OPEN-SOURCE SCRIPT
Realtime Divergence for Any Indicator - By John Bartle
ที่อัปเดต:
The main purpose of this script is to show historical and real-time divergences for any oscillating indicator. The secondary purpose is to give the user a lot of precise control over identifying divergences and determining what they are. This is an improved version of my other script which is similarly called "Realtime Divergence for Any Indicator"
There are four types of divergences that are offered:
Bull divergence
Hidden bull divergence
Bear divergence
Hidden Bear divergence
There are three types of potential(real-time) divergences which include:
1) Without right side bars for rightside pivots. Plus without waiting for the rightside pivot bar to complete
2) Without right side bars for rightside pivots. Plus with waiting for the rightside pivot bar to complete
3) With right side bars for rightside pivots. Plus without waiting for the rightside pivot right-most bar to complete
A definite divergence occurs when all specified bars are accounted for and fully formed.
Potential divergences use dashed lines and definite(historical) divergences use solid lines.
In addition to several other categories of settings to filter out unwanted divergences or manipulate the search process, this script also offers Alerts. Remember that alerts must not only be set within this scripts settings but also your "Alerts" panel on your right. It's strange but BOTH must be set for alerts to work...
Other interesting Things To Know:
1)I actually don't trade and so I have no need of a paid account. Unpaid accounts don't have the playback feature so I haven't really tested this script out very well. Sorry. Just let me know if something seems off and IF I have time I'll try to fix it.
2)Keep in mind that Pinescript limits the number of lines that can be shown at one time. This means that if your settings allow for a large number of divergence lines they will be removed from the leftward side of your chart but appear in the rightward side.
3) The time and the values for the price or oscillator are not the same things as each other nor are they physical things with physical space. This means that slopes of lines using the time as X and value as Y can not have definite angles. Consequently, under the setting "DIVERGENCES: SLOPE ANGLE EXCLUSION" YOU have to decide what slope equals what angle by using the setting called "Normalization Factor".
4) Remember that some individual settings apply to both the oscillator and price chart. This means that even if the setting's conditions are fulfilled in one they may not be fulfilled in the other.
5) Under the category "DIVERGENCES: INTERSECTION ALLOWANCE", if you set the "Measurement Type" to Relative Percentage then FYI any single given length will equate to an increasingly smaller percentage the further away from zero it is. Because of this, I think "Reletive Percentage" is probably only useful for price charts or oscillators with big values. Maybe >200 is OK ?
Errors:
1) If you get the error mentioning that the script must complete execution within X amount of time, this is because this is a big script and sometimes takes longer than your service plan's allotted time limit. You can just disable some of the settings to reduce the scripts amount of work and time. The biggest time savers will be to disable some lines and labels
2) If you get an error saying the script accessed a negative index(e.g. [-1]) then try temporarily increasing the "Add More Array Elements" setting to 100-200. Sometimes it fixes the problem.
3) You may sometimes temporarily get an error that reads: "Pine cannot determine the referencing length of a series. Try using max_bars_back in the study or strategy function".
If this happens there are several things that you can do:
3A) Create a copy of my script. Then edit the section of code that looks like this ")//, max_bars_back = INSERT_YOUR_QUANTITY_HERE)" and transform it to look like this new code ", max_bars_back = INSERT_YOUR_QUANTITY_HERE)" then repeatedly try replacing "INSERT_YOUR_QUANTITY_HERE" with an increasingly larger number greater than 244 but less than 5000.
This method will increase your system resources and could cause other problems. Try changing the code back after a few hours and see if all is well again. It is a Pinescript limitation issue and happens when certain functions or variables don't get used at least once within the first 244 bars.
3B) Adjust your settings to hopefully find a divergence within the first 244 bars. If one is found then the problematic variables or functions should get used and the Pinescript 244 bar limitation should be temporarily resolved.
3C) Wait for X number of new bars to occur. If a divergence is eventually found within the first 244 bars that should solve the issue.
Tips:
1) If the amount that a setting changes value is undesirable for each time you click it then you can change that amount in the code. To do that, you'll need your own copy of my script. To make your own copy just click on "create a working copy" in the brown colored strip area above the code. Then within approximately the first 108 lines find the title of the setting you want to change. Then look to it's right to find the parameter called "step =". Change what the step equals to whatever you want. FYI, you can hover your mouse over the blue colored code and a popup will tell you what parameters(i.e. settings) that function(e.g. "input.int()") has available.
There are four types of divergences that are offered:
Bull divergence
Hidden bull divergence
Bear divergence
Hidden Bear divergence
There are three types of potential(real-time) divergences which include:
1) Without right side bars for rightside pivots. Plus without waiting for the rightside pivot bar to complete
2) Without right side bars for rightside pivots. Plus with waiting for the rightside pivot bar to complete
3) With right side bars for rightside pivots. Plus without waiting for the rightside pivot right-most bar to complete
A definite divergence occurs when all specified bars are accounted for and fully formed.
Potential divergences use dashed lines and definite(historical) divergences use solid lines.
