QuantNomad

Parabolic SAR Strategy (on close) [QuantNomad]

Created a Parabolic SAR strategy where price has to close under/above the level before for it to reverse. This way it should be a bit more stable and protect you from false breakouts.
It was impossible to adjust the built-in "sar" function so I implemented PSAR from scratch. So if you're interested in how it's work inside you can check the code and probably adjust to your need if you have a custom modification of PSAR in your mind.
リリースノート: Added "Entry on Nth trend bar" parameter. Now you can specify on which trends bar do you want to reverse position. That can help you to filter out noice and skip 1-2 bars trends.
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コメント

Hi @QuantNomad , thanks for sharing this. I have been manually looking at PSAR as an indicator for awhile now and came across your strategy here. I'm thinking of ways to reduce the noise of the entry/exit triggers and am wondering if having a long/short entry only if the PSAR has had 3 consecutive plots in the same direction (i.e. 3 green or 3 red) would work. What do you think? I'm keen to test it out but not sure how to edit your existing script to reflect this amendment. Can you advise? Many thanks in advance
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QuantNomad yeojingcheng
@yeojingcheng, hm well it might work. I will take a look when will have some free time.
you can try something like this:

strategy.entry("Long", true, when = trend_dir == 1 and trend_dir == 1 and trend_dir == 1)
strategy.entry("Short", false, when = trend_dir == -1 and trend_dir == -1 and trend_dir == -1)
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Hi, first of all thanks for sharing with us plebs your script. I have a question as to recognize where exactly the longs or shorts are closed. Because with the small arrows it is not clear, at least for me. I look forward to hear from you.
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QuantNomad giacomo.ferrari15
@giacomo.ferrari15, order is executed on close of the bar which broke PSAR. By default orders are filled on open of the next bar.
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hmmm study based on this gives a repaint warning, any reason for that?
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Is it possible to adjust the script so that the starting point of the new trend is the respective closing price instead of the high/low?
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why not to use when=crossunder(psar, close) for long (crossover(psar, close) for short ) using built-is sar function ?
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QuantNomad pabloses
@pabloses, Because in built-in sar function you have condition included that on touch it will revert. As result your receive both trend up/down levels in same var calculated with "touching" logic. So there is no way to use standard sar function for that.
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pabloses QuantNomad
@QuantNomad, Thanks, I understand. Your script actually ignores wicks.
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Great!
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