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KEYS vs TDY
Which Stock Would AI Choose? Keysight Technologies (KEYS) vs. Teledyne Technologies (TDY) Stock Comparison
Key Takeaways
- KEYS is growing much faster than TDY, with recent revenue up roughly 30–36% year over year versus TDY's high-single-digit growth, driven by AI infrastructure and semiconductor demand.
- KEYS carries a materially richer valuation (forward price-to-earnings ratio near 43x) reflecting higher growth expectations and greater momentum.
- TDY offers a more diversified, defensive mix spanning defense, aerospace, digital imaging, and instrumentation, with steadier long-cycle revenue.
- Both companies benefit from rising global defense spending, but KEYS is more concentrated on the AI and communications buildout.
- TDY is a serial acquirer (including the planned Varex Imaging deal), adding execution and integration risk alongside growth potential.
Introduction
Investors evaluating electronic measurement and industrial technology often weigh Keysight Technologies against Teledyne Technologies. Although both operate in adjacent hardware and sensing markets and both are leveraged to aerospace and defense spending, they pursue very different growth profiles. KEYS is a high-momentum, AI-driven test-and-measurement leader, while TDY is a diversified, acquisition-oriented industrial technology conglomerate. This stock comparison examines recent performance, business models, growth drivers, and relative market positioning to help traders and long-term investors understand the trade-offs between faster growth and steadier, more defensive diversification.
KEYS Overview and Recent Performance
Keysight Technologies supplies electronic design, emulation, and test-and-measurement solutions for communications, aerospace and defense, semiconductors, automotive, and industrial customers. Recent market activity has been exceptionally strong: the company reported record fiscal results, with recent-quarter revenue up about 36% year over year and orders rising more than 50%, as demand accelerated across AI infrastructure, advanced semiconductors, and defense modernization. Management has repeatedly raised full-year guidance, and software and services now represent roughly a third of revenue, supporting higher margins.
Sentiment has been driven primarily by AI data center buildouts—including the shift from 800G to 1.6T and 3.2T optical networking—where KEYS provides interoperability and production-test solutions. The stock has roughly doubled over the past year and trades near $330, with a consensus "Buy" rating and an average price target above $400. The principal risk is valuation: at a forward P/E (price-to-earnings ratio) near 43x, much of the AI growth story is already reflected in the share price.
TDY Overview and Recent Performance
Teledyne Technologies is a diversified provider of enabling technologies across defense, aerospace, digital imaging, instrumentation, and engineered systems. Its portfolio includes the FLIR thermal-imaging franchise, marine and unmanned systems, and semiconductor inspection tools. Recent performance has been steady rather than explosive: recent quarterly sales rose roughly 7–10% year over year, with record results driven by defense, space, and digital imaging demand, and the company has raised its full-year earnings guidance.
Sentiment has been supported by rising U.S. and European defense budgets, a recovery in commercial aerospace, and disciplined capital deployment. TDY has continued its acquisition strategy—including the announced Varex Imaging acquisition to expand healthcare and industrial imaging—and recently secured defense wins such as a counter-drone radar launch and a $15.4 million unmanned-systems contract. The stock trades near $615 with a consensus "Buy" rating and an average target near $758. Key risks include supply-chain constraints, tariff exposure, and integration execution around acquisitions.
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Head-to-Head Comparison
The clearest contrast between these two stocks is growth versus diversification. KEYS is a concentrated play on the AI infrastructure and advanced-communications cycle, delivering 30%-plus revenue growth but trading at a premium multiple that leaves limited room for disappointment. TDY grows more slowly but spreads risk across defense, aerospace, energy, healthcare imaging, and marine markets, providing more balanced exposure to long-cycle government spending.
In terms of recent momentum, KEYS has clearly outperformed over the past year, although both stocks pulled back from recent highs amid broader volatility. Risk profiles also differ: KEYS is exposed to a potential cooling of AI capital spending and tariff-related costs, while TDY faces supply-chain constraints, trade-policy uncertainty, and the integration risk of its Varex acquisition. On valuation, TDY trades at a lower earnings multiple and carries a lower expected growth rate, making the two stocks a study in contrasting risk-reward profiles rather than like-for-like substitutes.
Tickeron AI Verdict
Based on observable trend consistency, relative momentum, and the strength of near-term catalysts, Tickeron's AI would likely favor KEYS at present. The stock has demonstrated sustained upward trend persistence backed by accelerating orders, repeated guidance increases, and a clearly identifiable demand catalyst in AI infrastructure. TDY offers steadier, more defensive positioning but lacks the same momentum profile. This is a probabilistic assessment of trend and positioning rather than a definitive forecast, and it could shift if AI-related spending cools or if KEYS' premium valuation leads to a sharper-than-expected reset.
