Attempting to profit from short-term fluctuations in a security's price as opposed to investing in the security for use or income.

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2answers
264 views

Brokers offering low-cost / free accounts [closed]

I'm attempting a "hello world" of live algorithmic trading. A script that pulls in tick data, presents it visually, and allows me to buy / sell at the press of a button. Also a toggle between { fake ...
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1answer
238 views

Why use leverage when it does not improve the risk/reward ratio? [closed]

Leverage will increase gains when things go right but will also increase losses when things go wrong. Mathematically speaking, it does not change the risk/reward ratio (or does it?). Since ...
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1answer
103 views

Trading Elasticity Research

Is there any good research on the price elasticity of trading in financial markets? Things like optimal fee structures and the like?
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1answer
172 views

Add transaction costs to prediction

An algorithm predicts price movement by some certainty and it invests proportional to the confidence level. Predictions range from -1 to +1, -1 meaning sell for a value of ...
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1answer
76 views

Market Timing Performance for a single stock

It seems there are models that study the market timing ability of funds. Models such as the Treynor-Mazuy and Merton-Henriksson. One can also study the bull beta and compare it to a bear beta. My ...
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1answer
52 views

End-of-day holdings vs overnight inventory

I am wondering whether these two terms identify the same thing: overnight inventory end-of-day holdings The way I would explain it intuitively, the inventory that is held overnight should be ...
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1answer
153 views

what is considered material information? [closed]

I'm trying to understand what is considered "material" information held by an executive of a company. There is company information that an executive (say insider) will know that a public investor will ...
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1answer
185 views

Penny jumping in the direction of the price

Reading through examples of legal front running, I'm struggling to understand how "penny jumping" (http://www.wikinvest.com/wiki/Front-running) can be profitable. Suppose stock ABC is trading at a ...
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2answers
576 views

Evaluating forecasting algorithm

I am trying to evaluate a forecasting algorithm for stock price prediction. However, the performance of the algorithm may be very much tied to the trading strategy. Is there a systematic way for ...
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1answer
556 views

Arbitrage between markets

I'm trying to understand how arbitrage works, but I'm having some difficulties based on some restrictions: I have markets A, B and C. The currencies that are traded are X <-> Y, and X <-> Z. ...
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0answers
67 views

Match different option high frequency databases

I downloaded the “E-mini S&P 500 (Dollar) Options for 1/10/11” Top-of-Book (BBO) data. If you are interested you may download the data from the following link (approx. 80MB zipped and 1GB ...
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0answers
87 views

Application of time series analysis to Bitcoin prices

Various exchanges allow for the trading of Bitcoins. The price of Bitcoin was very volatile since the inception of the system, today it is 391.76 USD: I wonder whether time series analysis tools ...
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0answers
40 views

What time do bond traders come into office in morning in New York? [closed]

When I worked on bond desk in we need to be there 8am est. Is this typical ? Seems late to me as some markets open 8am like the Canada bond futures. Treasuries futures open 820am. I work at hedge ...
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58 views

What are the best online platforms to hire a quant? [closed]

I have already written the base of a trading algorithm, however there are some optimisations that I would like to add that might be best programmed by more experienced quantitative programmers. This ...
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0answers
34 views

What is the minimum price change required for a trading position increase of 1?

Suppose I have a trading system that calculates the daily risk adjusted position from the annualized risk, that is, the standard deviation of the returns of a stock over an arbitrary period of time. I ...
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0answers
37 views

Choosing Optimum Sampling Frequency

There was an interesting post made by Jonathan Kinlay where he discusses the use of a Fourier Transform to discover a potentially optimum bar frequency to choose as an input to a trading system. I am ...
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0answers
35 views

Major categories of tradable securities and the ETF's that track them?

I'm just starting to learn about quantitative finance and I'm overwhelmed by the amount of tradable securities out there. I'm seeing all these things like VXX, TLT, TMF, SPY, SPXL, HYG, VWEHX and so ...
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0answers
66 views

ISM PMI data - sector trend through ranking and seasonal decomposition

I have monthly data for each of the 18 sectors in the ISM PMI. Each datapoint shows the trend of a sector: growing, contracting or neutral. It also tells the strength of that trend with a number: ...
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0answers
26 views

Stochastic Optimal Control for ratios

Do you know any good papers on methods of Stochastic Optimal Control and Hamilton-Jacobi-Bellman(HJB) for optimization of different ratios(Sharpe, M2, Sortino, Sterling, etc.)? Meaning that using ...
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1answer
182 views

How to projectP&L or drawdowns on pair trading , trading and portfolios? [closed]

This is for planning and risk management. I am stuck on the following thoughts - Back-test the trading strategy for a period similar to the one you expect and then project. Do the above using ...
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0answers
216 views

trading strategy outperforms passive strategy in absolute terms, but in returns vice versa. how could this be?

Background: I want to compare two trading strategies in term of profitability. The red one is an active trading strategy, which involves many entry and exit to a specific market. The blue one is a ...
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2answers
144 views

How can index futures trade 24/7 when the index doesn't change?

