Stock Price Trends

Arista Networks (ANET)

Arista Networks (formerly Arastra) is an American computer networking company headquartered in Santa Clara, California. The company designs and sells multilayer network switches to deliver software-defined networking (SDN) solutions for large datacenter, cloud computing, high-performance computing, and high-frequency trading environments.

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 411.44% per annum.
  • ANET price at the close of September 12, 2025 was $139.39 and was inside the primary price channel.
  • The secondary trend is increasing.
  • The growth rate of the secondary trend is 59.19% per annum.
  • ANET price at the close of September 12, 2025 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 ANET 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 3, 2025
End date: September 12, 2025

a = -3.1667

b = 0.0045

s = 0.0607

Annual growth rate:

Exp(365 × b) – 1
= Exp(365 × 0.0045) – 1
= 411.44%

Price channel spread:

Exp(4 × s) – 1
= Exp(4 × 0.0607) – 1
= 27.46%

April 3, 2025 calculations

Top border of price channel:

Exp(Y1,143)
= Exp(a + b × X1,143 + 2 × s)
= Exp(a + b × 1,661 + 2 × s)
= Exp(-3.1667 + 0.0045 × 1,661 + 2 × 0.0607)
= Exp(4.3816)
= $79.97

Bottom border of price channel:

Exp(Y1,143)
= Exp(a + b × X1,143 – 2 × s)
= Exp(a + b × 1,661 – 2 × s)
= Exp(-3.1667 + 0.0045 × 1,661 – 2 × 0.0607)
= Exp(4.1390)
= $62.74

September 12, 2025 calculations

Top border of price channel:

Exp(Y1,254)
= Exp(a + b × X1,254 + 2 × s)
= Exp(a + b × 1,823 + 2 × s)
= Exp(-3.1667 + 0.0045 × 1,823 + 2 × 0.0607)
= Exp(5.1060)
= $165.01

Bottom border of price channel:

Exp(Y1,254)
= Exp(a + b × X1,254 – 2 × s)
= Exp(a + b × 1,823 – 2 × s)
= Exp(-3.1667 + 0.0045 × 1,823 – 2 × 0.0607)
= Exp(4.8633)
= $129.46

Description

  • The primary trend is increasing.
  • The growth rate of the primary trend is 411.44% per annum.
  • ANET price at the close of September 12, 2025 was $139.39 and was inside the primary price channel.

Secondary Trend

Start date: August 6, 2025
End date: September 12, 2025

a = 2.6295

b = 0.0013

s = 0.0330

Annual growth rate:

Exp(365 × b) – 1
= Exp(365 × 0.0013) – 1
= 59.19%

Price channel spread:

Exp(4 × s) – 1
= Exp(4 × 0.0330) – 1
= 14.13%

August 6, 2025 calculations

Top border of price channel:

Exp(Y1,228)
= Exp(a + b × X1,228 + 2 × s)
= Exp(a + b × 1,786 + 2 × s)
= Exp(2.6295 + 0.0013 × 1,786 + 2 × 0.0330)
= Exp(4.9704)
= $144.09

Bottom border of price channel:

Exp(Y1,228)
= Exp(a + b × X1,228 – 2 × s)
= Exp(a + b × 1,786 – 2 × s)
= Exp(2.6295 + 0.0013 × 1,786 – 2 × 0.0330)
= Exp(4.8383)
= $126.25

September 12, 2025 calculations

Top border of price channel:

Exp(Y1,254)
= Exp(a + b × X1,254 + 2 × s)
= Exp(a + b × 1,823 + 2 × s)
= Exp(2.6295 + 0.0013 × 1,823 + 2 × 0.0330)
= Exp(5.0176)
= $151.04

Bottom border of price channel:

Exp(Y1,254)
= Exp(a + b × X1,254 – 2 × s)
= Exp(a + b × 1,823 – 2 × s)
= Exp(2.6295 + 0.0013 × 1,823 – 2 × 0.0330)
= Exp(4.8854)
= $132.34

Description

  • The secondary trend is increasing.
  • The growth rate of the secondary trend is 59.19% per annum.
  • ANET price at the close of September 12, 2025 was inside the secondary price channel.