Stock Price Trends

WW Grainger Inc (GWW)

W. W. Grainger, Inc. (GWW) is a leading American industrial supply company, headquartered in Chicago, Illinois, and established in 1927. As a Fortune 500 entity, Grainger specializes in providing a comprehensive range of maintenance, repair, and operations (MRO) products to businesses across various industries, including manufacturing, healthcare, and government. The company leverages a robust distribution network and advanced e-commerce solutions to enhance customer service and efficiency. With a strong commitment to sustainability and innovation, Grainger continues to adapt to evolving market needs while delivering value to its extensive customer base.

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 9.97% per annum.
  • GWW price at the close of February 4, 2026 was $1,194.93 and was higher than the top border of the primary price channel by $145.85 (13.90%). This indicates a possible reversal in the primary trend direction.
  • The secondary trend is increasing.
  • The growth rate of the secondary trend is 91.85% per annum.
  • GWW price at the close of February 4, 2026 was higher than the top border of the secondary price channel by $64.82 (5.74%).
  • 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 GWW 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: September 19, 2024
End date: January 7, 2026

a = 7.3829

b = -0.0003

s = 0.0490

Annual growth rate:

Exp(365 × b) – 1
= Exp(365 × -0.0003) – 1
= -9.97%

Price channel spread:

Exp(4 × s) – 1
= Exp(4 × 0.0490) – 1
= 21.66%

September 19, 2024 calculations

Top border of price channel:

Exp(Y910)
= Exp(a + b × X910 + 2 × s)
= Exp(a + b × 1,322 + 2 × s)
= Exp(7.3829 + -0.0003 × 1,322 + 2 × 0.0490)
= Exp(7.1004)
= $1,212.48

Bottom border of price channel:

Exp(Y910)
= Exp(a + b × X910 – 2 × s)
= Exp(a + b × 1,322 – 2 × s)
= Exp(7.3829 + -0.0003 × 1,322 – 2 × 0.0490)
= Exp(6.9044)
= $996.65

January 7, 2026 calculations

Top border of price channel:

Exp(Y1,235)
= Exp(a + b × X1,235 + 2 × s)
= Exp(a + b × 1,797 + 2 × s)
= Exp(7.3829 + -0.0003 × 1,797 + 2 × 0.0490)
= Exp(6.9637)
= $1,057.57

Bottom border of price channel:

Exp(Y1,235)
= Exp(a + b × X1,235 – 2 × s)
= Exp(a + b × 1,797 – 2 × s)
= Exp(7.3829 + -0.0003 × 1,797 – 2 × 0.0490)
= Exp(6.7677)
= $869.31

Description

  • The primary trend is decreasing.
  • The decline rate of the primary trend is 9.97% per annum.
  • GWW price at the close of February 4, 2026 was $1,194.93 and was higher than the top border of the primary price channel by $145.85 (13.90%). This indicates a possible reversal in the primary trend direction.

Secondary Trend

Start date: November 6, 2025
End date: February 2, 2026

a = 3.7339

b = 0.0018

s = 0.0192

Annual growth rate:

Exp(365 × b) – 1
= Exp(365 × 0.0018) – 1
= 91.85%

Price channel spread:

Exp(4 × s) – 1
= Exp(4 × 0.0192) – 1
= 7.97%

November 6, 2025 calculations

Top border of price channel:

Exp(Y1,194)
= Exp(a + b × X1,194 + 2 × s)
= Exp(a + b × 1,735 + 2 × s)
= Exp(3.7339 + 0.0018 × 1,735 + 2 × 0.0192)
= Exp(6.8694)
= $962.38

Bottom border of price channel:

Exp(Y1,194)
= Exp(a + b × X1,194 – 2 × s)
= Exp(a + b × 1,735 – 2 × s)
= Exp(3.7339 + 0.0018 × 1,735 – 2 × 0.0192)
= Exp(6.7927)
= $891.34

February 2, 2026 calculations

Top border of price channel:

Exp(Y1,252)
= Exp(a + b × X1,252 + 2 × s)
= Exp(a + b × 1,823 + 2 × s)
= Exp(3.7339 + 0.0018 × 1,823 + 2 × 0.0192)
= Exp(7.0265)
= $1,126.08

Bottom border of price channel:

Exp(Y1,252)
= Exp(a + b × X1,252 – 2 × s)
= Exp(a + b × 1,823 – 2 × s)
= Exp(3.7339 + 0.0018 × 1,823 – 2 × 0.0192)
= Exp(6.9498)
= $1,042.96

Description

  • The secondary trend is increasing.
  • The growth rate of the secondary trend is 91.85% per annum.
  • GWW price at the close of February 4, 2026 was higher than the top border of the secondary price channel by $64.82 (5.74%).