When to switch from Rising Parabolic SAR to Falling Parabolic SAR?












0















I want to calculate the Parabolic SAR indicator. I have the usual formula



Prior SAR: The SAR value for the previous period. 
Extreme Point (EP): The highest high of the current uptrend.
Acceleration Factor (AF): Starting at .02, AF increases by .02 each time the extreme point
makes a new high. AF can reach a maximum of .20, no matter how long the uptrend extends.
Current Rising SAR = Prior SAR + Prior AF(Prior EP - Prior SAR)


and I plan to use a similar formula for Falling SAR. My question is, how should I determine when to switch from Rising SAR to Falling SAR? Also, how do I know when I have to drop the EP value? My guess is that when I "see an uptrend", I have to consider Rising SAR, and my EP should be the maximum from the start of the uptrend. But how do I identify the uptrend?



I plan to perform calculations in Python using Pandas. Any comment on what I should be aware of is appreciated!










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    0















    I want to calculate the Parabolic SAR indicator. I have the usual formula



    Prior SAR: The SAR value for the previous period. 
    Extreme Point (EP): The highest high of the current uptrend.
    Acceleration Factor (AF): Starting at .02, AF increases by .02 each time the extreme point
    makes a new high. AF can reach a maximum of .20, no matter how long the uptrend extends.
    Current Rising SAR = Prior SAR + Prior AF(Prior EP - Prior SAR)


    and I plan to use a similar formula for Falling SAR. My question is, how should I determine when to switch from Rising SAR to Falling SAR? Also, how do I know when I have to drop the EP value? My guess is that when I "see an uptrend", I have to consider Rising SAR, and my EP should be the maximum from the start of the uptrend. But how do I identify the uptrend?



    I plan to perform calculations in Python using Pandas. Any comment on what I should be aware of is appreciated!










    share|improve this question

























      0












      0








      0








      I want to calculate the Parabolic SAR indicator. I have the usual formula



      Prior SAR: The SAR value for the previous period. 
      Extreme Point (EP): The highest high of the current uptrend.
      Acceleration Factor (AF): Starting at .02, AF increases by .02 each time the extreme point
      makes a new high. AF can reach a maximum of .20, no matter how long the uptrend extends.
      Current Rising SAR = Prior SAR + Prior AF(Prior EP - Prior SAR)


      and I plan to use a similar formula for Falling SAR. My question is, how should I determine when to switch from Rising SAR to Falling SAR? Also, how do I know when I have to drop the EP value? My guess is that when I "see an uptrend", I have to consider Rising SAR, and my EP should be the maximum from the start of the uptrend. But how do I identify the uptrend?



      I plan to perform calculations in Python using Pandas. Any comment on what I should be aware of is appreciated!










      share|improve this question














      I want to calculate the Parabolic SAR indicator. I have the usual formula



      Prior SAR: The SAR value for the previous period. 
      Extreme Point (EP): The highest high of the current uptrend.
      Acceleration Factor (AF): Starting at .02, AF increases by .02 each time the extreme point
      makes a new high. AF can reach a maximum of .20, no matter how long the uptrend extends.
      Current Rising SAR = Prior SAR + Prior AF(Prior EP - Prior SAR)


      and I plan to use a similar formula for Falling SAR. My question is, how should I determine when to switch from Rising SAR to Falling SAR? Also, how do I know when I have to drop the EP value? My guess is that when I "see an uptrend", I have to consider Rising SAR, and my EP should be the maximum from the start of the uptrend. But how do I identify the uptrend?



      I plan to perform calculations in Python using Pandas. Any comment on what I should be aware of is appreciated!







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      asked Nov 19 '18 at 13:34









      Alexandr KapshukAlexandr Kapshuk

      29514




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