Indicator
CV_VWAP_GMECoefficient of variance GME ‰
Gray area: Regional price variance of GME in per milles
Light gray thick line: NYSE:GME deviation from global mean
1. Select a chart 24-hour ticker like FX_IDC:USDEUR
2. Select a timescale (5 min, 15 min, ...)
3. Monitor the regional price variance
Exchanges included: NYSE, XETR, BMV, FWB, SWB, BITTREX, FTX
Currency conversion: Forex
Adapted from Detecting the great short squeeze on Volkswagen, Godfrey, K. (2016, February 18). Indicator
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SuperTrendRange by DGTSuperTrendRange study attempts to determine the state of the market
• whether a well-established bull/bear trend is present
• whether the market is trading in a range
SuperTrendRange (STR) takes into account the volatility of the market - further details regarding volatility can be found in the description of “Volatility Bands by DGT” study
Due to its similarities to SupertTrend (ST) and Parabolic SAR (SAR), I will try to explain by stating differences between them
SuperTrendRange uses both the ATR (Average True Range) and STDEV (Standard Deviation) as part of its calculations - unlike ST and SAR where they use only ATR
Sensitivity of the indicator is adjusted using the multiplier setting of both ATR and STDEV
Additionally, unlike ST, the source of the basis of SuperTrendRange can be selected among the assets price value or its moving average
Source and Length are adjustable too
The SuperTrendRange, like Parabolic SAR indicator, appears on a chart as a series of dots, either above, below or unlike Parabolic SAR both above and below of the asset's price
A dot placed
- below the price when the market is trending upward
- above the price when it is trending downward
- both above and below when the price starts moving sideways – this is a feature that both SuperTrend and Parabolic SAR misses, where they are known to produce false signals and losing trades, whereas SuperTrendRange emphasis the zones of the ranges occurring and in most cases are considered no trade recommended zones. Please note that the range width may vary depending on how the market is volatile. It is up to the users to trade if it fits their trading strategies
Dots plotted above and below can be assumed as Support and Resistance levels
Example usages – with trading opportunities
Gold Monthly Chart
Bitcoin Daily Chart
Disclaimer:
Trading success is all about following your trading strategy and the indicators should fit within your trading strategy, and not to be traded upon solely
The script is for informational and educational purposes only. Use of the script does not constitute professional and/or financial advice. You alone have the sole responsibility of evaluating the script output and risks associated with the use of the script. In exchange for using the script, you agree not to hold dgtrd PulseWire user liable for any possible claim for damages arising from any decision you make based on use of the script Indicator
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Exertion MeterHello traders, today I wanted to present you something special. I present you the Exertion Meter!
Created from scratch, this idea is based on a theory of mine called "Exertion".
Exertion occurs when price moves beyond the previous bar's range thus it has "exerted itself".
The idea is that when price moves a lot, it exerts a lot of energy which eventually leads to calmer motion, usually in the direction price has exerted itself.
Now, when price has exerted itself a lot in a particular direction, it's telling you that it will likely continue in that direction.
Once this happens, it will gradually calm down until price begins the cycle again, exerting itself in either the same or opposite direction.
This theory is similar to the theory of expansion & contraction phases.
This indicator attempts to show you where price has exerted itself by giving you a two lines cross signal.
The default settings are recommended, but experimentation is encouraged to fit your own personal system.
Both settings control the standard deviation line ( aka . Upper Bollinger Band ).
Enjoy, and hit the follow button to get easy access to all my indicators and to follow my latest publications! Indicator
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Functions Allowing Series As Length - PineCoders FAQ█ WARNING
Improvements to the following Pine built-ins have deprecated the vast majority of this publication's functions, as the built-ins now accept "series int" `length` arguments:
ta.wma()
ta.linreg()
ta.variance()
ta.stdev()
ta.correlation()
NOTE
For an EMA function that allows a "series int" argument for `length`, please see `ema2()` in the ta library by PulseWire .
█ ORIGINAL DESCRIPTION
Pinescript requires many of its built-in functions to use a simple int as their period length, which entails the period length cannot vary during the script's execution. These functions allow using a series int or series float for their period length, which means it can vary on each bar.
The functions shared in this script include:
Rolling sum: Sum(src,p)
Simple moving average: Sma(src,p)
Rolling variance: Variance(src,p)
Rolling standard deviation: Stdev(src,p)
Rolling covariance: Covariance(x,y,p)
Rolling correlation: Correlation(x,y,p)
If p is a float then it is rounded to the nearest int .
How to Use the Script
Most of the functions in the script are dependent on the Sma function. The Correlation function uses the Covariance and Stdev functions. Be sure you include all the required functions in your script.
Make sure the series you use as the length argument is greater than 0, else the functions will return na . When using a series as length argument, the following error might appear:
Pine cannot determine the referencing length of a series. Try using max_bars_back in the study or strategy function.
This can be frequent if you use barssince(condition) where condition is a relatively rare event. You can fix it by including max_bars_back=5000 in your study declaration statement as follows:
study("Title",overlay=true,max_bars_back=5000)
Example
The chart shows the Sma , Stdev , Covariance and Correlation functions. The Sma uses the closing price as input and bars as period length where:
bars = barssince(change(security(syminfo.tickerid,"D",close ,lookahead=true)))
The Stdev uses the closing price as input and bars + 9 as period length. The Covariance and Correlation use the closing price as x and bar_index as y , with bars + 9 as period length.
Look first. Then leap.
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Standard Deviation - Sum Of The Squares Minus Square Of The SumsIntroduction
The standard deviation measure the dispersion of a data set, in short this metric will tell you if your data is on average closer or farther away from the mean. Its one of the most important tools in statistics and living without it is pretty much impossible, without it you can forget about Bollinger-bands, CCI, and even the LSMA (ouch this hurt) .
Now i don't want to extend myself about the standard deviation since that would require a huge post but i want to show you how to calculate the standard deviation from the stdev pinescript function.
Sum Of The Squares Minus Square Of The Sums
Any metric calculated from a moving average can be classified as "running", this mean that the metric constantly update itself and is not constant, this is why it is better to say "running standard deviation" but its okay. If we use the standard calculation for the standard deviation which would be sqrt(sma(pow(close - sma,2))) we might get something totally different from the stdev function :
In white the pine stdev function and in red the standard calculation of both period 4, its clear that both are not the same, one might try to use the Bessel's correction but that won't do either, this is because most technical analysis tools will calculate the square root of the "Sum Of The Squares Minus Square Of The Sums" method to estimate the standard deviation
Another way is to use :
a = sqrt(sma(pow(close,2),length) - pow(sma(close,length),2))
By returning the difference we might still see some errors :
Nothing relevant of course.
Conclusion
Some of you might already be aware of this but a reminder is always good since it can be confusing to make what can be considered the good standard deviation formula and then have something totally different from the pine function, i hope this post will be useful and that you learned something from it.
Thanks for reading :) Indicator
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