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Hodrick-Prescott Channel [Loxx]Hodrick-Prescott Channel is a fast and slow moving average that moves inside a channel. Breakouts are when the fast ma crosses up over the slow ma and breakdowns are the opposite. The white moving average is the fast ma, the slow moving average is the red/green ma. What is Hodrick–Prescott filter? The Hodrick–Prescott filter (also known as Hodrick–Prescott decomposition) is a mathematical tool used in macroeconomics, especially in real business cycle theory, to remove the cyclical component of a time series from raw data. It is used to obtain a smoothed-curve representation of a time series, one that is more sensitive to long-term than to short-term fluctuations. The adjustment of the sensitivity of the trend to short-term fluctuations is achieved by modifying a multiplier Lambda. The filter was popularized in the field of economics in the 1990s by economists Robert J. Hodrick and Nobel Memorial Prize winner Edward C. Prescott, though it was first proposed much earlier by E. T. Whittaker in 1923. There are some drawbacks to use the HP filter than you can read here: en.wikipedia.org Included Bar coloring Signals Alerts
Penunjuk Pine Script™
oleh loxx
2
Adaptive ATR Keltner Channels [Loxx]Adaptive ATR Channels are adaptive Keltner channels. ATR is calculated using a rolling signal-to-noise ratio making this indicator flex more to changes in price volatility than the fixed Keltner Channels. What is Average True Range (ATR)? The average true range (ATR) is a technical analysis indicator, introduced by market technician J. Welles Wilder Jr. in his book New Concepts in Technical Trading Systems, that measures market volatility by decomposing the entire range of an asset price for that period.1 The true range is taken as the greatest of the following: current high less the current low; the absolute value of the current high less the previous close; and the absolute value of the current low less the previous close. The ATR is then a moving average, generally using 14 days, of the true ranges. What are Keltner Channel (ATR)? Keltner Channels are volatility-based bands that are placed on either side of an asset's price and can aid in determining the direction of a trend. The Keltner channel uses the average-true range (ATR) or volatility, with breaks above or below the top and bottom barriers signaling a continuation.
Penunjuk Pine Script™
oleh loxx
3
Daily Scalping Moving AveragesThis is a technical analysis study based on the most fit leading indicators for short timeframes like EMA and SMA. At the same time we have daily channel made from the last 2 weeks of ATR values, which will give us the daily top and bottom expected values(with 80%+ confidence) We have 3 groups of lengths for short length, medium length and a bigger length. At the same time we combine it with the daily vwap values . In the end we are going to have a total of 7 indicators telling us the direction. The way we can use it : The max ratings that we can have are +7 for long and -7 for short In general once we have at least 5 indicators(fast and medium ones) giving us a direction, there is a high chance that we can scalp that trend and then we can exit either when we will be at +7 or close to neutral point At the same time is very important to be aware of the current position inside of the TOP/BOTTOM channel that we have. For example lets assume we are at 40k on BTC and our top channel is around 41-42k while the bottom is around 38k. In this case the margin that we have for long is much smaller than for short, so we should be prepared to exit once we reach the top values and from there wait and see if there is a huge continuation or a reversal. If the top channel was hit and the market started the rebounce going downwards and the moving averages confirms it, then we have a huge advantage using the top points as a STOP LOSS and continue the short movements, giving us an amazing risk/reward ratio . If you have any questions let me know !
Penunjuk Pine Script™
oleh exlux
Pivot Trend LevelsYou can use this indicator to detect the levels and trend. I used the highest of the two last highest pivots and the lowest of the two last lowest pivots to calculate "max" and "min" or high level or low level. I also calculate the average of the 4 values to reach the average line which could be a trend detector in higher lengths. Default length is 3 but using 10 or 20 as length is really good as trending detector. I need help to upgrade a trend detector system. please read the script for more information. Thank you so much.
Penunjuk Pine Script™
oleh AliSignals
2
Volatility ChannelThis script is based on an idea I have had for bands that react better to crypto volatility. It calculates a Donchian Channel, SMMA-Smoothed True Range, Bollinger Bands (standard deviation), and a Keltner Channel (average true range) and averages the components to construct its bands/envelopes. This way, hopefully band touches are a more reliable indicator of a temporary bottom, and so on. Secondary coloring for strength of trend is given as a gradient based on RSI.
