Stock Price Trends

Core Natural Resources, Inc. (CNR)

Cornerstone Building Brands, Inc. designs, designs, manufactures, markets, and installs exterior building products for the commercial, residential, and repair and remodeling markets in the United States, Canada, Mexico, and internationally. The company is headquartered in Cary, North Carolina.

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 28.67% per annum.
  • CNR price at the close of April 17, 2025 was $75.55 and was lower than the bottom border of the primary price channel by $3.10 (3.94%). This indicates a possible reversal in the primary trend direction.
  • The secondary trend is decreasing.
  • The decline rate of the secondary trend is 80.25% per annum.
  • CNR price at the close of April 17, 2025 was higher than the top border of the secondary price channel by $2.44 (3.33%). This indicates a possible reversal in the secondary trend direction.
  • 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 CNR 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 13, 2022
End date: April 17, 2025

a = 3.4502

b = 0.0007

s = 0.1721

Annual growth rate:

Exp(365 × b) – 1
= Exp(365 × 0.0007) – 1
= 28.67%

Price channel spread:

Exp(4 × s) – 1
= Exp(4 × 0.1721) – 1
= 99.08%

April 13, 2022 calculations

Top border of price channel:

Exp(Y501)
= Exp(a + b × X501 + 2 × s)
= Exp(a + b × 723 + 2 × s)
= Exp(3.4502 + 0.0007 × 723 + 2 × 0.1721)
= Exp(4.2938)
= $73.24

Bottom border of price channel:

Exp(Y501)
= Exp(a + b × X501 – 2 × s)
= Exp(a + b × 723 – 2 × s)
= Exp(3.4502 + 0.0007 × 723 – 2 × 0.1721)
= Exp(3.6053)
= $36.79

April 17, 2025 calculations

Top border of price channel:

Exp(Y1,256)
= Exp(a + b × X1,256 + 2 × s)
= Exp(a + b × 1,823 + 2 × s)
= Exp(3.4502 + 0.0007 × 1,823 + 2 × 0.1721)
= Exp(5.0535)
= $156.57

Bottom border of price channel:

Exp(Y1,256)
= Exp(a + b × X1,256 – 2 × s)
= Exp(a + b × 1,823 – 2 × s)
= Exp(3.4502 + 0.0007 × 1,823 – 2 × 0.1721)
= Exp(4.3649)
= $78.65

Description

  • The primary trend is increasing.
  • The growth rate of the primary trend is 28.67% per annum.
  • CNR price at the close of April 17, 2025 was $75.55 and was lower than the bottom border of the primary price channel by $3.10 (3.94%). This indicates a possible reversal in the primary trend direction.

Secondary Trend

Start date: November 6, 2024
End date: April 17, 2025

a = 12.2763

b = -0.0044

s = 0.0585

Annual growth rate:

Exp(365 × b) – 1
= Exp(365 × -0.0044) – 1
= -80.25%

Price channel spread:

Exp(4 × s) – 1
= Exp(4 × 0.0585) – 1
= 26.35%

November 6, 2024 calculations

Top border of price channel:

Exp(Y1,146)
= Exp(a + b × X1,146 + 2 × s)
= Exp(a + b × 1,661 + 2 × s)
= Exp(12.2763 + -0.0044 × 1,661 + 2 × 0.0585)
= Exp(5.0119)
= $150.20

Bottom border of price channel:

Exp(Y1,146)
= Exp(a + b × X1,146 – 2 × s)
= Exp(a + b × 1,661 – 2 × s)
= Exp(12.2763 + -0.0044 × 1,661 – 2 × 0.0585)
= Exp(4.7780)
= $118.87

April 17, 2025 calculations

Top border of price channel:

Exp(Y1,256)
= Exp(a + b × X1,256 + 2 × s)
= Exp(a + b × 1,823 + 2 × s)
= Exp(12.2763 + -0.0044 × 1,823 + 2 × 0.0585)
= Exp(4.2920)
= $73.11

Bottom border of price channel:

Exp(Y1,256)
= Exp(a + b × X1,256 – 2 × s)
= Exp(a + b × 1,823 – 2 × s)
= Exp(12.2763 + -0.0044 × 1,823 – 2 × 0.0585)
= Exp(4.0581)
= $57.86

Description

  • The secondary trend is decreasing.
  • The decline rate of the secondary trend is 80.25% per annum.
  • CNR price at the close of April 17, 2025 was higher than the top border of the secondary price channel by $2.44 (3.33%). This indicates a possible reversal in the secondary trend direction.