Stock Price Trends

Under Armour Inc A (UAA)

Under Armour, Inc. is an American sports equipment company that manufactures footwear, sports and casual apparel. Under Armour's global headquarters are located in Baltimore, Maryland.

Stock Price Trends

Stock price trends estimated using linear regression.

Key facts

  • The primary trend is increasing.
  • The growth rate of the primary trend is 86.30% per annum.
  • UAA price at the close of November 20, 2024 was $9.12 and was inside the primary price channel.
  • The secondary trend is increasing.
  • The growth rate of the secondary trend is 173.97% per annum.
  • UAA price at the close of November 20, 2024 was inside the secondary price channel.

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 UAA 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: April 10, 2024
End date: November 20, 2024

a = -0.9044

b = 0.0017

s = 0.0666

Annual growth rate:

Exp(365 × b) – 1
= Exp(365 × 0.0017) – 1
= 86.30%

Price channel spread:

Exp(4 × s) – 1
= Exp(4 × 0.0666) – 1
= 30.54%

April 10, 2024 calculations

Top border of price channel:

Exp(Y1,101)
= Exp(a + b × X1,101 + 2 × s)
= Exp(a + b × 1,602 + 2 × s)
= Exp(-0.9044 + 0.0017 × 1,602 + 2 × 0.0666)
= Exp(1.9597)
= $7.10

Bottom border of price channel:

Exp(Y1,101)
= Exp(a + b × X1,101 – 2 × s)
= Exp(a + b × 1,602 – 2 × s)
= Exp(-0.9044 + 0.0017 × 1,602 – 2 × 0.0666)
= Exp(1.6931)
= $5.44

November 20, 2024 calculations

Top border of price channel:

Exp(Y1,257)
= Exp(a + b × X1,257 + 2 × s)
= Exp(a + b × 1,826 + 2 × s)
= Exp(-0.9044 + 0.0017 × 1,826 + 2 × 0.0666)
= Exp(2.3415)
= $10.40

Bottom border of price channel:

Exp(Y1,257)
= Exp(a + b × X1,257 – 2 × s)
= Exp(a + b × 1,826 – 2 × s)
= Exp(-0.9044 + 0.0017 × 1,826 – 2 × 0.0666)
= Exp(2.0750)
= $7.96

Description

  • The primary trend is increasing.
  • The growth rate of the primary trend is 86.30% per annum.
  • UAA price at the close of November 20, 2024 was $9.12 and was inside the primary price channel.

Secondary Trend

Start date: June 28, 2024
End date: November 20, 2024

a = -2.7719

b = 0.0028

s = 0.0624

Annual growth rate:

Exp(365 × b) – 1
= Exp(365 × 0.0028) – 1
= 173.97%

Price channel spread:

Exp(4 × s) – 1
= Exp(4 × 0.0624) – 1
= 28.33%

June 28, 2024 calculations

Top border of price channel:

Exp(Y1,156)
= Exp(a + b × X1,156 + 2 × s)
= Exp(a + b × 1,681 + 2 × s)
= Exp(-2.7719 + 0.0028 × 1,681 + 2 × 0.0624)
= Exp(1.9944)
= $7.35

Bottom border of price channel:

Exp(Y1,156)
= Exp(a + b × X1,156 – 2 × s)
= Exp(a + b × 1,681 – 2 × s)
= Exp(-2.7719 + 0.0028 × 1,681 – 2 × 0.0624)
= Exp(1.7450)
= $5.73

November 20, 2024 calculations

Top border of price channel:

Exp(Y1,257)
= Exp(a + b × X1,257 + 2 × s)
= Exp(a + b × 1,826 + 2 × s)
= Exp(-2.7719 + 0.0028 × 1,826 + 2 × 0.0624)
= Exp(2.3948)
= $10.97

Bottom border of price channel:

Exp(Y1,257)
= Exp(a + b × X1,257 – 2 × s)
= Exp(a + b × 1,826 – 2 × s)
= Exp(-2.7719 + 0.0028 × 1,826 – 2 × 0.0624)
= Exp(2.1454)
= $8.55

Description

  • The secondary trend is increasing.
  • The growth rate of the secondary trend is 173.97% per annum.
  • UAA price at the close of November 20, 2024 was inside the secondary price channel.