Penunjuk Pine Script™
oleh animecummer
4
[_ParkF]RSI (+ichimoku cloud)RSI Typical RSI indicators were plotted with candles and expressed wick to resemble a candle chart, and linear regression was added to predict changes in force intensity, which allowed us to confirm support and resistance within linear regression . In addition, divergence signal was marked as an additional basis for the price fluctuation point due to support and resistance . In other words, if the diversity signal appears together when the rsi candle is supported and resisted within linear regression , this is the basis for predicting that it is a point of change in the existing trend. Finally, the period value and standard deviation of linear regression can be arbitrarily modified and used. I hope it will help you with your trading. -------------------------------------------------------------------------------------------------------------------------------------------------------------- (+ichimoku cloud) Clouds made of the preceding span 1 and the preceding span 2 of the balance table can predict the trend by displaying the current price balance ahead of the future. In addition to the role of clouds in the above-described balance sheet, this indicator also shows the cloud band support and resistance of the current RSI value. 일반적인 RSI 지표를 캔들화 하였고 꼬리까지 포함하여 캔들 차트와 유사하게 표현 하고, 캔들화한 RSI 지표에 선형회귀(채널)를 추가 하여 RSI 지표 특유의 힘의 강도의 변화를 지지와 저항으로 확인할 수 있게 해봤습니다. 또한 다이버전스 신호를 추가하여 선형회귀(채널)로 인한 지지와 저항에 따른 가격 변동의 근거로 삼을 수 있습니다. 즉, 선형회귀(채널) 안에서 RSI 캔들이 지지와 저항을 받을 때 다이버전스 신호가 함께 나타난다면 이는 기존 추세의 변화 지점임을 예측해 볼 수 있는 근거가 됩니다. 마지막으로 선형회귀(채널)의 기간값과 표준편차는 임의로 수정하여 사용할 수 있습니다. 당신의 트레이딩에 도움이 되었으면 합니다. -------------------------------------------------------------------------------------------------------------------------------------------------------------- (+일목균형표의 구름) 일목균형표의 선행스팬1과 선행스팬2로 만들어진 구름은 현재 가격의 균형을 미래에 선행하여 표시하여 추세를 예측해볼 수 있습니다. 본 지표에서는 위에서 설명한 일목균형표의 구름의 역할과 더불어 현 RSI 값의 구름대 지지, 저항 또한 확인해볼 수 있습니다. * I would like to express my gratitude to zdmre for revealing the linear regression source.
Penunjuk Pine Script™
oleh ParkF
11
Saylor to Schiff RatioI'm reposting the Saylor to Schiff Ratio indicator that was originally developed by Michael Silva This indicator may be used to predict key momentum shifts in the price of Bitcoin I've set up this indicator for it to be used on the weekly timeframe as was intended. The indicator plots in any BTCUSD spot, futures , BLX index and BTCEUR . It paints in all time frames, but Weekly time frame is the correct one to interpret the 'official' read of it. For that reason, I've enabled by default an option that forces the indicator to display on the Weekly value even though the time frame could be higher or lower. Credit for this idea goes to Michael Silva: @mikepsilva
Penunjuk Pine Script™
oleh nickolassteel
16
[TTI] ATR channelsHISTORY AND CREDITS Used by John Carter in his indicator’s toolbox. The ATR channels or the Keltner Channels represent the railroads or the natural movement of stocks. WHAT IT DOES Movements between the the The first multiplier lines (white) represent standard movement for the timeframe you are trading. Movements between the second multiplier (green/red lines) represent a 2stdv move of the stock in a single direction. Once a stock starts reaching the 3rd multiplier lines there’s an exponential chance that it will revert to the mean (cyan line) Additionally, we have added the Institutional lines. These are thought in a Small Account Mastery class 2019 by John Carter, as the levels heavily watched by institutions. The default settings represent what John is teaching but they can be further customised. HOW TO USE IT ATRs channels or Keltner Channels can be great source for target or stop losses and can be used as a indicator for confluence with other technical tools like the Fibonacci lines.
