ISRG
Price
$378.81
Change
+$4.33 (+1.16%)
Updated
Aug 21 closing price
Capitalization
133.83B
58 days until earnings call
Intraday BUY SELL Signals
PEN
Price
$325.18
Change
+$1.42 (+0.44%)
Updated
Aug 21 closing price
Capitalization
12.81B
73 days until earnings call
Intraday BUY SELL Signals
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ISRG vs PEN

ISRG vs PEN Comparison Chart in %
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ISRG vs. PEN commentary
Aug 23, 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 ISRG is a Hold and PEN is a Hold.

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COMPARISON
Comparison
Aug 23, 2026
Stock price -- (ISRG: $378.81 vs. PEN: $325.18)
Brand notoriety: ISRG: Notable vs. PEN: Not notable
ISRG represents the Pharmaceuticals: Other, while PEN is part of the Medical/Nursing Services industry
Current volume relative to the 65-day Moving Average: ISRG: 56% vs. PEN: 48%
Market capitalization -- ISRG: $133.83B vs. PEN: $12.81B
ISRG [@Pharmaceuticals: Other] is valued at $133.83B. PEN’s [@Medical/Nursing Services] market capitalization is $12.81B. The market cap for tickers in the [@Pharmaceuticals: Other] industry ranges from $133.83B to $0. The market cap for tickers in the [@Medical/Nursing Services] industry ranges from $201.83B to $0. The average market capitalization across the [@Pharmaceuticals: Other] industry is $8.59B. The average market capitalization across the [@Medical/Nursing Services] industry is $6.08B.

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).

ISRG’s FA Score shows that 0 FA rating(s) are green whilePEN’s FA Score has 1 green FA rating(s).

  • ISRG’s FA Score: 0 green, 5 red.
  • PEN’s FA Score: 1 green, 4 red.
According to our system of comparison, PEN is a better buy in the long-term than ISRG.

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.

ISRG’s TA Score shows that 6 TA indicator(s) are bullish while PEN’s TA Score has 5 bullish TA indicator(s).

  • ISRG’s TA Score: 6 bullish, 3 bearish.
  • PEN’s TA Score: 5 bullish, 5 bearish.
According to our system of comparison, ISRG is a better buy in the short-term than PEN.

Price Growth

ISRG (@Pharmaceuticals: Other) experienced а -3.98% price change this week, while PEN (@Medical/Nursing Services) price change was -0.56% for the same time period.

The average weekly price growth across all stocks in the @Pharmaceuticals: Other industry was -0.08%. For the same industry, the average monthly price growth was +10.50%, and the average quarterly price growth was +5.94%.

The average weekly price growth across all stocks in the @Medical/Nursing Services industry was -0.94%. For the same industry, the average monthly price growth was +6.51%, and the average quarterly price growth was -7.37%.

Reported Earning Dates

ISRG is expected to report earnings on Oct 20, 2026.

PEN is expected to report earnings on Nov 04, 2026.

Industries' Descriptions

@Pharmaceuticals: Other (-0.08% weekly)

Pharmaceuticals (Other) comprise companies that are involved in the discovery, development or manufacturing of therapeutic and preventative medicines. They often collaborate with or acquire other pharmaceutical/healthcare firms. Examples of companies in this segment include Bausch Health Companies Inc., Icon Plc and Perrigo Company Plc.

@Medical/Nursing Services (-0.94% weekly)

The medical/nursing services includes companies that provide medical-related services such as ambulance services, dialysis centers, respiratory therapy, blood testing and rehabilitation services. DaVita Inc., Chemed Corporation and Guardant Health, Inc. are examples of companies in this industry.

SUMMARIES
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FUNDAMENTALS
Fundamentals
ISRG($134B) has a higher market cap than PEN($12.8B). PEN has higher P/E ratio than ISRG: PEN (79.90) vs ISRG (43.44). PEN YTD gains are higher at: 4.590 vs. ISRG (-33.115). ISRG has higher annual earnings (EBITDA): 4.25B vs. PEN (222M). ISRG has more cash in the bank: 5.22B vs. PEN (659M). ISRG has less debt than PEN: ISRG (87M) vs PEN (213M). ISRG has higher revenues than PEN: ISRG (11B) vs PEN (1.51B).
ISRGPENISRG / PEN
Capitalization134B12.8B1,047%
EBITDA4.25B222M1,912%
Gain YTD-33.1154.590-721%
P/E Ratio43.4479.9054%
Revenue11B1.51B731%
Total Cash5.22B659M792%
Total Debt87M213M41%
FUNDAMENTALS RATINGS
ISRG vs PEN: Fundamental Ratings
ISRG
PEN
OUTLOOK RATING
1..100
5048
VALUATION
overvalued / fair valued / undervalued
1..100
73
Overvalued
91
Overvalued
PROFIT vs RISK RATING
1..100
8678
SMR RATING
1..100
5166
PRICE GROWTH RATING
1..100
6151
P/E GROWTH RATING
1..100
8528
SEASONALITY SCORE
1..100
6585

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.

