Stock Price Trends
Stock price trends estimated using linear regression.
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- Balance Sheet: Assets
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 - Analysis of Short-term (Operating) Activity Ratios
 - Enterprise Value (EV)
 - Enterprise Value to FCFF (EV/FCFF)
 - Net Profit Margin since 2005
 - Total Asset Turnover since 2005
 - Price to Book Value (P/BV) since 2005
 - Price to Sales (P/S) since 2005
 
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Summary
Key facts
- The primary trend is increasing.
 - The growth rate of the primary trend is 263.99% per annum.
 - APA price at the close of August 4, 2016 was $50.18 and was lower than the bottom border of the primary price channel by $15.87 (24.02%). This indicates a possible reversal in the primary trend direction.
 - The secondary trend is decreasing.
 - The decline rate of the secondary trend is 5.85% per annum.
 - APA price at the close of August 4, 2016 was lower than the bottom border of the secondary price channel by $0.06 (0.12%).
 - The direction of the secondary trend is opposite to the direction of the primary trend. This indicates a possible reversal in the direction of the primary trend.
 
Linear Regression Model
Model equation:
Yi = α + β × Xi + εi
Top border of price channel:
Exp(Yi) = Exp(a + b × Xi + 2 × s)
Bottom border of price channel:
Exp(Yi) = Exp(a + b × Xi – 2 × s)
where:
i - observation number
                Yi - natural logarithm of APA price
                Xi - time index, 1 day interval
                σ - standard deviation of εi
                a - estimator of α
                b - estimator of β
                s - estimator of σ
                Exp() - calculates the exponent of e
Primary Trend
Start date: 
                End date: 
a =
b =
s =
Annual growth rate:
Exp(365 × b) – 1
                = Exp(365 × ) – 1
                = 
            
Price channel spread:
Exp(4 × s) – 1
                = Exp(4 × ) – 1
                = 
            
January 6, 2016 calculations
Top border of price channel:
Exp(Y)
                = Exp(a + b × X + 2 × s)
                = Exp(a + b ×  + 2 × s)
                = Exp( +  ×  + 2 × )
                = Exp()
                = $
Bottom border of price channel:
Exp(Y)
                = Exp(a + b × X – 2 × s)
                = Exp(a + b ×  – 2 × s)
                = Exp( +  ×  – 2 × )
                = Exp()
                = $
June 8, 2016 calculations
Top border of price channel:
Exp(Y)
                = Exp(a + b × X + 2 × s)
                = Exp(a + b ×  + 2 × s)
                = Exp( +  ×  + 2 × )
                = Exp()
                = $
Bottom border of price channel:
Exp(Y)
                = Exp(a + b × X – 2 × s)
                = Exp(a + b ×  – 2 × s)
                = Exp( +  ×  – 2 × )
                = Exp()
                = $
Description
- The primary trend is increasing.
 - The growth rate of the primary trend is 263.99% per annum.
 - APA price at the close of August 4, 2016 was $50.18 and was lower than the bottom border of the primary price channel by $15.87 (24.02%). This indicates a possible reversal in the primary trend direction.
 
Secondary Trend
Start date: 
                End date: 
a =
b =
s =
Annual growth rate:
Exp(365 × b) – 1
                = Exp(365 × ) – 1
                = 
            
Price channel spread:
Exp(4 × s) – 1
                = Exp(4 × ) – 1
                = 
            
April 12, 2016 calculations
Top border of price channel:
Exp(Y)
                = Exp(a + b × X + 2 × s)
                = Exp(a + b ×  + 2 × s)
                = Exp( +  ×  + 2 × )
                = Exp()
                = $
Bottom border of price channel:
Exp(Y)
                = Exp(a + b × X – 2 × s)
                = Exp(a + b ×  – 2 × s)
                = Exp( +  ×  – 2 × )
                = Exp()
                = $
August 4, 2016 calculations
Top border of price channel:
Exp(Y)
                = Exp(a + b × X + 2 × s)
                = Exp(a + b ×  + 2 × s)
                = Exp( +  ×  + 2 × )
                = Exp()
                = $
Bottom border of price channel:
Exp(Y)
                = Exp(a + b × X – 2 × s)
                = Exp(a + b ×  – 2 × s)
                = Exp( +  ×  – 2 × )
                = Exp()
                = $
Description
- The secondary trend is decreasing.
 - The decline rate of the secondary trend is 5.85% per annum.
 - APA price at the close of August 4, 2016 was lower than the bottom border of the secondary price channel by $0.06 (0.12%).
 
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