Penunjuk Pine Script™
oleh TintinTrading
1
Double Top/Bottom - Ultimate (OS)This is zigzag based double top/bottom indicator. Code is same as : Double-Top-Bottom-Ultimate But, republishing it to make it available open source. Double Top: Recognition - Checks on Zigzag if LH is followed by HH Confirmation - When low crosses under last lower pivot point on zigzag Invalidation - When high crosses over HH Double Bottom: Recognition - Checks on Zigzag if HL is followed by LL Confirmation - When high crosses over last higher pivot point on zigzag Invalidation - When low crosses under LL Few input options: Option to display risk per reward which defines how steep is the W-M triangle. This is simply the ratio of price difference between mid point to top most and bottom most points. In case of double top , downside is considered as reward and upside is considered as risk and with double bottom , downside is considered as risk and upside is considered as reward. Lower risk per reward signifies better trade. Option to display stats which shows number of occurances of double top and bottom and how many times price crossed confirmation point and invalidation point (which are also marked with dashed lines) Stats are color coded. Higher confirmation rates are colored in shades of green, lower confirmation rates are colored in shades of orange whereas the neutral confirmation rates are coloed in light yellow.
Penunjuk Pine Script™
oleh Trendoscope
81
Auto Harmonic Patterns - Open SourceI may not be able to spend much time on the harmonic patterns and realized that there are not much open source scripts on them either. Hence, decided to release open source version which can be used by other developers for reference and build things on top of it. Original script is protected and can be found here: Logical ratios of patterns are coded as below: Notations: Lines XABCD forms the pattern in all cases. (OXABCD in case of Three drives ) abc = BC retacement of AB, xab = AB retracement of XA and so on ABCD Classic 0.618 <= abc <= 0.786 1.272 <= bcd <= 1.618 AB=CD Price difference between AB and CD are equal Time difference between AB and CD are equal ABCD Extension 0.618 <= abc <= 0.786 1.272 <= AD/ BC (price) <= 1.618 Gartley xab = 0.618 0.382 <= abc <= 0.886 1.272 <= bcd <= 1.618 OR xad = 0.786 Crab 0.382 <= xab <= 0.618 0.382 <= abc <= 0.886 2.24 <= bcd <= 3.618 OR xad = 1.618 Deep Crab xab = 0.886 0.382 <= abc <= 0.886 2.0 <= bcd <= 3.618 OR xad = 1.618 Bat 0.382 <= xab <= 0.50 0.382 <= abc <= 0.886 1.618 <= bcd <= 2.618 OR xad = 0.886 Butterfly xab = 0.786 0.382 <= abc <= 0.886 1.618 <= bcd <= 2.618 OR 1.272 <= xad <= 2.618 Shark xab = 0.786 1.13 <= abc <= 1.618 1.618 <= bcd <= 2.24 OR 0.886 <= xad <= 1.13 Cypher 0.382 <= xab <= 0.618 1.13 <= abc <= 1.414 1.272 <= bcd <= 2.0 OR xad = 0.786 Three Drives oxa = 0.618 1.27 <= xab <= 1.618 abc = 0.618 1.27 <= bcd <= 1.618 5-0 1.13 <= xab <= 1.618 1.618 <= abc <= 2.24 bcd = 0.5 This script contains everything which original script has apart from stats. Use the original script if you are not developer looking for code reference and prefer having stats table. I have also developed a strategy based on harmonic patterns which can be found here:
Penunjuk Pine Script™
oleh Trendoscope
54
Double Top/BottomHere is an attempt to identify double top/bottom based on pivot high/lows. Logic is simple. Double Bottom: Last two pivot High Lows make W shape Last Pivot Low is higher than previous Last Pivot Low. Last Pivot High is lower than previous last Pivot High. Price has not gone below Last Pivot Low Price breaks out of last Pivot High to complete W shape Double Top: Last two pivot High Lows make M shape Last Pivot Low is higher than previous Last Pivot Low. Last Pivot High is lower than previous last Pivot High. Price has not gone above Last Pivot High Price breaks out of last Pivot Low to complete M shape Prameters: Parameters PvtLenL , PvtLenR and waitforclose determines pivot points. FilterPivots clears repetitive pivots formed in same direction before calculating the possible double top/bottom. For example: CheckForAbsolutePeaks and AbsolutePeakLoopback works together. When CheckForAbsolutePeaks is enabled, script only generates double bottom or top signal if previous last pivot is absolute high or low for AbsolutePeakLoopback periods. ConsiderMovingAverage does two things. First, it makes sure that fast moving average and slow moving averages are aligned with the direction we are going to forecast. Second, it makes sure that the crossover happend recently and with last BarCrossoverLimit bars. For example, to call it double bottom, Fast MA should be higher than Slow MA and crossover of FastMA above SlowMA should have happened in last 10 bars (BarCrossoverLimit) PivotDisplayMode can be Actual, Filtered or None. Actual will display all pivot high low generated. Filtered will only display last 5 pivot high and pivot lows which are filtered . That means, it will remove the repetitive pivots formed without making pivots on the other side. Welcome and suggestions and feedbacks.
