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5
votes
5answers
248 views

Why was NASDAQ(or other index) not fluctuating in 70s and 80s?

Today I have a search of historical NASDAQ back to 70s and noticed the index was slightly increasing in 70s-early 90s and rising up and down in recent decade of years. Why would that happen? The only ...
4
votes
2answers
2k views

How to account for bid/ask spread when backtesting?

I'm backtesting an algorithm for trading nasdaq stocks, and would like to take into account the spread. I am using historical data from yahoo, which contains: open, high, low, close, volume, adj. ...
4
votes
1answer
117 views

Availability of TotalView-ITCH data

I am looking for a cheap (< $500) NASDAQ TotalView-ITCH real-time streaming data feed. Are there any cheap and (relatively) good market vendors out there that offer this? It seems as if the ...
4
votes
2answers
168 views

Nasdaq trading under the scenes: market makers, ECNs, brokers. Who buys from and sells to whom?

U. S. Securities and Exchange Commission (SEC) defines market maker as: "A market maker is a firm that stands ready to buy and sell a particular stock on a regular and continuous basis at a publicly ...
4
votes
1answer
175 views

How to properly cross-validate when optimizing SVM classification?

I'm using SVM binary classification to predict movement of NASDAQ stock prices. My question is regarding cross-validation. I will divide the training data into V subsets. Training will be performed on ...
2
votes
4answers
520 views

Trader's identity in a limit book

In a limit book like NASDAQ ITCH, can liquidity suppliers know the demand-side identity of a trader prior or after a trade? Knowing this will help me with my theoretical model that I am trying to ...
2
votes
4answers
377 views

List of central index keys (CIK) for NASDAQ and NYSE

I have seen this post : Central Index Key (CIK) of all traded stocks But I would like to download the CIKs only for NASDAQ stocks, NYSE stocks etc. I searched online but only managed to find CIKs for ...
2
votes
2answers
313 views

constructing best bid/ask from NASDAQ TotalView-ITCH data

anybody know how to construct a intraday stock price from NASDAQ TotalView-ITCH data? I would need to know the price in millisecond, so I would need two rows: timestamp (for every millisecond) and ...
2
votes
1answer
50 views

What is the cheapest way to connect to Nasdaq for market data and trading *electronically*?

I would like to connect to Nasdaq to execute some simple automated strategies. I am NOT a big bank or hedge fund, so paying a high monthly fee is impractical. Is there a way for a small startup or ...
2
votes
1answer
148 views

Tracking delistings on NASDAQ & NYSE

Does anyone know of a webpage (or webpages) of current delistings for NASDAQ & NYSE?
2
votes
0answers
30 views

Helpful references for fully understanding the mechanics of NASDAQ's auction system?

I've read about this before on their website directly and via this ITG paper. nasdaq site itg paper But I was wondering if there are any other good references I can supplement my understanding ...
1
vote
1answer
50 views

Percentage of Russell 2000 stocks listed on NYSE and Nasdaq?

Is there a way to find out how many of the Russell 2000 stocks are listed on the NYSE and how many on the Nasdaq?
1
vote
1answer
45 views

Listed companies on NASDAQ

Where can I find a list of listed companies on NASDAQ from 2000 to 2014?
1
vote
0answers
33 views

Where can be found the tick size list for stocks traded in NASDAQ and NYSE?

Answering this question is relevant to assess the quality of a time series in order to observe whether the data vendor applies some rounding to the data or is more decimal are present than the actual ...
1
vote
0answers
53 views

How to choose the stock exchange to trade a stock?

Let's take an example : Hewlett Packard. The company is listed on both Nasdaq and Nyse. Correct me if I am wrong but as we can trade it on 2 different stock exchanges the price of the stock may ...
1
vote
0answers
27 views

Unexplained delimiters in Nasdaq ITCH file

I'm working on writing an order book constructor for Nasdaq ITCH v5 files, and I'm noticing some occasional message identifies/ delimiters that are not included in the ITCH5 specification, ...
0
votes
1answer
88 views

Difference between Tick data and NASDAQ ITCH VIEW [closed]

Could any one explain the difference
0
votes
2answers
99 views

Where can I download the history of dividends for Nasdaq?

I want to download the annual dividends(regular,special and repurchaces) for all stocks at Nasdaq for 5 years. Does anyone know where can I find it? Thank you
0
votes
0answers
42 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 ...