ISRG
Price
$541.00
Change
-$5.76 (-1.05%)
Updated
Jan 15, 04:59 PM (EDT)
Capitalization
193.82B
7 days until earnings call
Intraday BUY SELL Signals
PEN
Price
$350.42
Change
+$36.99 (+11.80%)
Updated
Jan 15, 04:59 PM (EDT)
Capitalization
12.27B
40 days until earnings call
Intraday BUY SELL Signals
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ISRG vs PEN

Header iconISRG vs PEN Comparison
Open Charts ISRG vs PENBanner chart's image
Intuitive Surgical
Price$541.00
Change-$5.76 (-1.05%)
Volume$25.52K
Capitalization193.82B
Penumbra
Price$350.42
Change+$36.99 (+11.80%)
Volume$27.86K
Capitalization12.27B
ISRG vs PEN Comparison Chart in %
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VS
ISRG vs. PEN commentary
Jan 15, 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
Jan 15, 2026
Stock price -- (ISRG: $546.76 vs. PEN: $313.43)
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: 211% vs. PEN: 179%
Market capitalization -- ISRG: $193.82B vs. PEN: $12.27B
ISRG [@Pharmaceuticals: Other] is valued at $193.82B. PEN’s [@Medical/Nursing Services] market capitalization is $12.27B. The market cap for tickers in the [@Pharmaceuticals: Other] industry ranges from $193.82B to $0. The market cap for tickers in the [@Medical/Nursing Services] industry ranges from $217.36B to $0. The average market capitalization across the [@Pharmaceuticals: Other] industry is $12.1B. The average market capitalization across the [@Medical/Nursing Services] industry is $5.9B.

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

  • ISRG’s FA Score: 2 green, 3 red.
  • PEN’s FA Score: 0 green, 5 red.
According to our system of comparison, ISRG is a better buy in the long-term than PEN.

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 4 TA indicator(s) are bullish while PEN’s TA Score has 4 bullish TA indicator(s).

  • ISRG’s TA Score: 4 bullish, 4 bearish.
  • PEN’s TA Score: 4 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 -7.68% price change this week, while PEN (@Medical/Nursing Services) price change was -0.86% for the same time period.

The average weekly price growth across all stocks in the @Pharmaceuticals: Other industry was -0.83%. For the same industry, the average monthly price growth was +0.69%, and the average quarterly price growth was -0.06%.

The average weekly price growth across all stocks in the @Medical/Nursing Services industry was +4.17%. For the same industry, the average monthly price growth was +9.06%, and the average quarterly price growth was +23.73%.

Reported Earning Dates

ISRG is expected to report earnings on Jan 22, 2026.

PEN is expected to report earnings on Feb 24, 2026.

Industries' Descriptions

@Pharmaceuticals: Other (-0.83% 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 (+4.17% 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($194B) has a higher market cap than PEN($12.3B). PEN (74.80) and ISRG (72.32) have similar P/E ratio . PEN YTD gains are higher at: 0.811 vs. ISRG (-3.461). ISRG has higher annual earnings (EBITDA): 3.4B vs. PEN (205M). ISRG has more cash in the bank: 4.91B vs. PEN (470M). ISRG has less debt than PEN: ISRG (87M) vs PEN (217M). ISRG has higher revenues than PEN: ISRG (9.61B) vs PEN (1.33B).
ISRGPENISRG / PEN
Capitalization194B12.3B1,577%
EBITDA3.4B205M1,657%
Gain YTD-3.4610.811-427%
P/E Ratio72.3274.8097%
Revenue9.61B1.33B721%
Total Cash4.91B470M1,044%
Total Debt87M217M40%
FUNDAMENTALS RATINGS
ISRG vs PEN: Fundamental Ratings
ISRG
PEN
OUTLOOK RATING
1..100
6973
VALUATION
overvalued / fair valued / undervalued
1..100
91
Overvalued
81
Overvalued
PROFIT vs RISK RATING
1..100
3157
SMR RATING
1..100
5158
PRICE GROWTH RATING
1..100
2246
P/E GROWTH RATING
1..100
7499
SEASONALITY SCORE
1..100
5085

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.

PEN's Valuation (81) in the Medical Specialties industry is in the same range as ISRG (91). This means that PEN’s stock grew similarly to ISRG’s over the last 12 months.

ISRG's Profit vs Risk Rating (31) in the Medical Specialties industry is in the same range as PEN (57). This means that ISRG’s stock grew similarly to PEN’s over the last 12 months.

ISRG's SMR Rating (51) in the Medical Specialties industry is in the same range as PEN (58). This means that ISRG’s stock grew similarly to PEN’s over the last 12 months.

ISRG's Price Growth Rating (22) in the Medical Specialties industry is in the same range as PEN (46). This means that ISRG’s stock grew similarly to PEN’s over the last 12 months.

ISRG's P/E Growth Rating (74) in the Medical Specialties industry is in the same range as PEN (99). This means that ISRG’s stock grew similarly to PEN’s over the last 12 months.

TECHNICAL ANALYSIS
Technical Analysis
ISRGPEN
RSI
ODDS (%)
N/A
Bearish Trend 2 days ago
63%
Stochastic
ODDS (%)
Bullish Trend 2 days ago
66%
Bearish Trend 2 days ago
81%
Momentum
ODDS (%)
Bearish Trend 2 days ago
56%
Bearish Trend 2 days ago
79%
MACD
ODDS (%)
Bearish Trend 2 days ago
63%
Bearish Trend 2 days ago
71%
TrendWeek
ODDS (%)
Bearish Trend 2 days ago
60%
Bearish Trend 2 days ago
72%
TrendMonth
ODDS (%)
Bearish Trend 2 days ago
64%
Bullish Trend 2 days ago
73%
Advances
ODDS (%)
Bullish Trend 25 days ago
69%
Bullish Trend 25 days ago
78%
Declines
ODDS (%)
Bearish Trend 2 days ago
56%
Bearish Trend 3 days ago
70%
BollingerBands
ODDS (%)
Bullish Trend 2 days ago
64%
Bullish Trend 2 days ago
80%
Aroon
ODDS (%)
Bullish Trend 2 days ago
67%
Bullish Trend 2 days ago
69%
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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%
-2.68%
BSX - ISRG
73%
Closely correlated
-0.42%
SYK - ISRG
64%
Loosely correlated
+1.00%
NTRA - ISRG
54%
Loosely correlated
+0.55%
GKOS - ISRG
51%
Loosely correlated
-5.26%
PODD - ISRG
49%
Loosely correlated
+1.70%
More

PEN and

Correlation & Price change

A.I.dvisor indicates that over the last year, PEN has been loosely correlated with PODD. 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 PODD could also see price increases.

1D
1W
1M
1Q
6M
1Y
5Y
Ticker /
NAME
Correlation
To PEN
1D Price
Change %
PEN100%
+4.14%
PODD - PEN
43%
Loosely correlated
+1.70%
ISRG - PEN
42%
Loosely correlated
-2.68%
BSX - PEN
40%
Loosely correlated
-0.42%
SYK - PEN
39%
Loosely correlated
+1.00%
MASI - PEN
39%
Loosely correlated
+6.61%
More