Penunjuk Pine Script™
oleh Trendoscope
13
Auto PitchFan, Fib Extension/Retracement and ZigZag by DGT Aᴜᴛᴏ PɪᴛᴄʜFᴀɴ, Fɪʙ Exᴛᴇɴꜱɪᴏɴ/Rᴇᴛʀᴀᴄᴇᴍᴇɴᴛ ᴀɴᴅ ZɪɢZᴀɢ This study aim to automate PitchFan drawing tool and combines it with Fibonacci Extentions/Retracements and ZigZag. Common setting options, applied to all components of the study     Deviation , is a multiplier that affects how much the price should deviate from the previous pivot in order for the bar to become a new pivot. Increasing its value is one way to get higher timeframe Levels     Depth , affects the minimum number of bars that will be taken into account when building     Historical PitchFan / Fibonacci Levels option will allow plotting of PitchFan / Fibonacci Levels on previous Pivot Highs/Lows █  PɪᴛᴄʜFᴀɴ — is a set of rays spreading out of the point of a trend's beginning. These rays inclined with the coefficients formed by a Fibonacci number sequence. It is recommended to adjust the Pitchfan plottings to fit after the first wave of the trend has passed and the correction has clearly begun. PitchFan rays corresponding to Fibonacci levels appear on a chart and represent inclined lines of support and resistance. Price areas near these rays are estimated areas from which the price can turn around or make a significant rebound. The whole logic of working with a pitchfan is based on one simple idea - if the price has bounced off the level, then the correction is likely to end, and the trend will continue. If the price has broken the first resistance, you should wait for the next level test     - Automatically plots PitchFan Rays, based on Pivot Lows/Highs.     - Ability to set ALERTs for each PitchFan Ray Level     - PitchFan Labels displays the price of the line at the last bar, the price value will be recalculated in each new bar Please check the link provided below with the educational post of how to apply pitchfork, application of pitchfan is same keeping in mind the recommendation stated above █  Fɪʙ Rᴇᴛʀᴀᴄᴇᴍᴇɴᴛs / Exᴛᴇɴꜱɪᴏɴꜱ Fibonacci retracements is a popular instrument used by technical analysts to determine support and resistance areas. In technical analysis, this tool is created by taking two extreme points (usually a peak and a trough) on the chart and dividing the vertical distance by the key Fibonacci coefficients equal to 23.6%, 38.2%, 50%, 61.8%, and 100%. Fibonacci extensions are a tool that traders can use to establish profit targets or estimate how far a price may travel AFTER a retracement/pullback is finished. Extension levels are also possible areas where the price may reverse. IMPORTANT NOTE: Fibonacci extensions option may require to do further adjustment of the study parameters for proper usage. Extensions are aimed to be used when a trend is present and they aim to measure how far a price may travel AFTER a retracement/pullback. I will strongly suggest users of this study to check the education post for further details where to use extensions and where to use retracements     - Automatically plots possible Support and Resistance levels, based on Pivot Lows/Highs.     - Ability to set ALERTs for each Fibonacci Extension/Retracement Level     - Labels displays the level and the level price █  Zɪɢ Zᴀɢ — The Zig Zag indicator is used to help identify price trends and changes in price trends. The Zig Zag indicator plots points on a chart whenever prices reverse by a percentage greater than a Deviation variable. Straight lines are then drawn, connecting these points. The Zig Zag indicator serves base for PitchFan and Fibonacci Retracements / Extensions █  OTHER PitchFan is often used in combination with the other indicators and/or drawing tools such as Fibonacci Retracement, Fibonacci Channels, Fibonacci Time Zone and others. It allows identify the most powerful areas from which price can turn and to get more accurate trading signal Andrews’ Pitchfork, how to apply pitchfork and automated pitchfork study Fibonacci Fans, how to apply fibonacci fans and automated fibonacci speed and resistance fans study Fibonacci Extension / Retracement, where to use extensions and where to use retracements and automated fibonacci extension / retracement / pivot points study Others Fibonacci Channels, how to apply fibonacci channels and automated fibonacci channels study Linear Regression Channels, , what linear regression channels are? and linear regression channel/curve/slope study 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 TradingView user liable for any possible claim for damages arising from any decision you make based on use of the script
Penunjuk Pine Script™
oleh dgtrd
72
Auto Pitchfork, Fib Retracement and Zig Zag by DGTPitchfork is a technical indicator for a quick and easy way for traders to identify possible levels of support and resistance of an asset's price. It is presents and based on the idea that the market is geometric and cyclical in nature   Developed by Alan Andrews, so sometimes called Andrews’ Pitchfork   It is created by placing three points at the end of previous trends   Schiff and Modified Pitchfork is a technical analysis tool derived from Andrews' Pitchfork In general, traders will purchase the asset when the price falls near the support of either the center trendline or the lowest trendline. Conversely, they'll sell the asset when it approaches the resistance of either the center line or the highest trendline. █  Study OPTIONS   Auto Pitchfork , the main aim of the study ‏ ‏    Pivots threshold can be customized by “Deviation” and “Depth” input options ‏ ‏    Pitchfork Type selection, available options Andrews' Pitchfork (Original), Schiff and Modified Pitchfork ‏     Ability to set ALERTs for the Pitchfork Levels ‏     Ability to add customized levels (all level lines customizable)   Auto Fib Retracement – This is the build-in study of TradingView, slight changes applied to fit with Auto Pitchfork   Zig Zag – Derived from build-in Auto Fib Retracement with some customization options. █  Usage Tips :   Andrews' Pitchfork (Original) best fit in a Strong Trending Market   Schiff and Modified Pitchfork better with Correcting or Sideways Market. Modified Pitchfork is almost identical to a Parallel Chanel 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 TradingView user liable for any possible claim for damages arising from any decision you make based on use of the script
Penunjuk Pine Script™
oleh dgtrd
146
Donchian Channels Trending Breakout StrategyThis script looks for two entry signals. Long is when the previous breakout of the donchian channels was a low, price is above the input EMA, current price is equal or higher than the upper band and we're not in a position yet. Short is the other way around, so previous breakout of the donchian channels was a high, price is below the input EMA, current price is equal or lower than the lower band. I haven't found a script that does take the previous highs and lows into consideration. Works for any markets in any conditions because the stop loss and profit targets are based on the upper and lower band of the donchian channels, which means the stop loss and profit targets move with the trend. For more details see the script itself, I wrote a ton of comments.