ISRG's Valuation (73) in the Medical Specialties industry is in the same range as PEN (91). This means that ISRG’s stock grew similarly to PEN’s over the last 12 months.

PEN's Profit vs Risk Rating (78) in the Medical Specialties industry is in the same range as ISRG (86). This means that PEN’s stock grew similarly to ISRG’s over the last 12 months.

ISRG's SMR Rating (51) in the Medical Specialties industry is in the same range as PEN (66). This means that ISRG’s stock grew similarly to PEN’s over the last 12 months.

PEN's Price Growth Rating (51) in the Medical Specialties industry is in the same range as ISRG (61). This means that PEN’s stock grew similarly to ISRG’s over the last 12 months.

PEN's P/E Growth Rating (28) in the Medical Specialties industry is somewhat better than the same rating for ISRG (85). This means that PEN’s stock grew somewhat faster than ISRG’s over the last 12 months.

TECHNICAL ANALYSIS
Technical Analysis
ISRGPEN
RSI
ODDS (%)
Bullish Trend 3 days ago
50%
Bearish Trend 3 days ago
71%
Stochastic
ODDS (%)
Bearish Trend 3 days ago
69%
Bearish Trend 3 days ago
67%
Momentum
ODDS (%)
Bullish Trend 3 days ago
65%
Bullish Trend 3 days ago
63%
MACD
ODDS (%)
Bullish Trend 3 days ago
67%
Bearish Trend 3 days ago
59%
TrendWeek
ODDS (%)
Bearish Trend 3 days ago
64%
Bearish Trend 3 days ago
64%
TrendMonth
ODDS (%)
Bullish Trend 3 days ago
64%
Bullish Trend 3 days ago
73%
Advances
ODDS (%)
Bullish Trend 5 days ago
65%
Bullish Trend 10 days ago
69%
Declines
ODDS (%)
Bearish Trend 25 days ago
61%
N/A
BollingerBands
ODDS (%)
Bullish Trend 6 days ago
55%
Bearish Trend 3 days ago
67%
Aroon
ODDS (%)
N/A
Bullish Trend 3 days ago
71%
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ISRG
Daily Signal:
Gain/Loss:
PEN
Daily Signal:
Gain/Loss:
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ISRG and

Correlation & Price change

A.I.dvisor indicates that over the last year, ISRG has been closely correlated with BSX. These tickers have moved in lockstep 73% of the time. This A.I.-generated data suggests there is a high statistical probability that if ISRG jumps, then BSX could also see price increases.

1D
1W
1M
1Q
6M
1Y
5Y
Ticker /
NAME
Correlation
To ISRG
1D Price
Change %
ISRG100%
+1.16%
BSX - ISRG
73%
Closely correlated
+2.03%
SYK - ISRG
64%
Loosely correlated
+0.53%
NTRA - ISRG
54%
Loosely correlated
+2.21%
GKOS - ISRG
51%
Loosely correlated
N/A
PODD - ISRG
49%
Loosely correlated
+0.88%
More

PEN and

Correlation & Price change

A.I.dvisor indicates that over the last year, PEN has been loosely correlated with HAE. These tickers have moved in lockstep 43% of the time. This A.I.-generated data suggests there is some statistical probability that if PEN jumps, then HAE could also see price increases.

1D
1W
1M
1Q
6M
1Y
5Y
Ticker /
NAME
Correlation
To PEN
1D Price
Change %
PEN100%
+0.44%
HAE - PEN
43%
Loosely correlated
+0.54%
ISRG - PEN
42%
Loosely correlated
+1.16%
AVNS - PEN
35%
Loosely correlated
N/A
MMSI - PEN
35%
Loosely correlated
+0.56%
SMTI - PEN
34%
Loosely correlated
+0.61%
More