BIIB
Price
$144.88
Change
+$1.20 (+0.84%)
Updated
Sep 17, 04:59 PM (EDT)
Capitalization
21.07B
35 days until earnings call
MRK
Price
$81.15
Change
+$0.06 (+0.07%)
Updated
Sep 17, 04:59 PM (EDT)
Capitalization
202.55B
43 days until earnings call
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BIIB vs MRK

Header iconBIIB vs MRK Comparison
Open Charts BIIB vs MRKBanner chart's image
Biogen
Price$144.88
Change+$1.20 (+0.84%)
Volume$31.37K
Capitalization21.07B
Merck & Co
Price$81.15
Change+$0.06 (+0.07%)
Volume$76.46K
Capitalization202.55B
BIIB vs MRK Comparison Chart in %
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BIIB
Daily Signalchanged days ago
Gain/Loss if bought
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MRK
Daily Signalchanged days ago
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BIIB vs. MRK commentary
Sep 17, 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 MRK is a Hold.

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COMPARISON
Comparison
Sep 17, 2025
Stock price -- (BIIB: $143.68 vs. MRK: $81.09)
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: 129% vs. MRK: 96%
Market capitalization -- BIIB: $21.07B vs. MRK: $202.55B
BIIB [@Pharmaceuticals: Major] is valued at $21.07B. MRK’s [@Pharmaceuticals: Major] market capitalization is $202.55B. The market cap for tickers in the [@Pharmaceuticals: Major] industry ranges from $685.53B to $0. The average market capitalization across the [@Pharmaceuticals: Major] industry is $88.87B.

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 6 TA indicator(s) are bullish while MRK’s TA Score has 5 bullish TA indicator(s).

  • BIIB’s TA Score: 6 bullish, 4 bearish.
  • MRK’s TA Score: 5 bullish, 5 bearish.
According to our system of comparison, BIIB is a better buy in the short-term than MRK.

Price Growth

BIIB (@Pharmaceuticals: Major) experienced а +0.06% price change this week, while MRK (@Pharmaceuticals: Major) price change was -3.21% for the same time period.

The average weekly price growth across all stocks in the @Pharmaceuticals: Major industry was +0.05%. For the same industry, the average monthly price growth was +0.38%, and the average quarterly price growth was +11.67%.

Reported Earning Dates

BIIB is expected to report earnings on Oct 22, 2025.

MRK is expected to report earnings on Oct 30, 2025.

Industries' Descriptions

@Pharmaceuticals: Major (+0.05% 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($203B) has a higher market cap than BIIB($21.1B). BIIB has higher P/E ratio than MRK: BIIB (13.75) vs MRK (12.49). BIIB YTD gains are higher at: -6.042 vs. MRK (-16.139). 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
Capitalization21.1B203B10%
EBITDA2.79B25B11%
Gain YTD-6.042-16.13937%
P/E Ratio13.7512.49110%
Revenue10B63.6B16%
Total Cash2.76BN/A-
Total Debt6.6B35.4B19%
FUNDAMENTALS RATINGS
BIIB vs MRK: Fundamental Ratings
BIIB
MRK
OUTLOOK RATING
1..100
1464
VALUATION
overvalued / fair valued / undervalued
1..100
91
Overvalued
7
Undervalued
PROFIT vs RISK RATING
1..100
10081
SMR RATING
1..100
7427
PRICE GROWTH RATING
1..100
5662
P/E GROWTH RATING
1..100
9291
SEASONALITY SCORE
1..100
6n/a

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 (7) 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 (81) 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 (74) 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 (56) in the Biotechnology industry is in the same range as MRK (62) in the Pharmaceuticals Major industry. This means that BIIB’s stock grew similarly to MRK’s over the last 12 months.

MRK's P/E Growth Rating (91) in the Pharmaceuticals Major industry is in the same range as BIIB (92) in the Biotechnology industry. This means that MRK’s stock grew similarly to BIIB’s over the last 12 months.

TECHNICAL ANALYSIS
Technical Analysis
BIIBMRK
RSI
ODDS (%)
Bearish Trend 2 days ago
62%
Bearish Trend 2 days ago
63%
Stochastic
ODDS (%)
Bearish Trend 2 days ago
67%
Bullish Trend 2 days ago
60%
Momentum
ODDS (%)
Bullish Trend 2 days ago
60%
Bearish Trend 2 days ago
47%
MACD
ODDS (%)
Bullish Trend 2 days ago
54%
Bearish Trend 2 days ago
51%
TrendWeek
ODDS (%)
Bullish Trend 2 days ago
55%
Bearish Trend 2 days ago
49%
TrendMonth
ODDS (%)
Bullish Trend 2 days ago
57%
Bearish Trend 2 days ago
43%
Advances
ODDS (%)
Bullish Trend 9 days ago
55%
Bullish Trend 16 days ago
47%
Declines
ODDS (%)
Bearish Trend 3 days ago
69%
Bearish Trend 3 days ago
52%
BollingerBands
ODDS (%)
Bearish Trend 2 days ago
69%
Bullish Trend 2 days ago
65%
Aroon
ODDS (%)
Bullish Trend 2 days ago
56%
Bullish Trend 2 days ago
55%
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BIIB
Daily Signalchanged days ago
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MRK
Daily Signalchanged days ago
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MRK and

Correlation & Price change

A.I.dvisor indicates that over the last year, MRK has been loosely correlated with PFE. These tickers have moved in lockstep 60% of the time. This A.I.-generated data suggests there is some statistical probability that if MRK jumps, then PFE could also see price increases.

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Ticker /
NAME
Correlation
To MRK
1D Price
Change %
MRK100%
+0.09%
PFE - MRK
60%
Loosely correlated
-0.29%
ABBV - MRK
51%
Loosely correlated
-0.62%
BIIB - MRK
50%
Loosely correlated
+0.25%
BMY - MRK
47%
Loosely correlated
-0.02%
NVS - MRK
47%
Loosely correlated
-0.43%
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