Need some math help

Discussion in 'Ask any question!' started by Ridestock, Jan 3, 2021.

  1. Ridestock

    Ridestock Member

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    upload_2021-1-3_17-46-24.png

    For example:
    Blue is 150
    Red is 125
    Days between red and blue are 10
    Days between red and yellow are 9

    How can I calculate the price of the yellow?
    Does this look right?
    125 - (((150 - 125)/10)*-9)
     

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    #1 Ridestock, Jan 3, 2021
    Last edited: Jan 3, 2021
  2. Ridestock

    Ridestock Member

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    Just testing what I have so far, this is what the program gave me.
    The break price has to be 10% drop from high.
    The current price is the only price that broke the trend line.

    1/3/2021 close price
    CAPA 10.12
    MDVL 15.05
    PSTI 7.07
    RCON 1.47
    TTNP 3.29
     
  3. jtrade18

    jtrade18 New Member

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    Your math is right except it is + after 125. You can use the equation of line: y-y_1=slope(x-x_1) to extrapolate.
    Here points are Blue (0,150), Red (10, 125), and we are looking to find y when is x is 19. So the equation is y-125=(150-125)/(0-10)*(x-10), so when x is 19, y=125+(-2.5)*9=102.5.
     
  4. Ridestock

    Ridestock Member

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    Thank you so much JTrade. Do you have any idea how many days work best when looking for a slope? Also, are certain slope angles better than others?
     
    #4 Ridestock, Jan 4, 2021
    Last edited: Jan 4, 2021

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