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 decreasing.
- The decline rate of the primary trend is 9.22% per annum.
- UAA price at the close of February 13, 2026 was $7.19 and was inside the primary price channel.
- The secondary trend is increasing.
- The growth rate of the secondary trend is 1,803.21% per annum.
- UAA price at the close of February 13, 2026 was inside the secondary price channel.
- 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 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: May 6, 2022
End date: August 7, 2025
a = 2.3492
b = -0.0003
s = 0.1361
Annual growth rate:
Exp(365 × b) – 1
= Exp(365 × -0.0003) – 1
= -9.22%
Price channel spread:
Exp(4 × s) – 1
= Exp(4 × 0.1361) – 1
= 72.33%
May 6, 2022 calculations
Top border of price channel:
Exp(Y309)
= Exp(a + b × X309 + 2 × s)
= Exp(a + b × 444 + 2 × s)
= Exp(2.3492 + -0.0003 × 444 + 2 × 0.1361)
= Exp(2.5037)
= $12.23
Bottom border of price channel:
Exp(Y309)
= Exp(a + b × X309 – 2 × s)
= Exp(a + b × 444 – 2 × s)
= Exp(2.3492 + -0.0003 × 444 – 2 × 0.1361)
= Exp(1.9594)
= $7.10
August 7, 2025 calculations
Top border of price channel:
Exp(Y1,124)
= Exp(a + b × X1,124 + 2 × s)
= Exp(a + b × 1,633 + 2 × s)
= Exp(2.3492 + -0.0003 × 1,633 + 2 × 0.1361)
= Exp(2.1888)
= $8.92
Bottom border of price channel:
Exp(Y1,124)
= Exp(a + b × X1,124 – 2 × s)
= Exp(a + b × 1,633 – 2 × s)
= Exp(2.3492 + -0.0003 × 1,633 – 2 × 0.1361)
= Exp(1.6445)
= $5.18
Description
- The primary trend is decreasing.
- The decline rate of the primary trend is 9.22% per annum.
- UAA price at the close of February 13, 2026 was $7.19 and was inside the primary price channel.
Secondary Trend
Start date: December 8, 2025
End date: February 13, 2026
a = -12.7359
b = 0.0081
s = 0.0451
Annual growth rate:
Exp(365 × b) – 1
= Exp(365 × 0.0081) – 1
= 1,803.21%
Price channel spread:
Exp(4 × s) – 1
= Exp(4 × 0.0451) – 1
= 19.75%
December 8, 2025 calculations
Top border of price channel:
Exp(Y1,209)
= Exp(a + b × X1,209 + 2 × s)
= Exp(a + b × 1,756 + 2 × s)
= Exp(-12.7359 + 0.0081 × 1,756 + 2 × 0.0451)
= Exp(1.5279)
= $4.61
Bottom border of price channel:
Exp(Y1,209)
= Exp(a + b × X1,209 – 2 × s)
= Exp(a + b × 1,756 – 2 × s)
= Exp(-12.7359 + 0.0081 × 1,756 – 2 × 0.0451)
= Exp(1.3476)
= $3.85
February 13, 2026 calculations
Top border of price channel:
Exp(Y1,255)
= Exp(a + b × X1,255 + 2 × s)
= Exp(a + b × 1,823 + 2 × s)
= Exp(-12.7359 + 0.0081 × 1,823 + 2 × 0.0451)
= Exp(2.0687)
= $7.91
Bottom border of price channel:
Exp(Y1,255)
= Exp(a + b × X1,255 – 2 × s)
= Exp(a + b × 1,823 – 2 × s)
= Exp(-12.7359 + 0.0081 × 1,823 – 2 × 0.0451)
= Exp(1.8884)
= $6.61
Description
- The secondary trend is increasing.
- The growth rate of the secondary trend is 1,803.21% per annum.
- UAA price at the close of February 13, 2026 was inside the secondary price channel.