Core Natural Resources, Inc. (CNR)
Core Natural Resources, Inc. is a leading provider of exterior building products, specializing in the design, manufacturing, marketing, and installation for the commercial, residential, and repair sectors across North America and beyond. Headquartered in Cary, North Carolina, the company leverages its extensive industry experience and innovative solutions to address the evolving needs of its diverse customer base. With a commitment to quality and sustainability, Core Natural Resources is well-positioned to capitalize on growth opportunities in the dynamic building materials market.
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 11.00% per annum.
- CNR price at the close of October 27, 2025 was $81.88 and was inside the primary price channel.
- The secondary trend is increasing.
- The growth rate of the secondary trend is 69.27% per annum.
- CNR price at the close of October 27, 2025 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 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: August 16, 2023
End date: October 27, 2025
a = 4.9438
b = -0.0003
s = 0.1408
Annual growth rate:
Exp(365 × b) – 1
= Exp(365 × -0.0003) – 1
= -11.00%
Price channel spread:
Exp(4 × s) – 1
= Exp(4 × 0.1408) – 1
= 75.65%
August 16, 2023 calculations
Top border of price channel:
Exp(Y703)
= Exp(a + b × X703 + 2 × s)
= Exp(a + b × 1,022 + 2 × s)
= Exp(4.9438 + -0.0003 × 1,022 + 2 × 0.1408)
= Exp(4.8993)
= $134.20
Bottom border of price channel:
Exp(Y703)
= Exp(a + b × X703 – 2 × s)
= Exp(a + b × 1,022 – 2 × s)
= Exp(4.9438 + -0.0003 × 1,022 – 2 × 0.1408)
= Exp(4.3360)
= $76.40
October 27, 2025 calculations
Top border of price channel:
Exp(Y1,254)
= Exp(a + b × X1,254 + 2 × s)
= Exp(a + b × 1,825 + 2 × s)
= Exp(4.9438 + -0.0003 × 1,825 + 2 × 0.1408)
= Exp(4.6431)
= $103.86
Bottom border of price channel:
Exp(Y1,254)
= Exp(a + b × X1,254 – 2 × s)
= Exp(a + b × 1,825 – 2 × s)
= Exp(4.9438 + -0.0003 × 1,825 – 2 × 0.1408)
= Exp(4.0798)
= $59.13
Description
- The primary trend is decreasing.
- The decline rate of the primary trend is 11.00% per annum.
- CNR price at the close of October 27, 2025 was $81.88 and was inside the primary price channel.
Secondary Trend
Start date: May 8, 2025
End date: October 27, 2025
a = 1.8151
b = 0.0014
s = 0.0658
Annual growth rate:
Exp(365 × b) – 1
= Exp(365 × 0.0014) – 1
= 69.27%
Price channel spread:
Exp(4 × s) – 1
= Exp(4 × 0.0658) – 1
= 30.11%
May 8, 2025 calculations
Top border of price channel:
Exp(Y1,136)
= Exp(a + b × X1,136 + 2 × s)
= Exp(a + b × 1,653 + 2 × s)
= Exp(1.8151 + 0.0014 × 1,653 + 2 × 0.0658)
= Exp(4.3303)
= $75.97
Bottom border of price channel:
Exp(Y1,136)
= Exp(a + b × X1,136 – 2 × s)
= Exp(a + b × 1,653 – 2 × s)
= Exp(1.8151 + 0.0014 × 1,653 – 2 × 0.0658)
= Exp(4.0671)
= $58.39
October 27, 2025 calculations
Top border of price channel:
Exp(Y1,254)
= Exp(a + b × X1,254 + 2 × s)
= Exp(a + b × 1,825 + 2 × s)
= Exp(1.8151 + 0.0014 × 1,825 + 2 × 0.0658)
= Exp(4.5783)
= $97.35
Bottom border of price channel:
Exp(Y1,254)
= Exp(a + b × X1,254 – 2 × s)
= Exp(a + b × 1,825 – 2 × s)
= Exp(1.8151 + 0.0014 × 1,825 – 2 × 0.0658)
= Exp(4.3151)
= $74.82
Description
- The secondary trend is increasing.
- The growth rate of the secondary trend is 69.27% per annum.
- CNR price at the close of October 27, 2025 was inside the secondary price channel.