I have read that the E-Mini S&P 500 Futures trade 24/7, how is that possible? I mean the underlying stocks which form the index are traded from 9:30am-4pm - so outside of these hours the S&P ...
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1answer
188 views

source for yahoo finance equities volume traded

I am looking at some academic studies regarding volume of stock traded. Yahoo Finance is used as the data source for volume. Does anyone know where the volume figure comes from? Is it a compilation ...
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2answers
586 views

Orderbook Arbitrage

The order-books of trading exchanges are often hidden as so-called "Dark Pools". The measure was taken to avoid apparent market manipulation strategies executed by traders back then. Which such ...
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3answers
70 views

How can a share price be different on its open than it was on the previous close?

The changing in price of shares are down to the number of people buying or selling stock. So, if there is a large demand for a stock then the share price will increase, and if there are lots of people ...
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2answers
241 views

Can selling put equity options be a good business?

In one of his last books Jack D. Schwager suggested that selling equity puts can be a good business. The puts are like insurance policies against market downturns and there is a natural demand. ...
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209 views

Interpretation of PCs

I have computed PC1 and PC2 wts on future contracts derived from cumulative log differences. How can I use them to get back the theoretical price of each contract using those 2 pcs? Thanks in ...
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3answers
88 views

What is meant by “position at a given time” in the context of a series of forex trades?

Suppose you are only talking about a single currency pair, say EUR/USD. Throughout some period of time, you engage in trades with various other parties, sometimes buying, sometimes selling. The rates ...
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1answer
601 views

Selecting timeframe for time series analysis

In technical analysis, we may use confluence of direction for 3 timeframes to roughly gauge bias of market now. Similarly, if we use time series forecasting methods to predict(say daily data-whether ...
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2answers
140 views

Johansen test on two stocks (for pairs trading) yielding annoying results

I hope you can help me with this one. I am using cointegration to discover potential pairs trading opportunities within stocks and more precisely I am utilizing the Johansen trace test for only two ...
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4answers
98 views

How can one get broker order data?

Is there any chance to get order data from any broker with a label from which account it came from? The accounts can be anonymized, i just need to identify an account's orders sent. Any help will ...
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1answer
247 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 ...
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1answer
797 views

Gamma and delta P&L example question

I'm trying to get a basic understanding of this example delta ladder ...
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2answers
208 views

Historical data resources for Indian market

What is the best source for historical EOD data for Indian stock market? The data from Yahoo finance for some companies is not up-to-date and Google finance doesn't provide adjusted close prices. What ...
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1answer
437 views

IB with R which package?

I want to implement my models in R and trade according to them with my IB account. Now I am wondering, how I should solve this problem? Do I need to program with C an access ...
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1answer
209 views

What would be the impact of the US Credit Rating downgrade on Crude Oil Prices? [closed]

From a modeling point of view, here are my primary assumptions for Monday: a) I would expect the US$ to depreciate and crude oil to rise in the long term. b) Expect crude oil to dip in the short run ...
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0answers
38 views

How necessary is real analysis and complex analysis for trading at hedge fund levels?

As the title states, I am basically wanting to know the applications of real/complex analysis in finance. How important are such high levels of math ? I can obviously see how things such as ...
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1answer
68 views

Who Uses American Options?

...in other words, why would a person want to have the right to exercise an option early? What advantage does that really give you? Are Euro-style options not good enough for some people? Who are ...
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0answers
29 views

Get list of all stocks ever listed on NASDAQ

I'm looking to compile a list of all stocks/symbols ever listed on the NASDAQ, not just the currently listed stocks. Alternatively, a list of all delisted stocks would also suffice. Preferably, I'm ...
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0answers
26 views

consensus on Trading Costs in Empirical Papers

Is there some consensus in the literature to model trading costs when going short/long SPX options? Like 2% trading costs to switch from short to long and vice versa plus 20% (just an example) margin ...
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0answers
31 views

short term trading does it really add value and to whom?

Short term traders who flip their stocks within 5-10 minutes, do they really add value to any one? Text book answer is yes, they help price discovery and provide liquidity. Within that 5 minutes ...
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38 views

How does a stop loss affect the P/L of a trader

In his book 'Dynamic Hedging', Nassim Taleb writes: Problem: A trader is given a stop loss of 100,000 in any given month (he would have to close his books and go home until the end of the month). ...
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124 views

Java Implied Volatility Solving with Newtons Method

Hi I am currently working on implementing my newtons method to guess implied volatility and I have the same code as you do. However, my vol result goes to infinity and I have not figured out why my ...
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0answers
51 views

How to compute return of a variance swap?

How does one calculate the investment of a zero initial investment asset, specifically a variance swap? In this asset the payoff is given by the difference between the realized variance in a certain ...
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0answers
83 views

% Return on backtest with variable positions and notional amounts

I have a 14 year backtest for a systematic strategy that uses a static notional per each position. On any given day I could have multiple positions long and short and notional long and short. How do ...
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1answer
2k views

Can end-to-day trading be profitable? If not, why? [closed]

Many academics argue that end-to-day trading, where you go long or short before opening and sell your security at the end of the day, is not profitable. Various explanations are given for this ...