QLYS
Price
$138.87
Change
+$0.32 (+0.23%)
Updated
Nov 19, 01:58 PM (EDT)
Capitalization
4.97B
78 days until earnings call
Intraday BUY SELL Signals
TDC
Price
$26.60
Change
-$0.19 (-0.71%)
Updated
Nov 19, 03:07 PM (EDT)
Capitalization
2.5B
89 days until earnings call
Intraday BUY SELL Signals
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QLYS vs TDC

Header iconQLYS vs TDC Comparison
Open Charts QLYS vs TDCBanner chart's image
Qualys
Price$138.87
Change+$0.32 (+0.23%)
Volume$200
Capitalization4.97B
TERADATA
Price$26.60
Change-$0.19 (-0.71%)
Volume$714
Capitalization2.5B
QLYS vs TDC Comparison Chart in %
QLYS
Daily Signal:
Gain/Loss:
TDC
Daily Signal:
Gain/Loss:
View a ticker or compare two or three
VS
QLYS vs. TDC commentary
Nov 19, 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 QLYS is a Hold and TDC is a Hold.

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COMPARISON
Comparison
Nov 19, 2025
Stock price -- (QLYS: $138.48 vs. TDC: $26.79)
Brand notoriety: QLYS and TDC are both not notable
Both companies represent the Computer Communications industry
Current volume relative to the 65-day Moving Average: QLYS: 80% vs. TDC: 105%
Market capitalization -- QLYS: $4.97B vs. TDC: $2.5B
QLYS [@Computer Communications] is valued at $4.97B. TDC’s [@Computer Communications] market capitalization is $2.5B. The market cap for tickers in the [@Computer Communications] industry ranges from $3.67T to $0. The average market capitalization across the [@Computer Communications] industry is $25.95B.

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).

QLYS’s FA Score shows that 1 FA rating(s) are green whileTDC’s FA Score has 1 green FA rating(s).

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

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.

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

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

Price Growth

QLYS (@Computer Communications) experienced а -9.96% price change this week, while TDC (@Computer Communications) price change was -4.46% for the same time period.

The average weekly price growth across all stocks in the @Computer Communications industry was -7.66%. For the same industry, the average monthly price growth was -12.09%, and the average quarterly price growth was +28.75%.

Reported Earning Dates

QLYS is expected to report earnings on Feb 05, 2026.

TDC is expected to report earnings on Feb 16, 2026.

Industries' Descriptions

@Computer Communications (-7.66% weekly)

Computer communications industry develops technology that allows computing devices to exchange data with each other using connections/data links between nodes. Common types of computer network include Cloud (IAN), Internet, Wide (WAN, Local (LAN)/Wireless(WLAN) etc. The industry is an ever-more important part of technology, and is set to become even bigger as the Internet of Things (IoT) rapidly forays into the various aspects of our lives. Cisco Systems, Inc., Palo Alto Networks, Inc. and Arista Networks, Inc., Fortinet, Inc. are some of the major computer communications companies.

SUMMARIES
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FUNDAMENTALS
Fundamentals
QLYS($4.97B) has a higher market cap than TDC($2.5B). QLYS has higher P/E ratio than TDC: QLYS (26.84) vs TDC (22.14). QLYS YTD gains are higher at: -1.241 vs. TDC (-13.997). TDC has higher annual earnings (EBITDA): 265M vs. QLYS (214M). QLYS (370M) and TDC (369M) have equal amount of cash in the bank . QLYS has less debt than TDC: QLYS (55.3M) vs TDC (583M). TDC has higher revenues than QLYS: TDC (1.68B) vs QLYS (637M).
QLYSTDCQLYS / TDC
Capitalization4.97B2.5B199%
EBITDA214M265M81%
Gain YTD-1.241-13.9979%
P/E Ratio26.8422.14121%
Revenue637M1.68B38%
Total Cash370M369M100%
Total Debt55.3M583M9%
FUNDAMENTALS RATINGS
QLYS vs TDC: Fundamental Ratings
QLYS
TDC
OUTLOOK RATING
1..100
2220
VALUATION
overvalued / fair valued / undervalued
1..100
81
Overvalued
67
Overvalued
PROFIT vs RISK RATING
1..100
6886
SMR RATING
1..100
2314
PRICE GROWTH RATING
1..100
5041
P/E GROWTH RATING
1..100
6284
SEASONALITY SCORE
1..100
5050

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.

TDC's Valuation (67) in the Computer Processing Hardware industry is in the same range as QLYS (81) in the Packaged Software industry. This means that TDC’s stock grew similarly to QLYS’s over the last 12 months.

QLYS's Profit vs Risk Rating (68) in the Packaged Software industry is in the same range as TDC (86) in the Computer Processing Hardware industry. This means that QLYS’s stock grew similarly to TDC’s over the last 12 months.

TDC's SMR Rating (14) in the Computer Processing Hardware industry is in the same range as QLYS (23) in the Packaged Software industry. This means that TDC’s stock grew similarly to QLYS’s over the last 12 months.

TDC's Price Growth Rating (41) in the Computer Processing Hardware industry is in the same range as QLYS (50) in the Packaged Software industry. This means that TDC’s stock grew similarly to QLYS’s over the last 12 months.

QLYS's P/E Growth Rating (62) in the Packaged Software industry is in the same range as TDC (84) in the Computer Processing Hardware industry. This means that QLYS’s stock grew similarly to TDC’s over the last 12 months.

TECHNICAL ANALYSIS
Technical Analysis
QLYSTDC
RSI
ODDS (%)
Bearish Trend 2 days ago
65%
Bearish Trend 2 days ago
66%
Stochastic
ODDS (%)
Bearish Trend 2 days ago
70%
Bearish Trend 2 days ago
70%
Momentum
ODDS (%)
Bullish Trend 2 days ago
69%
Bullish Trend 2 days ago
74%
MACD
ODDS (%)
Bullish Trend 2 days ago
60%
Bullish Trend 2 days ago
65%
TrendWeek
ODDS (%)
Bearish Trend 2 days ago
66%
Bearish Trend 2 days ago
62%
TrendMonth
ODDS (%)
Bullish Trend 2 days ago
68%
Bullish Trend 2 days ago
64%
Advances
ODDS (%)
Bullish Trend 9 days ago
65%
Bullish Trend 9 days ago
63%
Declines
ODDS (%)
Bearish Trend 2 days ago
67%
Bearish Trend 7 days ago
62%
BollingerBands
ODDS (%)
Bearish Trend 2 days ago
65%
Bearish Trend 2 days ago
71%
Aroon
ODDS (%)
Bearish Trend 2 days ago
57%
Bullish Trend 2 days ago
63%
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QLYS
Daily Signal:
Gain/Loss:
TDC
Daily Signal:
Gain/Loss:
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Correlation & Price change

A.I.dvisor indicates that over the last year, QLYS has been loosely correlated with TDC. These tickers have moved in lockstep 66% of the time. This A.I.-generated data suggests there is some statistical probability that if QLYS jumps, then TDC could also see price increases.

1D
1W
1M
1Q
6M
1Y
5Y
Ticker /
NAME
Correlation
To QLYS
1D Price
Change %
QLYS100%
-0.70%
TDC - QLYS
66%
Loosely correlated
+2.53%
TENB - QLYS
56%
Loosely correlated
-1.04%
DJCO - QLYS
54%
Loosely correlated
+3.49%
PCTY - QLYS
54%
Loosely correlated
-0.23%
ADSK - QLYS
54%
Loosely correlated
+0.09%
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