BIIB
Price
$172.50
Change
-$5.05 (-2.84%)
Updated
Dec 11 closing price
Capitalization
25.31B
48 days until earnings call
Intraday BUY SELL Signals
GSK
Price
$48.88
Change
+$0.47 (+0.97%)
Updated
Dec 11 closing price
Capitalization
97.44B
54 days until earnings call
Intraday BUY SELL Signals
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BIIB vs GSK

Header iconBIIB vs GSK Comparison
Open Charts BIIB vs GSKBanner chart's image
Biogen
Price$172.50
Change-$5.05 (-2.84%)
Volume$2.72M
Capitalization25.31B
GSK
Price$48.88
Change+$0.47 (+0.97%)
Volume$3.87M
Capitalization97.44B
BIIB vs GSK Comparison Chart in %
BIIB
Daily Signal:
Gain/Loss:
GSK
Daily Signal:
Gain/Loss:
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VS
BIIB vs. GSK commentary
Dec 13, 2025

To compare these two companies we present long-term analysis, their fundamental ratings and make comparative short-term technical analysis which are presented below. The conclusion is BIIB is a Hold and GSK is a Buy.

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COMPARISON
Comparison
Dec 13, 2025
Stock price -- (BIIB: $172.50 vs. GSK: $48.88)
Brand notoriety: BIIB: Notable vs. GSK: Not notable
Both companies represent the Pharmaceuticals: Major industry
Current volume relative to the 65-day Moving Average: BIIB: 154% vs. GSK: 81%
Market capitalization -- BIIB: $25.31B vs. GSK: $97.44B
BIIB [@Pharmaceuticals: Major] is valued at $25.31B. GSK’s [@Pharmaceuticals: Major] market capitalization is $97.44B. The market cap for tickers in the [@Pharmaceuticals: Major] industry ranges from $903.41B to $0. The average market capitalization across the [@Pharmaceuticals: Major] industry is $100.58B.

Long-Term Analysis

It is best to consider a long-term outlook for a ticker by using Fundamental Analysis (FA) ratings. The rating of 1 to 100, where 1 is best and 100 is worst, is divided into thirds. The first third (a green rating of 1-33) indicates that the ticker is undervalued; the second third (a grey number between 34 and 66) means that the ticker is valued fairly; and the last third (red number of 67 to 100) reflects that the ticker is undervalued. We use an FA Score to show how many ratings show the ticker to be undervalued (green) or overvalued (red).

BIIB’s FA Score shows that 2 FA rating(s) are green whileGSK’s FA Score has 1 green FA rating(s).

  • BIIB’s FA Score: 2 green, 3 red.
  • GSK’s FA Score: 1 green, 4 red.
According to our system of comparison, GSK is a better buy in the long-term than BIIB.

Short-Term Analysis

It is best to consider a short-term outlook for a ticker by using Technical Analysis (TA) indicators. We use Odds of Success as the percentage of outcomes which confirm successful trade signals in the past.

If the Odds of Success (the likelihood of the continuation of a trend) for each indicator are greater than 50%, then the generated signal is confirmed. A green percentage from 90% to 51% indicates that the ticker is in a bullish trend. A red percentage from 90% - 51% indicates that the ticker is in a bearish trend. All grey percentages are below 50% and are considered not to confirm the trend signal.

BIIB’s TA Score shows that 3 TA indicator(s) are bullish while GSK’s TA Score has 3 bullish TA indicator(s).

  • BIIB’s TA Score: 3 bullish, 5 bearish.
  • GSK’s TA Score: 3 bullish, 5 bearish.
According to our system of comparison, GSK is a better buy in the short-term than BIIB.

Price Growth

BIIB (@Pharmaceuticals: Major) experienced а -5.21% price change this week, while GSK (@Pharmaceuticals: Major) price change was +0.64% for the same time period.

The average weekly price growth across all stocks in the @Pharmaceuticals: Major industry was +0.25%. For the same industry, the average monthly price growth was +1.54%, and the average quarterly price growth was +12.47%.

Reported Earning Dates

BIIB is expected to report earnings on Jan 29, 2026.

GSK is expected to report earnings on Feb 04, 2026.

Industries' Descriptions

@Pharmaceuticals: Major (+0.25% weekly)

The Major Pharmaceuticals industry includes companies that are involved in various processes of creating drugs to treat/prevent diseases. These companies engage in research, testing and manufacturing, as well as the distribution of pharmaceuticals into markets. Johnson & Johnson, Merck & Co., Inc., Pfizer Inc. and Novartis are among the largest companies in this category.

