# Questions tagged [charts]

The tag has no usage guidance.

20 questions
82 views

### Dynamically adjusting the size of a Constant Range Bar (on an intraday fx chart)

Constant Range Bars (CRB) is a type of candlestick charting method that does not draw a new candle every unit of time (like every 1/5/15/30 minutes), but every time the range (high-low) of the ...
230 views

### Compare stock chart series in Python Highcharts

I am using pandas-highcharts which is a wrapper for Highcharts in Python. When using the type=stock, I'd like to be able to compare two series in the chart by percentage change dynamically based on ...
388 views

### Calculate Exponential Moving Average for a specific time frame

I am writing code to calculate and plot the Exponential Moving Average(EMA) for different chart timeframes(tick/1M/5M/1H etc). I found the formula for calculating EMA: EMA = Price(t) * k + EMA(y) * ...
321 views

### R, Performance Analytics, How to chart continuous line with non continuous data?

In R, with Performance analytics package, I am trying to chart multiple cumulative asset returns from an XTS object. The thing is that I miss some data from some asset returns so that the graph given ...
323 views

### In R, Performance Analytics package, chart.Drawdown, plot several drawdowns curves on the same plot

Dear Stack Exchange community, Using Performance Analytics package, chart.Drawdown, I would like to plot several drawdowns curves on the same plot to be able to visually compare them. I know how to ...
887 views

This seems like a very basic question, but the Internet does not seem to know, so: If you have a stream of bid, ask, and last trade prices, how do you convert those into periodic open/high/low/close ...
565 views

### Scale prices in multiple stocks for comparison

I have a chart with prices of multiple stocks. The problem is that some prices are below 100 while others are above 1000, so the chart is really ugly. How do I compare historical in multiple stocks, ...
86 views

### What is the name of all 1-day movements, 2-day movements etc

When looking at historical data (index or stock), one can find all 1-day differences/movements, all 2-day, all 3-day etc and graph the extremes of each of these. This gives two line graphs forming a ...
77 views

### Where can I find free single-day charts for the S&P 500?

I'm trying to find free historical charts of the S&P 500. I don't need the raw data, I just need to access a simple chart showing the movement of the index over the course of the day (for an ...
79 views

### Which is best chart for intraday trading & how to use it? [closed]

I have new learner & want to make trading as my full time work. I read some articles on charts, that helps to buy or sell shares. Pls tell me, how to read charts & buy or sell shares using ...
380 views

### Portfolio Return Contribution by Sectors

I have a table containing the following fields: Date, PortfolioReturn, CashReturn, Sector1Return,...,Sector10Returns 'PortfolioReturn' is the sum of CashReturn + return contributed from 10 market ...
449 views

### Technical analysis - Calculating Aroon Indicator Serie

I'm trying to build a class to create Aroon series. But it seems I don't understand the steps well. I'm not sure about what purpose I have to use the period parameter. Here is my first attempt: <...
3k views

### Scan for chart patterns software

Is there any software out there that currently would allow you to scan historical charts and look for a specific pattern and then show you that pattern for a list of stocks. Google finance and yahoo ...
91 views

### Equity Chart - design and granularity

I am looking to build a web based Equity chart to display performance of FX trading strategies. I would like to hear opinions and advice on a few areas that I am unsure about. Granularity Equity ...
336 views

### Which are the popular free/open-source charting controls?

Recently i've tried SciChart and VisiBlox - beautiful charting tools. Is there any free or open-source tools for visualizing charts on C#? Thank you for answers.
17k views

### Calculating Bollinger Band Correctly

My bollinger band comes out like the below, which doesn't seem right. Any idea what is wrong with my code for calculating upper and lower bollinber bands? I obtained my data from here ...
1k views

### Why does the SMA and EMA appear to be relative to the timeframe?

Why does the value of the SMA and EMA for the current time appear to change when I change my timescale. I'm using ActiveTrader by Fidelity, but I'm hoping there's an general phenomenon so that someone ...
2k views

### Usage of Bollinger bands

I looked through several sources on Bollinger bands and I do not see clear recipes of their usage. Wikipedia says "The use of Bollinger Bands varies widely among traders. " QSE discussion seems also ...