BIIB
Price
$166.29
Change
+$4.81 (+2.98%)
Updated
Nov 13, 03:27 PM (EDT)
Capitalization
23.69B
77 days until earnings call
Intraday BUY SELL Signals
MRK
Price
$93.23
Change
+$1.78 (+1.95%)
Updated
Nov 13, 03:53 PM (EDT)
Capitalization
226.98B
82 days until earnings call
Intraday BUY SELL Signals
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BIIB vs MRK

Header iconBIIB vs MRK Comparison
Open Charts BIIB vs MRKBanner chart's image
Biogen
Price$166.29
Change+$4.81 (+2.98%)
Volume$400
Capitalization23.69B
Merck & Co
Price$93.23
Change+$1.78 (+1.95%)
Volume$4K
Capitalization226.98B
BIIB vs MRK Comparison Chart in %
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BIIB vs. MRK commentary
Nov 14, 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 StrongBuy and MRK is a Buy.

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COMPARISON
Comparison
Nov 14, 2025
Stock price -- (BIIB: $161.48 vs. MRK: $91.45)
Brand notoriety: BIIB and MRK are both notable
Both companies represent the Pharmaceuticals: Major industry
Current volume relative to the 65-day Moving Average: BIIB: 97% vs. MRK: 115%
Market capitalization -- BIIB: $23.69B vs. MRK: $226.98B
BIIB [@Pharmaceuticals: Major] is valued at $23.69B. MRK’s [@Pharmaceuticals: Major] market capitalization is $226.98B. The market cap for tickers in the [@Pharmaceuticals: Major] industry ranges from $910.93B to $0. The average market capitalization across the [@Pharmaceuticals: Major] industry is $98.13B.

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 0 FA rating(s) are green whileMRK’s FA Score has 2 green FA rating(s).

  • BIIB’s FA Score: 0 green, 5 red.
  • MRK’s FA Score: 2 green, 3 red.
According to our system of comparison, MRK 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 MRK’s TA Score has 4 bullish TA indicator(s).

  • BIIB’s TA Score: 3 bullish, 5 bearish.
  • MRK’s TA Score: 4 bullish, 5 bearish.
According to our system of comparison, both BIIB and MRK are a bad buy in the short-term.

Price Growth

BIIB (@Pharmaceuticals: Major) experienced а +5.25% price change this week, while MRK (@Pharmaceuticals: Major) price change was +8.37% for the same time period.

The average weekly price growth across all stocks in the @Pharmaceuticals: Major industry was +3.48%. For the same industry, the average monthly price growth was +1.46%, and the average quarterly price growth was +19.41%.

Reported Earning Dates

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

MRK is expected to report earnings on Feb 03, 2026.

Industries' Descriptions

@Pharmaceuticals: Major (+3.48% 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
MRK($227B) has a higher market cap than BIIB($23.7B). BIIB has higher P/E ratio than MRK: BIIB (14.72) vs MRK (12.10). BIIB YTD gains are higher at: 5.598 vs. MRK (-5.424). MRK has higher annual earnings (EBITDA): 25B vs. BIIB (2.79B). BIIB has less debt than MRK: BIIB (6.6B) vs MRK (35.4B). MRK has higher revenues than BIIB: MRK (63.6B) vs BIIB (10B).
BIIBMRKBIIB / MRK
Capitalization23.7B227B10%
EBITDA2.79B25B11%
Gain YTD5.598-5.424-103%
P/E Ratio14.7212.10122%
Revenue10B63.6B16%
Total Cash2.76BN/A-
Total Debt6.6B35.4B19%
FUNDAMENTALS RATINGS
BIIB vs MRK: Fundamental Ratings
BIIB
MRK
OUTLOOK RATING
1..100
129
VALUATION
overvalued / fair valued / undervalued
1..100
91
Overvalued
11
Undervalued
PROFIT vs RISK RATING
1..100
10068
SMR RATING
1..100
7327
PRICE GROWTH RATING
1..100
4547
P/E GROWTH RATING
1..100
4689
SEASONALITY SCORE
1..100
5050

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.

MRK's Valuation (11) in the Pharmaceuticals Major industry is significantly better than the same rating for BIIB (91) in the Biotechnology industry. This means that MRK’s stock grew significantly faster than BIIB’s over the last 12 months.

MRK's Profit vs Risk Rating (68) in the Pharmaceuticals Major industry is in the same range as BIIB (100) in the Biotechnology industry. This means that MRK’s stock grew similarly to BIIB’s over the last 12 months.

MRK's SMR Rating (27) in the Pharmaceuticals Major industry is somewhat better than the same rating for BIIB (73) in the Biotechnology industry. This means that MRK’s stock grew somewhat faster than BIIB’s over the last 12 months.

BIIB's Price Growth Rating (45) in the Biotechnology industry is in the same range as MRK (47) in the Pharmaceuticals Major industry. This means that BIIB’s stock grew similarly to MRK’s over the last 12 months.

BIIB's P/E Growth Rating (46) in the Biotechnology industry is somewhat better than the same rating for MRK (89) in the Pharmaceuticals Major industry. This means that BIIB’s stock grew somewhat faster than MRK’s over the last 12 months.

TECHNICAL ANALYSIS
Technical Analysis
BIIBMRK
RSI
ODDS (%)
Bearish Trend 2 days ago
74%
Bearish Trend 2 days ago
65%
Stochastic
ODDS (%)
Bearish Trend 2 days ago
72%
Bearish Trend 2 days ago
58%
Momentum
ODDS (%)
Bullish Trend 2 days ago
60%
Bullish Trend 2 days ago
52%
MACD
ODDS (%)
Bullish Trend 2 days ago
57%
Bullish Trend 2 days ago
47%
TrendWeek
ODDS (%)
Bullish Trend 2 days ago
56%
Bullish Trend 2 days ago
50%
TrendMonth
ODDS (%)
Bullish Trend 2 days ago
59%
Bullish Trend 2 days ago
47%
Advances
ODDS (%)
Bullish Trend 2 days ago
55%
Bullish Trend 2 days ago
49%
Declines
ODDS (%)
Bearish Trend 10 days ago
68%
Bearish Trend 22 days ago
51%
BollingerBands
ODDS (%)
Bearish Trend 2 days ago
71%
Bearish Trend 2 days ago
52%
Aroon
ODDS (%)
Bearish Trend 2 days ago
64%
Bearish Trend 2 days ago
43%
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BIIB
Daily Signal:
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MRK
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 loosely correlated with PFE. These tickers have moved in lockstep 65% of the time. This A.I.-generated data suggests there is some 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%
+1.20%
PFE - BIIB
65%
Loosely correlated
+1.41%
AMGN - BIIB
60%
Loosely correlated
-0.64%
MRK - BIIB
54%
Loosely correlated
+0.55%
BMY - BIIB
53%
Loosely correlated
+0.74%
AZN - BIIB
50%
Loosely correlated
-1.58%
More

MRK and

Correlation & Price change

A.I.dvisor indicates that over the last year, MRK 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 MRK jumps, then PFE could also see price increases.

1D
1W
1M
1Q
6M
1Y
5Y
Ticker /
NAME
Correlation
To MRK
1D Price
Change %
MRK100%
+0.55%
PFE - MRK
66%
Closely correlated
+1.41%
ABBV - MRK
57%
Loosely correlated
+3.58%
AMGN - MRK
56%
Loosely correlated
-0.64%
BIIB - MRK
54%
Loosely correlated
+1.20%
AZN - MRK
54%
Loosely correlated
-1.58%
More