In addition to several other categories of settings to filter out unwanted divergences or manipulate the search process, this script also offers Alerts. Remember that alerts must not only be set within this scripts settings but also your "Alerts" panel on your right. It's strange but BOTH must be set for alerts to work...
Other interesting Things To Know:
1)I actually don't trade and so I have no need of a paid account. Unpaid accounts don't have the playback feature so I haven't really tested this script out very well. Sorry. Just let me know if something seems off and IF I have time I'll try to fix it.
2)Keep in mind that Pinescript limits the number of lines that can be shown at one time. This means that if your settings allow for a large number of divergence lines they will be removed from the leftward side of your chart but appear in the rightward side.
3) The time and the values for the price or oscillator are not the same things as each other nor are they physical things with physical space. This means that slopes of lines using the time as X and value as Y can not have definite angles. Consequently, under the setting "DIVERGENCES: SLOPE ANGLE EXCLUSION" YOU have to decide what slope equals what angle by using the setting called "Normalization Factor".
4) Remember that some individual settings apply to both the oscillator and price chart. This means that even if the setting's conditions are fulfilled in one they may not be fulfilled in the other.
5) Under the category "DIVERGENCES: INTERSECTION ALLOWANCE", if you set the "Measurement Type" to Relative Percentage then FYI any single given length will equate to an increasingly smaller percentage the further away from zero it is. Because of this, I think "Reletive Percentage" is probably only useful for price charts or oscillators with big values. Maybe >200 is OK ?
Errors:
1) If you get the error mentioning that the script must complete execution within X amount of time, this is because this is a big script and sometimes takes longer than your service plan's allotted time limit. You can just disable some of the settings to reduce the scripts amount of work and time. The biggest time savers will be to disable some lines and labels
2) If you get an error saying the script accessed a negative index(e.g. [-1]) then try temporarily increasing the "Add More Array Elements" setting to 100-200. Sometimes it fixes the problem.
3) You may sometimes temporarily get an error that reads: "Pine cannot determine the referencing length of a series. Try using max_bars_back in the study or strategy function".
If this happens there are several things that you can do:
3A) Create a copy of my script. Then edit the section of code that looks like this ")//, max_bars_back = INSERT_YOUR_QUANTITY_HERE)" and transform it to look like this new code ", max_bars_back = INSERT_YOUR_QUANTITY_HERE)" then repeatedly try replacing "INSERT_YOUR_QUANTITY_HERE" with an increasingly larger number greater than 244 but less than 5000.
This method will increase your system resources and could cause other problems. Try changing the code back after a few hours and see if all is well again. It is a Pinescript limitation issue and happens when certain functions or variables don't get used at least once within the first 244 bars.
3B) Adjust your settings to hopefully find a divergence within the first 244 bars. If one is found then the problematic variables or functions should get used and the Pinescript 244 bar limitation should be temporarily resolved.
3C) Wait for X number of new bars to occur. If a divergence is eventually found within the first 244 bars that should solve the issue.
Tips:
1) If the amount that a setting changes value is undesirable for each time you click it then you can change that amount in the code. To do that, you'll need your own copy of my script. To make your own copy just click on "create a working copy" in the brown colored strip area above the code. Then within approximately the first 108 lines find the title of the setting you want to change. Then look to it's right to find the parameter called "step =". Change what the step equals to whatever you want. FYI, you can hover your mouse over the blue colored code and a popup will tell you what parameters(i.e. settings) that function(e.g. "input.int()") has available.
เอกสารเผยแพร่
I just changed a few minor things. One change was the "max_bars_back" parameter(setting) within the "indicator()" function. I set "max_bars_back = 245" to get rid of the error "Pine cannot determine the referencing length of a series. Try using max_bars_back in the study or strategy function". You STILL may get this error, and if you do just make a copy of my code and set "max_bars_back = " to any number between 245 and 5000. Experiment and see what works. Good Luck ...เอกสารเผยแพร่
I changed the alert label location step amount.I set the label styles for realtime divergences to become diamonds when the lines are disabled. This should help distinguish them from historical lines
เอกสารเผยแพร่
I added support for changing the divergence angle color and the divergence intersection amount display color.I added support to disable historical divergences
I added support to show divergence angles and divergence intersection amount display in both the chart and oscillator window
Remember that if you don't like the amount a setting adjust for each click or mousewheel spin then just make a copy of my script and find the settings title within approximately the first 110 lines of code and then change "step = PUT_DESIRED_AMOUNT_HERE" to whatever you prefer
เอกสารเผยแพร่
I changed the "Min Length Ratio Allowance" default to 50.0 percent. If this setting is set to 0 then ANY ratio of length between the price chart and oscillator is acceptable. This can signal very undesirable divergences but sometimes very desirable divergences too. Experiment with what works best for you.เอกสารเผยแพร่
I improved the "Alerts: Label Y Spacing". I think ?TODO: I need to convert the vertical overlaying of the alert labels to horizontal spacing. I had issues with my first attempt though.
เอกสารเผยแพร่
I improved the Y Spacing for historical divergence labels. I forgot to do this on my last revision.สคริปต์โอเพนซอร์ซ
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