Strategi Pine Script™
oleh conflixx95493
1
Modified Donchian ChannelRelease Note: This indicator setup highly inspired by Donchian Channel and Hull Moving Average. Big thanks to both Richard Donchian and Alan Hull. Back test and live test it and come to conclusion of how to use this indicator for live trading. 200 HMA: 200 Hull Moving Average plays major role in deciding the right trades using Donchian Channel. As part of this setup, If price is below 200 HMA, then the Donchian Channel is highlighted in Red color If price is above 200 HMA, then the Donchian Channel is highlighted in Green color Donchian Channel: Default 20 period is used for the Donchian channel. However, the color highlight as per 200 HMA position. Also, the middle basis color changes to Green and Red based on candle close of above or below. Additionally, 5 period Donchian basis is used as tight stop loss. This can be used wisely or optionally based on trade decisions Disclaimer: //Idea of publishing this script is to identify the strength of the instrument using multiple confirmation. //Using this indicator, changing inputs, and trading decisions are up to the users/traders. //Courtesy: Thanks to Richard Donchian and Alan Hull as this indicator/script inspired by Donchian Channels and Hull Moving Average
Penunjuk Pine Script™
oleh pckalai
4
Optimized Linear Regression ChannelReturn a linear regression channel with a window size within the range (min, max) such that the R-squared is maximized, this allows a better estimate of an underlying linear trend, a better detection of significant historical supports and resistance points, and avoid finding a good window size manually. Settings Min : Minimum window size value Max : Maximum window size value Mult : Multiplicative factor for the rmse, control the channel width. Src : Source input of the indicator Details The indicator displays the specific window size that maximizes the R-squared at the bottom of the lower channel. When optimizing we want to find parameters such that they maximize or minimize a certain function, here the r-squared. The R-squared is given by 1 minus the ratio between the sum of squares (SSE) of the linear regression and the sum of squares of the mean. We know that the mean will always produce an SSE greater or equal to the one of the linear regression, so the R-squared will always be in a (0,1) range. In the case our data has a linear trend, the linear regression will have a better fit, thus having a lower SSE than the SSE of the mean, has such the ratio between the linear regression SSE and the mean SSE will be low, 1 minus this ratio will return a greater result. A lower R-squared will tell you that your linear regression produces a fit similar to the one produced by the mean. The R-squared is also given by the square of the correlation coefficient between the dependent and independent variables. In pinescript optimization can be done by running a function inside a loop, we run the function for each setting and keep the one that produces the maximum or minimum result, however, it is not possible to do that with most built-in functions, including the function of interest, correlation , as such we must recreate a rolling correlation function that can be used inside loops, such functions are generally loops-free, this means that they are not computed using a loop in the first place, fortunately, the rolling correlation function is simply based on moving averages and standard deviations, both can be computed without using a loop by using cumulative sums, this is what is done in the code. Note that because the R-squared is based on the SSE of the linear regression, maximizing the R-squared also minimizes the linear regression SSE, another thing that is minimized is the horizontality of the fit. In the example above we have a total window size of 27, the script will try to find the setting that maximizes the R-squared, we must avoid every data points before the volatile bearish candle, using any of these data points will produce a poor fit, we see that the script avoid it, thus running as expected. Another interesting thing is that the best R-squared is not always associated to the lowest window size. Note that optimization does not fix core problems in a model, with the linear regression we assume that our data set posses a linear trend, if it's not the case, then no matter how many settings you use you will still have a model that is not adapted to your data.
Penunjuk Pine Script™
oleh alexgrover
29
TF Segmented Linear RegressionFit a line at successive intervals, where the interval period is determined by a user-selected time frame, this allows the user to have an estimate of the intrinsic trend within various intervals. Settings Timeframe : Determine the period of the interval, if the timeframe is weekly then a new line will be fit at the start each weeks, by default "Daily" Mult : Multiplication factor for the RMSE, determine the distance between the upper and lower extremities Src : Input data for the indicator Plot Extremities : Logical value, if true then the extremities of the channel are plotted, if false only the midline is plotted, true by default. Usage The timeframe setting should be higher than the current chart timeframe, note however that too large values of timeframe might return an error. Since the maximum number of lines that can be plotted is 54, using the extremities will only return 18 channels. The indicator can be compared to the "regression trend" drawing tool Main tf = 5 min with the indicator using a daily timeframe, the filled area is produced by the regression trend drawing tool using the same interval as the indicator, and coincide with it. Main tf = 15 min with the indicator using a weekly timeframe, wider channel indicate that the values tend to be farther away from the fitted line. A line with a significant slope indicates a strong trend, in that case, the width of the channel is determined by the amplitude of the retracements in the trend, with a narrower channel indicating a cleaner trend. When the fitted line has a low slope value and the channel is wide, it means that there were two or more variations of opposite directions with large amplitudes within the interval, this also indicates that a linear model is not appropriate. A slope approximately equal to 0 with a low channel width indicates a trendless market with cyclical variations of low amplitude in it. Refrences Determining the starting and ending points of the fitted line was done using a linear combination between the wma and sma The wma and sma functions both use a series as period by making use of the Wma and Sum functions in the following script
Penunjuk Pine Script™
oleh alexgrover
27