BIIB
Price
$218.71
Change
+$4.36 (+2.03%)
Updated
Aug 21, 12:11 PM (EDT)
Capitalization
31.67B
69 days until earnings call
Intraday BUY SELL Signals
MRK
Price
$154.00
Change
+$5.01 (+3.36%)
Updated
Aug 21, 12:22 PM (EDT)
Capitalization
367.58B
69 days until earnings call
Intraday BUY SELL Signals
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BIIB vs MRK

BIIB vs MRK Comparison Chart in %
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BIIB vs. MRK commentary
Aug 21, 2026

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
Aug 21, 2026
Stock price -- (BIIB: $221.56 vs. MRK: $152.20)
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: 58% vs. MRK: 314%
Market capitalization -- BIIB: $31.67B vs. MRK: $367.58B
BIIB [@Pharmaceuticals: Major] is valued at $31.67B. MRK’s [@Pharmaceuticals: Major] market capitalization is $367.58B. The market cap for tickers in the [@Pharmaceuticals: Major] industry ranges from $1.11T to $0. The average market capitalization across the [@Pharmaceuticals: Major] industry is $204.88B.

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

  • BIIB’s FA Score: 2 green, 3 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, MRK is a better buy in the short-term than BIIB.

Price Growth

BIIB (@Pharmaceuticals: Major) experienced а +6.08% price change this week, while MRK (@Pharmaceuticals: Major) price change was +14.50% for the same time period.

The average weekly price growth across all stocks in the @Pharmaceuticals: Major industry was +3.22%. For the same industry, the average monthly price growth was +4.22%, and the average quarterly price growth was +4.74%.

Reported Earning Dates

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

MRK is expected to report earnings on Oct 29, 2026.

Industries' Descriptions

@Pharmaceuticals: Major (+3.22% 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($368B) has a higher market cap than BIIB($31.7B). MRK has higher P/E ratio than BIIB: MRK (119.19) vs BIIB (38.07). MRK YTD gains are higher at: 46.713 vs. BIIB (25.894). MRK has higher annual earnings (EBITDA): 19.4B vs. BIIB (2.14B). BIIB has less debt than MRK: BIIB (8.36B) vs MRK (49.1B). MRK has higher revenues than BIIB: MRK (65.8B) vs BIIB (10B).
BIIBMRKBIIB / MRK
Capitalization31.7B368B9%
EBITDA2.14B19.4B11%
Gain YTD25.89446.71355%
P/E Ratio38.07119.1932%
Revenue10B65.8B15%
Total Cash1.29BN/A-
Total Debt8.36B49.1B17%
FUNDAMENTALS RATINGS
BIIB vs MRK: Fundamental Ratings
BIIB
MRK
OUTLOOK RATING
1..100
7440
VALUATION
overvalued / fair valued / undervalued
1..100
68
Overvalued
72
Overvalued
PROFIT vs RISK RATING
1..100
10032
SMR RATING
1..100
8447
PRICE GROWTH RATING
1..100
136
P/E GROWTH RATING
1..100
52
SEASONALITY SCORE
1..100
5075

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.

BIIB's Valuation (68) in the Biotechnology industry is in the same range as MRK (72) in the Pharmaceuticals Major industry. This means that BIIB’s stock grew similarly to MRK’s over the last 12 months.

MRK's Profit vs Risk Rating (32) in the Pharmaceuticals Major industry is significantly better than the same rating for BIIB (100) in the Biotechnology industry. This means that MRK’s stock grew significantly faster than BIIB’s over the last 12 months.

MRK's SMR Rating (47) in the Pharmaceuticals Major industry is somewhat better than the same rating for BIIB (84) 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 (6) in the Pharmaceuticals Major industry is in the same range as BIIB (13) in the Biotechnology industry. This means that MRK’s stock grew similarly to BIIB’s over the last 12 months.

MRK's P/E Growth Rating (2) in the Pharmaceuticals Major industry is in the same range as BIIB (5) 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
70%
Bearish Trend 2 days ago
57%
Stochastic
ODDS (%)
Bearish Trend 2 days ago
67%
Bearish Trend 2 days ago
63%
Momentum
ODDS (%)
Bullish Trend 2 days ago
58%
Bullish Trend 2 days ago
57%
MACD
ODDS (%)
Bullish Trend 2 days ago
61%
Bullish Trend 2 days ago
53%
TrendWeek
ODDS (%)
Bullish Trend 2 days ago
59%
Bullish Trend 2 days ago
58%
TrendMonth
ODDS (%)
Bullish Trend 2 days ago
63%
Bullish Trend 2 days ago
56%
Advances
ODDS (%)
Bullish Trend 3 days ago
57%
Bullish Trend 8 days ago
57%
Declines
ODDS (%)
Bearish Trend 11 days ago
71%
Bearish Trend 23 days ago
51%
BollingerBands
ODDS (%)
Bearish Trend 2 days ago
65%
Bearish Trend 2 days ago
48%
Aroon
ODDS (%)
N/A
Bullish Trend 2 days ago
65%
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BIIB
Daily Signal:
Gain/Loss:
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 AMGN. These tickers have moved in lockstep 49% of the time. This A.I.-generated data suggests there is some statistical probability that if BIIB jumps, then AMGN could also see price increases.

1D
1W
1M
1Q
6M
1Y
5Y
Ticker /
NAME
Correlation
To BIIB
1D Price
Change %
BIIB100%
+4.24%
AMGN - BIIB
49%
Loosely correlated
+4.02%
AZN - BIIB
49%
Loosely correlated
+3.03%
PFE - BIIB
48%
Loosely correlated
+3.63%
MRK - BIIB
47%
Loosely correlated
+12.60%
ABBV - BIIB
41%
Loosely correlated
+2.72%
More

MRK and

Correlation & Price change

A.I.dvisor indicates that over the last year, MRK has been loosely correlated with NVS. These tickers have moved in lockstep 53% of the time. This A.I.-generated data suggests there is some statistical probability that if MRK jumps, then NVS could also see price increases.

1D
1W
1M
1Q
6M
1Y
5Y
Ticker /
NAME
Correlation
To MRK
1D Price
Change %
MRK100%
+12.60%
NVS - MRK
53%
Loosely correlated
+3.73%
GSK - MRK
52%
Loosely correlated
+3.38%
PFE - MRK
51%
Loosely correlated
+3.63%
BMY - MRK
49%
Loosely correlated
+2.36%
AMGN - MRK
48%
Loosely correlated
+4.02%
More