-axis unity of density probability function

What is the unity/interpretation of the y-axis of a density distribution function? The X-axis is the values of the random variable, the area is the probabilty what about the y-axis ?
439 views

### API-based equity screeners?

I know there are APIs from different brokers that allows you to trade and also obtain information about specific companies, but I wonder if there are equity/asset screeners that are API-based and can ...
249 views

### Hedging future USD cost using different IR and forwards

I am facing a problem where I suppose an expense in 6 months from now of 2,500USD. My home currency shall be EUR, and I am trying to hedge given the following information. ...
89 views

### Where can I find a guide to implement the FAST protocol from scratch having already a FIX implementation ready?

I need to implement a FAST engine from scratch without using any open source or commercial FAST implementations. The FAST spec does not help much so I am not sure from where to start. Have anyone done ...
106 views

### Choosing broker to run with Zipline

Which brokers offer Python integration/API? Which brokers offer R integration? I'm starting on trading, and I want to learn about algorithm trading. So I would like to know what brokers offers these ...
151 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 ...
113 views

### What makes investors risk averse?

There are some regularly-occuring events that coincide with a rise in the implied volatility of an asset. For example, in advance of an firm's annual earnings report, it is typically expensive to buy ...
129 views

### Constructing Volatility Smile from Implied Volatility & Delta

I have implied volatility data for call and put options (expiring in 1 month from any given date) for a particular stock. In addition, I have the delta for the options. However, I have no information ...
82 views

### Yahoo OHLC data reflects nonexistant stock split

Can anyone explain why the OHLC data I'm getting from yahoo appears to reflect stock splits during times when no significant corporate actions have occurred? For example, I'm looking at ABT and yahoo ...
85 views

### Contribute to Finance related projects [closed]

I am currently a student and in the future would like to work as a software developer for a financial institution such as Bloomberg, Factset etc. I was looking to contribute to some open source or ...
140 views

### Is there a trustworthy ranking of quantitative finance degrees?

I'm interested to know if there is a trustworthy ranking of master's degree in quantitative finance. I'm specifically interested in some recruiter's perspective or experience, if available. I ask ...
258 views

### News on ETF sector performance

I am interested to find historical news (if any) associated with intraday volatility burst in a particular ETFs like ishares IYF (Financials). So say that between 12:00 - 12:10pm, the ETF IYF's stock ...
264 views

### What is the effect of dividend yield being greater than the risk-free rate to American options pricing?

Even though dividends are discrete, literature often makes the assumption of continuous dividends (mostly in the case of indices but the individual stocks as well). The dividend yield denoted by q is ...
375 views

### Are there providers of delayed market depth data (DOM, Level II, Order-by-Order, etc)?

I have market depth data visualization software, and I want to create a free version for introduction. As far as I know, exchanges allow to distribute their data for free for the end-users, but only ...
584 views

### Calculate bond yield in python

I want to run the newton method on a large dataset to calculate bond yield. Below is the code I created using a loop. I need to run it on ~50 million lines and the loop is quite unwieldy. Is there a ...
130 views

### How is the price of a bond actually determined?

How the price of a bond is actually determined? Is it the supply-demand that determines the price first and then the YTM is calculated on the back of this for that bond. Or is it that the changes to ...
99 views

### How to construct a deterministic trading model based on a loess (local regression) model?

Given data that has been fit to a loess model, can you make reliable decisions on future trades given a good past fit? Has anyone here done so and can give an example of their use case? I am yet to ...
33 views

### (Purchased) terminology on Net Preferred Equity Issued

I understand what we mean when we say: Net Preferred Equity Issued it is the total amount of Preffered Stocks plus their price. But does the chart mean when it says (Purchased)? What other can it be? ...
107 views

### why people want to get a continuous time series from futures data?

So for the backtesting , is it necessary to make an adjustment for the last day of the current contract and the first day of the next far contract? Even if there's is a gap, that's the actual price, u ...
192 views

### How to get permanently growing chart within PCA

I looked onto different questions and answers about application of PCA on this site and found this interesting article : ...
63 views

### Break down XIRR to different segments

Currently, I have the following transactions. ...
391 views

### Excel to Java for Interactive brokers

I have a working excel workbook connected to Interactive brokers DDE API. I am struggling to upgrade to a more robust environment like Java. I tried to change it to ActiveX for Excel but the ...
73 views

### Calculate rate of return of a stock, if there is a buy transaction occurs during the middle of financial year

Currently, I'm implementing a feature of an open source project (https://github.com/yccheok/jstock/issues/7), which requires me to calculate the rate of return of a stock. Let's take the following ...
206 views

### Getting the next price of a GBM (Geometric Brownian Motion)

I am writing a program that creates realizations of a GBM. Starting from an initial price, I get the following price with this formula: ...
213 views

179 views

### Forex trades: what time zone are trade and value dates specified in?

When receiving a value date of D from the counterparty for a trade in NZD/USD, is D assumed to be date D in Auckland date D in New York date D in UTC date D in some arbitrary time zone ? There ...
143 views

### Why does Futures contract credit and debit a position daily, if it has “locked” the price?

I thought I had understood futures contract. But it seems the daily settlements betray my understanding. Futures contract provides price & product safety to involved two parties. E.g. Wheat ...
125 views

### Why is that maximizing stock value, under uncertainty, is a better option than maximizing profits?

I've been trying to access the papers that state that kind of problem, but most of them need payment for access and I am on a student budget. I know that maximizing profits=maximizing stock value in ...
135 views

### Where can I find historical data for volatility estimation?

I'm trying to estimate volatility following Shreve book, so I need observations of $f(t_j,t_j+\tau_k)$ and $f(t_j+\delta,t_j+\tau_k)$, where $t_J<t_{J-1}<\dots<0$ and $\tau_k$ are relative ...
74 views

### Adjusting open, highs and lows for past monthly stock prices?

I'm looking into modelling monthly stock prices and want to start off by using data from Yahoo Finance. I know that the closing prices given there are adjusted for stock splits and dividends, but ...
53 views

### how market makers set the time factor to calculate option greeks on the expiration day?

how market makers set the time factor to calculate option greeks on the expiration day? does they set time equal 1/24or 2/24 when only 1hour or 2hour left? what frequency market makers update new time ...
124 views

### Can one use the Greeks (delta,gamma,theta) to show that the Black-Scholes call formula satisfies the Black-Scholes PDE?

If so, is there a derivation anywhere that shows this? I was told that this could be done in a class but I don't see how it's possible.