BIIB
Price
$177.13
Change
+$0.80 (+0.45%)
Updated
Dec 26, 04:59 PM (EDT)
Capitalization
25.87B
34 days until earnings call
Intraday BUY SELL Signals
MRK
Price
$106.82
Change
+$0.37 (+0.35%)
Updated
Dec 26, 04:59 PM (EDT)
Capitalization
264.21B
39 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$177.13
Change+$0.80 (+0.45%)
Volume$2.27K
Capitalization25.87B
Merck & Co
Price$106.82
Change+$0.37 (+0.35%)
Volume$121.35K
Capitalization264.21B
BIIB vs MRK Comparison Chart in %
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VS
BIIB vs. MRK commentary
Dec 27, 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 Buy and MRK is a Buy.

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COMPARISON
Comparison
Dec 27, 2025
Stock price -- (BIIB: $176.33 vs. MRK: $106.45)
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: 20% vs. MRK: 37%
Market capitalization -- BIIB: $25.87B vs. MRK: $264.21B
BIIB [@Pharmaceuticals: Major] is valued at $25.87B. MRK’s [@Pharmaceuticals: Major] market capitalization is $264.21B. The market cap for tickers in the [@Pharmaceuticals: Major] industry ranges from $963.92B to $0. The average market capitalization across the [@Pharmaceuticals: Major] industry is $104.36B.

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 1 FA rating(s) are green whileMRK’s FA Score has 3 green FA rating(s).

  • BIIB’s FA Score: 1 green, 4 red.
  • MRK’s FA Score: 3 green, 2 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 4 TA indicator(s) are bullish while MRK’s TA Score has 4 bullish TA indicator(s).

  • BIIB’s TA Score: 4 bullish, 4 bearish.
  • MRK’s TA Score: 4 bullish, 4 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 +2.46% price change this week, while MRK (@Pharmaceuticals: Major) price change was +7.33% for the same time period.

The average weekly price growth across all stocks in the @Pharmaceuticals: Major industry was +1.24%. For the same industry, the average monthly price growth was +1.36%, and the average quarterly price growth was +14.87%.

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 (+1.24% 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($264B) has a higher market cap than BIIB($25.9B). BIIB has higher P/E ratio than MRK: BIIB (16.07) vs MRK (14.08). BIIB YTD gains are higher at: 15.309 vs. MRK (10.088). MRK has higher annual earnings (EBITDA): 27.7B vs. BIIB (2.93B). MRK has more cash in the bank: 18.2B vs. BIIB (3.96B). BIIB has less debt than MRK: BIIB (6.59B) vs MRK (41.4B). MRK has higher revenues than BIIB: MRK (64.2B) vs BIIB (10.1B).
BIIBMRKBIIB / MRK
Capitalization25.9B264B10%
EBITDA2.93B27.7B11%
Gain YTD15.30910.088152%
P/E Ratio16.0714.08114%
Revenue10.1B64.2B16%
Total Cash3.96B18.2B22%
Total Debt6.59B41.4B16%
FUNDAMENTALS RATINGS
BIIB vs MRK: Fundamental Ratings
BIIB
MRK
OUTLOOK RATING
1..100
9324
VALUATION
overvalued / fair valued / undervalued
1..100
92
Overvalued
13
Undervalued
PROFIT vs RISK RATING
1..100
10054
SMR RATING
1..100
7423
PRICE GROWTH RATING
1..100
4313
P/E GROWTH RATING
1..100
2686
SEASONALITY SCORE
1..100
n/an/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 (13) in the Pharmaceuticals Major industry is significantly better than the same rating for BIIB (92) 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 (54) in the Pharmaceuticals Major industry is somewhat better than the same rating for BIIB (100) in the Biotechnology industry. This means that MRK’s stock grew somewhat faster than BIIB’s over the last 12 months.

MRK's SMR Rating (23) 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.

MRK's Price Growth Rating (13) in the Pharmaceuticals Major industry is in the same range as BIIB (43) in the Biotechnology industry. This means that MRK’s stock grew similarly to BIIB’s over the last 12 months.

BIIB's P/E Growth Rating (26) in the Biotechnology industry is somewhat better than the same rating for MRK (86) 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 3 days ago
68%
Bearish Trend 3 days ago
60%
Stochastic
ODDS (%)
Bullish Trend 3 days ago
55%
Bearish Trend 3 days ago
58%
Momentum
ODDS (%)
Bearish Trend 3 days ago
72%
Bullish Trend 3 days ago
57%
MACD
ODDS (%)
Bearish Trend 3 days ago
72%
Bullish Trend 3 days ago
50%
TrendWeek
ODDS (%)
Bullish Trend 3 days ago
57%
Bullish Trend 3 days ago
51%
TrendMonth
ODDS (%)
Bullish Trend 3 days ago
59%
Bullish Trend 3 days ago
49%
Advances
ODDS (%)
Bullish Trend 3 days ago
57%
Bullish Trend 3 days ago
51%
Declines
ODDS (%)
Bearish Trend 18 days ago
69%
Bearish Trend 18 days ago
53%
BollingerBands
ODDS (%)
Bullish Trend 3 days ago
56%
Bearish Trend 3 days ago
55%
Aroon
ODDS (%)
Bullish Trend 3 days ago
39%
Bullish Trend 3 days ago
56%
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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 closely correlated with PFE. These tickers have moved in lockstep 69% 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%
+0.86%
PFE - BIIB
69%
Closely correlated
+0.60%
AMGN - BIIB
59%
Loosely correlated
+0.75%
MRK - BIIB
57%
Loosely correlated
+1.34%
BMY - BIIB
54%
Loosely correlated
+0.79%
ABBV - BIIB
52%
Loosely correlated
+0.48%
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 67% 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%
+1.34%
PFE - MRK
67%
Closely correlated
+0.60%
ABBV - MRK
59%
Loosely correlated
+0.48%
BMY - MRK
58%
Loosely correlated
+0.79%
BIIB - MRK
57%
Loosely correlated
+0.86%
AMGN - MRK
55%
Loosely correlated
+0.75%
More