Ziff Davis Inc (ZD)
J2 Global, Inc. provides Internet services worldwide. The company is headquartered in Los Angeles, California.
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 22.39% per annum.
- ZD price at the close of November 19, 2024 was $55.46 and was inside the primary price channel.
- The secondary trend is decreasing.
- The decline rate of the secondary trend is 41.25% per annum.
- ZD price at the close of November 19, 2024 was higher than the top border of the secondary price channel by $6.65 (13.63%). This indicates a possible reversal in the secondary trend direction.
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 ZD 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: June 21, 2021
End date: November 7, 2024
a = 5.1444
b = -0.0007
s = 0.0967
Annual growth rate:
Exp(365 × b) – 1
= Exp(365 × -0.0007) – 1
= -22.39%
Price channel spread:
Exp(4 × s) – 1
= Exp(4 × 0.0967) – 1
= 47.23%
June 21, 2021 calculations
Top border of price channel:
Exp(Y397)
= Exp(a + b × X397 + 2 × s)
= Exp(a + b × 579 + 2 × s)
= Exp(5.1444 + -0.0007 × 579 + 2 × 0.0967)
= Exp(4.9358)
= $139.19
Bottom border of price channel:
Exp(Y397)
= Exp(a + b × X397 – 2 × s)
= Exp(a + b × 579 – 2 × s)
= Exp(5.1444 + -0.0007 × 579 – 2 × 0.0967)
= Exp(4.5490)
= $94.53
November 7, 2024 calculations
Top border of price channel:
Exp(Y1,249)
= Exp(a + b × X1,249 + 2 × s)
= Exp(a + b × 1,814 + 2 × s)
= Exp(5.1444 + -0.0007 × 1,814 + 2 × 0.0967)
= Exp(4.0783)
= $59.05
Bottom border of price channel:
Exp(Y1,249)
= Exp(a + b × X1,249 – 2 × s)
= Exp(a + b × 1,814 – 2 × s)
= Exp(5.1444 + -0.0007 × 1,814 – 2 × 0.0967)
= Exp(3.6915)
= $40.10
Description
- The primary trend is decreasing.
- The decline rate of the primary trend is 22.39% per annum.
- ZD price at the close of November 19, 2024 was $55.46 and was inside the primary price channel.
Secondary Trend
Start date: December 14, 2023
End date: November 7, 2024
a = 6.4120
b = -0.0015
s = 0.0685
Annual growth rate:
Exp(365 × b) – 1
= Exp(365 × -0.0015) – 1
= -41.25%
Price channel spread:
Exp(4 × s) – 1
= Exp(4 × 0.0685) – 1
= 31.54%
December 14, 2023 calculations
Top border of price channel:
Exp(Y1,023)
= Exp(a + b × X1,023 + 2 × s)
= Exp(a + b × 1,485 + 2 × s)
= Exp(6.4120 + -0.0015 × 1,485 + 2 × 0.0685)
= Exp(4.3848)
= $80.22
Bottom border of price channel:
Exp(Y1,023)
= Exp(a + b × X1,023 – 2 × s)
= Exp(a + b × 1,485 – 2 × s)
= Exp(6.4120 + -0.0015 × 1,485 – 2 × 0.0685)
= Exp(4.1107)
= $60.99
November 7, 2024 calculations
Top border of price channel:
Exp(Y1,249)
= Exp(a + b × X1,249 + 2 × s)
= Exp(a + b × 1,814 + 2 × s)
= Exp(6.4120 + -0.0015 × 1,814 + 2 × 0.0685)
= Exp(3.9053)
= $49.67
Bottom border of price channel:
Exp(Y1,249)
= Exp(a + b × X1,249 – 2 × s)
= Exp(a + b × 1,814 – 2 × s)
= Exp(6.4120 + -0.0015 × 1,814 – 2 × 0.0685)
= Exp(3.6312)
= $37.76
Description
- The secondary trend is decreasing.
- The decline rate of the secondary trend is 41.25% per annum.
- ZD price at the close of November 19, 2024 was higher than the top border of the secondary price channel by $6.65 (13.63%). This indicates a possible reversal in the secondary trend direction.