Biomarin Pharmaceutical Inc (BMRN)
BioMarin Pharmaceutical Inc. is a leader in the development and commercialization of innovative therapies for people with rare genetic disorders and serious medical conditions. Headquartered in San Rafael, California, the company focuses on delivering targeted treatments that address unmet medical needs, utilizing cutting-edge science and technology. With a robust portfolio of approved therapies and a commitment to advancing research, BioMarin is positioned to make significant contributions to the field of rare disease treatment while driving long-term growth.
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 20.24% per annum.
- BMRN price at the close of February 6, 2026 was $58.13 and was inside the primary price channel.
- The secondary trend is increasing.
- The growth rate of the secondary trend is 24.82% per annum.
- BMRN price at the close of February 6, 2026 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 BMRN 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: November 30, 2022
End date: February 6, 2026
a = 5.1032
b = -0.0006
s = 0.0751
Annual growth rate:
Exp(365 × b) – 1
= Exp(365 × -0.0006) – 1
= -20.24%
Price channel spread:
Exp(4 × s) – 1
= Exp(4 × 0.0751) – 1
= 35.02%
November 30, 2022 calculations
Top border of price channel:
Exp(Y457)
= Exp(a + b × X457 + 2 × s)
= Exp(a + b × 660 + 2 × s)
= Exp(5.1032 + -0.0006 × 660 + 2 × 0.0751)
= Exp(4.8442)
= $127.01
Bottom border of price channel:
Exp(Y457)
= Exp(a + b × X457 – 2 × s)
= Exp(a + b × 660 – 2 × s)
= Exp(5.1032 + -0.0006 × 660 – 2 × 0.0751)
= Exp(4.5440)
= $94.07
February 6, 2026 calculations
Top border of price channel:
Exp(Y1,255)
= Exp(a + b × X1,255 + 2 × s)
= Exp(a + b × 1,824 + 2 × s)
= Exp(5.1032 + -0.0006 × 1,824 + 2 × 0.0751)
= Exp(4.1229)
= $61.74
Bottom border of price channel:
Exp(Y1,255)
= Exp(a + b × X1,255 – 2 × s)
= Exp(a + b × 1,824 – 2 × s)
= Exp(5.1032 + -0.0006 × 1,824 – 2 × 0.0751)
= Exp(3.8226)
= $45.72
Description
- The primary trend is decreasing.
- The decline rate of the primary trend is 20.24% per annum.
- BMRN price at the close of February 6, 2026 was $58.13 and was inside the primary price channel.
Secondary Trend
Start date: September 12, 2025
End date: February 6, 2026
a = 2.9452
b = 0.0006
s = 0.0362
Annual growth rate:
Exp(365 × b) – 1
= Exp(365 × 0.0006) – 1
= 24.82%
Price channel spread:
Exp(4 × s) – 1
= Exp(4 × 0.0362) – 1
= 15.57%
September 12, 2025 calculations
Top border of price channel:
Exp(Y1,154)
= Exp(a + b × X1,154 + 2 × s)
= Exp(a + b × 1,677 + 2 × s)
= Exp(2.9452 + 0.0006 × 1,677 + 2 × 0.0362)
= Exp(4.0363)
= $56.62
Bottom border of price channel:
Exp(Y1,154)
= Exp(a + b × X1,154 – 2 × s)
= Exp(a + b × 1,677 – 2 × s)
= Exp(2.9452 + 0.0006 × 1,677 – 2 × 0.0362)
= Exp(3.8916)
= $48.99
February 6, 2026 calculations
Top border of price channel:
Exp(Y1,255)
= Exp(a + b × X1,255 + 2 × s)
= Exp(a + b × 1,824 + 2 × s)
= Exp(2.9452 + 0.0006 × 1,824 + 2 × 0.0362)
= Exp(4.1257)
= $61.91
Bottom border of price channel:
Exp(Y1,255)
= Exp(a + b × X1,255 – 2 × s)
= Exp(a + b × 1,824 – 2 × s)
= Exp(2.9452 + 0.0006 × 1,824 – 2 × 0.0362)
= Exp(3.9809)
= $53.57
Description
- The secondary trend is increasing.
- The growth rate of the secondary trend is 24.82% per annum.
- BMRN price at the close of February 6, 2026 was inside the secondary price channel.