# All Questions

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23 views

### What are the main types of orders on an exchange?

I'm currently reading Michael Lewis' Flash Boys, which is about high-frequency trading. It was published in 2014 and it says that there are 150 types of orders on exchanges (mainly built for HTF ...
25 views

### Can one successfully daytrade 0dte options based on RSI?

I've been doing that manually for 2 months successfully (40% ROI) with SPX 0-1 DTE (Days To Expiration) options, both puts and calls. I might be just lucky so I purchased some data to do backtesting ...
26 views

### Are asset return means difficult to predict because they have no lower bound?

In finance, it is widely known that the volatility of asset returns ($\sigma$) are easier to predict than the expected value of asset returns ($\mu$) , otherwise known as the average return or mean. ...
7 views

### Backtesting conditional VaR

I'm writing a thesis about conditional VaR of Standard & Poor's 500 index. I have fitted my log-returns with GARCH(1,1)-proces and then made some conditional VaR-forecast (500 observations) with ...
107 views

Are there institutions that will fill stock trades after the close (from stock on their order book) at the official close price? If so, would it be significantly more expensive to execute a trade this ...
11 views

Is it possible to use bid-ask spreads on contracts from a specific tenor to estimate risk aversion and use it to transform risk-neutral density into real-world density?
38 views

### Converting time bars to tick bars or volume bars in python

Recently I've started reading Advances in Financial Machine Learning by Marcos Lopez de Prado. In the second chapter the author defines some essencial financial data structures, like tick bars, volume ...
38 views

### What's the difference between Statistics and Econometrics?

I can't really grasp the similarities and differences between Statistics and Econometrics. Is Econometrics includes every Statistical models inside it? or is there areas of Statistics outside of the ...
15 views

### Historical data for global stocks

Where are companies like finnhub.io or finance portals getting their data from? Do they fetch the historical stock quotes from the exchanges directly? If so, the have to collect the data from a lot ...
26 views

### Is there a simplified framework to consider for modelling the stock market?

Does anyone know a reference where one can read up on different aspects of modelling when simulating the stock market? i.e what is known as "stylized facts" and which of these fact that are more ...
38 views

15k views

### Symbols for DAX from Alpha Vantage

I found the website https://www.alphavantage.co as an alternative for yahoo finance stock API. I am interested in the top 30 DAX symbols, but I seem to cannot find them on Alpha Vantage. Is there a ...
30 views

### Tick by Tick stock data

let's suppose a stock 'X' is quoted in a particular market with a specific bid and ask price. I would like to see for all transactions within a day on stock X: The transaction time (in milliseconds) ...
79 views

### Exposure/Factor Analysis on a loan portfolio?

I am working on performing factor analysis on a loan portfolio. This is my understanding so far, and I was hoping that some of the smart folks here might be able to chime and guide me through this ...
38 views

### Modeling regulations of middlemen

I am searching for some paper that models the regulations of market makers in stock or OTC markets. Is there anybody who have seen some marekt microstructure paper for modeling regulations and what ...
216 views

### where does the cost of delta hedging come from?

I am reading John Hull's book, and am a bit confused about the explanation regarding the cost of delta hedging. Here is the background: a financial institute is selling call options with strike price ...
20 views

### The discontinuity when applying the combinatorial purged cross-validation

In Marcos Lopez de Prado's book, Advances in financial machine learning, he recommends using the combinatorial purged cross-validation(CPCV) for backtesting. His motivation is sensible. Through the ...
30 views

### How do you build a model with uncertain time range?

Let's say you want to test the hypothesis that given a signal reaches some threshold, some asset will have some return over the next period. Here we have two unknowns. One, the value of your ...
37 views

### Does asset volume, rather than asset returns, predict performance?

Asset returns are the most common data type used in finance. They are derived from closing price data. Ordinary level 1 data for stocks not only consists of closing prices, but also gross volume ...
34 views

### What is the difference between ^GSPC and ^SPX in yahoo finance?

I have understood that both display the same valute (S&P 500) but in ^SPX there are more option's data (more expiries).
16 views

### In BS model, is there a way to show that the risk-neutral Q is unique without using MRT nor the fact that the market is complete?

In Black-Scholes model, is there a way to show that the risk-neutral probability measure is unique without using the martingale representation theorem nor the fact that the market (in BS model) is ...
24 views

### Accurate day trading environment model using model-base methods

There are several different angles we can classify Reinforcement Learning methods from. We can distinguished three main aspects : Value-based and policy-based On-policy and off-policy Model-free and ...
25 views

### calibration of correlation in vasicek model

how can I calibrate the correlation by numerical integration of the normal bivariate distribution assuming that the standardized asset returns of two firms are described by the single-factor Vasicek ...
36k views

### Where can I get historical fundamental data for multiple companies in a single CSV file?

Summary I seek an explicit reference to a source that gives me a fixed URL, e.g. http://example.com/?isin=US1912161007 or ...
14 views

### Help me understand how to calculate a laspeyres index

I'm trying to write a small software to calculate a laspeyres, as an exercise, but not having a finance background it's a bit hard to understand some stuff. I'm having problems calculating this ...
3k views

### Cleansing covariance matrices via Random matrix theory

I am exploring de-noising and cleansing of covariance matrices via Random Matrix Theory. RMT is a competitor to shrinkage methods of covariance estimation. There are various methods expressed usually ...
23 views

### n day ahead forecast for assymmetric DCC model

I am working on forecasting covariances with the use of MGARCH models. I was wondering if anyone knows how to implement a n-day ahead forecast of the aDCC (assymmetric DCC) model in R. The rmgarch ...
39 views
+50

### Optimization on D-Wave quantum annealer (application in finance)

Does anybody know wheter any bank uses D-Wave quantum annealer for doing optimization? Quantum annealers are single purpose quatum computers used for optimization. They implement quantum simulated ...
463 views

### bank issuing structured products

"The investment banks supplying structured products were effectively buying options from investors" How to understand this quote from this source? I would think the investors are usually had (long) ...
69 views

### Which metric is most predictive: Mean, Sharpe, Calmar, …?

Suppose you have created a new trading algorithm: by varying the params of the algorithm, you get a large number of similar trading strategies (e.g. slightly different trigger thresholds, stop loss ...
177 views

### Why worry about fat tails, if you can use stoploss?

Sorry this might sound a silly question, but -humbly- I don't understand why models assume that returns range from [-∞,+∞] instead of [-stoplimit, +takeprofit]. A common objection to most models is "...
26 views

### Can a pay-for-order-flow wholesaler front-run orders it sees?

An argument I often hear (which was repeated here) against sending orders through "pay-for-flow" wholesalers is that those wholesalers can potentially determine if you are an "informed" trader (as ...
5k views

### Alternative to tradertest.org for mental math practice

The most recommended resource for preparation for Optiver's math test is tradertest.org. But the website is down. What are the closest alternatives to it? Although this question has been asked on ...