Delta Air Lines Inc (DAL)
Delta Air Lines, Inc., typically referred to as Delta, is one of the major airlines of the United States and a legacy carrier. It is headquartered in Atlanta, Georgia.
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 558.66% per annum.
- DAL price at the close of November 19, 2024 was $64.75 and was inside the primary price channel.
- The secondary trend is increasing.
- The growth rate of the secondary trend is 873.93% per annum.
- DAL price at the close of November 19, 2024 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 DAL 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 5, 2024
End date: November 19, 2024
a = -5.2719
b = 0.0052
s = 0.0259
Annual growth rate:
Exp(365 × b) – 1
= Exp(365 × 0.0052) – 1
= 558.66%
Price channel spread:
Exp(4 × s) – 1
= Exp(4 × 0.0259) – 1
= 10.91%
August 5, 2024 calculations
Top border of price channel:
Exp(Y1,182)
= Exp(a + b × X1,182 + 2 × s)
= Exp(a + b × 1,720 + 2 × s)
= Exp(-5.2719 + 0.0052 × 1,720 + 2 × 0.0259)
= Exp(3.6628)
= $38.97
Bottom border of price channel:
Exp(Y1,182)
= Exp(a + b × X1,182 – 2 × s)
= Exp(a + b × 1,720 – 2 × s)
= Exp(-5.2719 + 0.0052 × 1,720 – 2 × 0.0259)
= Exp(3.5592)
= $35.13
November 19, 2024 calculations
Top border of price channel:
Exp(Y1,257)
= Exp(a + b × X1,257 + 2 × s)
= Exp(a + b × 1,826 + 2 × s)
= Exp(-5.2719 + 0.0052 × 1,826 + 2 × 0.0259)
= Exp(4.2102)
= $67.37
Bottom border of price channel:
Exp(Y1,257)
= Exp(a + b × X1,257 – 2 × s)
= Exp(a + b × 1,826 – 2 × s)
= Exp(-5.2719 + 0.0052 × 1,826 – 2 × 0.0259)
= Exp(4.1066)
= $60.74
Description
- The primary trend is increasing.
- The growth rate of the primary trend is 558.66% per annum.
- DAL price at the close of November 19, 2024 was $64.75 and was inside the primary price channel.
Secondary Trend
Start date: October 2, 2024
End date: November 19, 2024
a = -7.2056
b = 0.0062
s = 0.0235
Annual growth rate:
Exp(365 × b) – 1
= Exp(365 × 0.0062) – 1
= 873.93%
Price channel spread:
Exp(4 × s) – 1
= Exp(4 × 0.0235) – 1
= 9.86%
October 2, 2024 calculations
Top border of price channel:
Exp(Y1,223)
= Exp(a + b × X1,223 + 2 × s)
= Exp(a + b × 1,778 + 2 × s)
= Exp(-7.2056 + 0.0062 × 1,778 + 2 × 0.0235)
= Exp(3.9291)
= $50.86
Bottom border of price channel:
Exp(Y1,223)
= Exp(a + b × X1,223 – 2 × s)
= Exp(a + b × 1,778 – 2 × s)
= Exp(-7.2056 + 0.0062 × 1,778 – 2 × 0.0235)
= Exp(3.8351)
= $46.30
November 19, 2024 calculations
Top border of price channel:
Exp(Y1,257)
= Exp(a + b × X1,257 + 2 × s)
= Exp(a + b × 1,826 + 2 × s)
= Exp(-7.2056 + 0.0062 × 1,826 + 2 × 0.0235)
= Exp(4.2285)
= $68.61
Bottom border of price channel:
Exp(Y1,257)
= Exp(a + b × X1,257 – 2 × s)
= Exp(a + b × 1,826 – 2 × s)
= Exp(-7.2056 + 0.0062 × 1,826 – 2 × 0.0235)
= Exp(4.1344)
= $62.45
Description
- The secondary trend is increasing.
- The growth rate of the secondary trend is 873.93% per annum.
- DAL price at the close of November 19, 2024 was inside the secondary price channel.