SUMMARIES
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FUNDAMENTALS
Fundamentals
GSK($97.4B) has a higher market cap than BIIB($25.3B). BIIB has higher P/E ratio than GSK: BIIB (15.72) vs GSK (13.73). GSK YTD gains are higher at: 49.433 vs. BIIB (12.804). GSK has higher annual earnings (EBITDA): 8.61B vs. BIIB (2.79B). GSK has more cash in the bank: 3.62B vs. BIIB (2.76B). BIIB has less debt than GSK: BIIB (6.6B) vs GSK (17.4B). GSK has higher revenues than BIIB: GSK (31.6B) vs BIIB (10B).
BIIBGSKBIIB / GSK
Capitalization25.3B97.4B26%
EBITDA2.79B8.61B32%
Gain YTD12.80449.43326%
P/E Ratio15.7213.73115%
Revenue10B31.6B32%
Total Cash2.76B3.62B76%
Total Debt6.6B17.4B38%
FUNDAMENTALS RATINGS
BIIB vs GSK: Fundamental Ratings
BIIB
GSK
OUTLOOK RATING
1..100
2666
VALUATION
overvalued / fair valued / undervalued
1..100
92
Overvalued
9
Undervalued
PROFIT vs RISK RATING
1..100
10042
SMR RATING
1..100
7340
PRICE GROWTH RATING
1..100
1444
P/E GROWTH RATING
1..100
2887
SEASONALITY SCORE
1..100
4365

Tickeron ratings are formulated such that a rating of 1 designates the most successful stocks in a given industry, while a rating of 100 points to the least successful stocks for that industry.

GSK's Valuation (9) in the Pharmaceuticals Major industry is significantly better than the same rating for BIIB (92) in the Biotechnology industry. This means that GSK’s stock grew significantly faster than BIIB’s over the last 12 months.

GSK's Profit vs Risk Rating (42) in the Pharmaceuticals Major industry is somewhat better than the same rating for BIIB (100) in the Biotechnology industry. This means that GSK’s stock grew somewhat faster than BIIB’s over the last 12 months.

GSK's SMR Rating (40) in the Pharmaceuticals Major industry is somewhat better than the same rating for BIIB (73) in the Biotechnology industry. This means that GSK’s stock grew somewhat faster than BIIB’s over the last 12 months.

BIIB's Price Growth Rating (14) in the Biotechnology industry is in the same range as GSK (44) in the Pharmaceuticals Major industry. This means that BIIB’s stock grew similarly to GSK’s over the last 12 months.

BIIB's P/E Growth Rating (28) in the Biotechnology industry is somewhat better than the same rating for GSK (87) in the Pharmaceuticals Major industry. This means that BIIB’s stock grew somewhat faster than GSK’s over the last 12 months.

TECHNICAL ANALYSIS
Technical Analysis
BIIBGSK
RSI
ODDS (%)
Bearish Trend 3 days ago
65%
Bearish Trend 2 days ago
60%
Stochastic
ODDS (%)
Bearish Trend 3 days ago
74%
Bearish Trend 2 days ago
44%
Momentum
ODDS (%)
Bearish Trend 3 days ago
69%
Bullish Trend 2 days ago
66%
MACD
ODDS (%)
Bearish Trend 3 days ago
58%
Bearish Trend 2 days ago
49%
TrendWeek
ODDS (%)
Bearish Trend 3 days ago
70%
Bullish Trend 2 days ago
63%
TrendMonth
ODDS (%)
Bullish Trend 3 days ago
59%
Bullish Trend 2 days ago
58%
Advances
ODDS (%)
Bullish Trend 9 days ago
56%
Bullish Trend 2 days ago
61%
Declines
ODDS (%)
Bearish Trend 4 days ago
69%
Bearish Trend 8 days ago
50%
BollingerBands
ODDS (%)
Bearish Trend 3 days ago
68%
Bearish Trend 2 days ago
48%
Aroon
ODDS (%)
Bullish Trend 3 days ago
55%
Bullish Trend 2 days ago
52%
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BIIB
Daily Signal:
Gain/Loss:
GSK
Daily Signal:
Gain/Loss:
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BIIB and

Correlation & Price change

A.I.dvisor indicates that over the last year, BIIB has been closely correlated with PFE. These tickers have moved in lockstep 66% of the time. This A.I.-generated data suggests there is a high statistical probability that if BIIB jumps, then PFE could also see price increases.

1D
1W
1M
1Q
6M
1Y
5Y
Ticker /
NAME
Correlation
To BIIB
1D Price
Change %
BIIB100%
-2.84%
PFE - BIIB
66%
Closely correlated
+0.08%
AMGN - BIIB
60%
Loosely correlated
+0.63%
MRK - BIIB
57%
Loosely correlated
+1.42%
BMY - BIIB
55%
Loosely correlated
-0.02%
AZN - BIIB
52%
Loosely correlated
-1.33%
More

GSK and

Correlation & Price change

A.I.dvisor indicates that over the last year, GSK has been closely correlated with NVS. These tickers have moved in lockstep 69% of the time. This A.I.-generated data suggests there is a high statistical probability that if GSK jumps, then NVS could also see price increases.

1D
1W
1M
1Q
6M
1Y
5Y
Ticker /
NAME
Correlation
To GSK
1D Price
Change %
GSK100%
+0.97%
NVS - GSK
69%
Closely correlated
+0.89%
AZN - GSK
65%
Loosely correlated
-1.33%
PFE - GSK
57%
Loosely correlated
+0.08%
JNJ - GSK
52%
Loosely correlated
+1.68%
BMY - GSK
52%
Loosely correlated
-0.02%
More