Disclaimer
The information on this webpage is provided for general informational and educational purposes only and is not intended as investment advice, a recommendation to purchase or sell any security, or an offer or solicitation related to investments. It does not consider your personal financial situation, goals, or risk profile, and all investing carries inherent risks, including the possibility of losing your entire investment. For more details, please review our full disclaimer.
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 KEYS is a Buy and TDY is a Buy.
KEYS's Stochastic Oscillator slumps into oversold zone
The Stochastic Oscillator for KEYS moved into oversold territory on November 02, 2026. Be on the watch for the price uptrend or consolidation in the future. At that time, consider buying the stock or exploring call options.
Technical Analysis (Indicators)
Bullish Trend Analysis
The RSI Indicator entered the oversold zone -- be on the watch for KEYS's price rising or consolidating in the future. That's also the time to consider buying the stock or exploring call options.
Following a +6.78% 3-day Advance, the price is estimated to grow further. Considering data from situations where KEYS advanced for three days, in 210 of 330 cases, the price rose further within the following month. The odds of a continued upward trend are 64%.
KEYS may jump back above the lower band and head toward the middle band. Traders may consider buying the stock or exploring call options.
The Aroon Indicator entered an Uptrend today. In 167 of 257 cases where KEYS Aroon's Indicator entered an Uptrend, the price rose further within the following month. The odds of a continued Uptrend are 65%.
Bearish Trend Analysis
The Momentum Indicator moved below the 0 level on October 14, 2026. You may want to consider selling the stock, shorting the stock, or exploring put options on KEYS as a result. In 45 of 72 cases where the Momentum Indicator fell below 0, the stock fell further within the subsequent month. The odds of a continued downward trend are 62%.
The Moving Average Convergence Divergence Histogram (MACD) for KEYS turned negative on October 13, 2026. This could be a sign that the stock is set to turn lower in the coming weeks. Traders may want to sell the stock or buy put options. Tickeron's A.I.dvisor looked at 47 similar instances when the indicator turned negative. In 29 of the 47 cases the stock turned lower in the days that followed. This puts the odds of success at 62%.
KEYS moved below its 50-day moving average on October 15, 2026 date and that indicates a change from an upward trend to a downward trend.
The 10-day moving average for KEYS crossed bearishly below the 50-day moving average on October 23, 2026. This indicates that the trend has shifted lower and could be considered a sell signal. In 14 of 22 past instances when the 10-day crossed below the 50-day, the stock continued to move higher over the following month. The odds of a continued downward trend are 64%.
Following a 3-day decline, the stock is projected to fall further. Considering past instances where KEYS declined for three days, the price rose further in 50 of 62 cases within the following month. The odds of a continued downward trend are 59%.
Fundamental Analysis (Ratings)
The Tickeron Profit vs. Risk Rating rating for this company is 29 (best 1 - 100 worst), indicating low risk on high returns. The average Profit vs. Risk Rating rating for the industry is 81, placing this stock better than average.
The Tickeron SMR rating for this company is 46 (best 1 - 100 worst), indicating strong sales and a profitable business model. SMR (Sales, Margin, Return on Equity) rating is based on comparative analysis of weighted Sales, Income Margin and Return on Equity values compared against S&P 500 index constituents. The weighted SMR value is a proprietary formula developed by Tickeron and represents an overall profitability measure for a stock.
The Tickeron Price Growth Rating for this company is 55 (best 1 - 100 worst), indicating steady price growth. KEYS’s price grows at a higher rate over the last 12 months as compared to S&P 500 index constituents.
The Tickeron Valuation Rating of 74 (best 1 - 100 worst) indicates that the company is slightly overvalued in the industry. This rating compares market capitalization estimated by our proprietary formula with the current market capitalization. This rating is based on the following metrics, as compared to industry averages: P/B Ratio (7.745) is normal, around the industry mean (1.478). P/E Ratio (40.672) is within average values for comparable stocks, (6.015). Projected Growth (PEG Ratio) (0.713) is also within normal values, averaging (5.470). Dividend Yield (0.000) settles around the average of (0.011) among similar stocks. P/S Ratio (8.467) is also within normal values, averaging (32.028).
The Tickeron PE Growth Rating for this company is 76 (best 1 - 100 worst), pointing to worse than average earnings growth. The PE Growth rating is based on a comparative analysis of stock PE ratio increase over the last 12 months compared against S&P 500 index constituents.
Momentum Indicator for TDY turns positive, indicating new upward trend
TDY saw its Momentum Indicator move above the 0 level on October 12, 2026. This is an indication that the stock could be shifting in to a new upward move. Traders may want to consider buying the stock or buying call options. Tickeron's A.I.dvisor looked at 88 similar instances where the indicator turned positive. In 51 of the 88 cases, the stock moved higher in the following days. The odds of a move higher are at 58%.
Technical Analysis (Indicators)
Bullish Trend Analysis
TDY moved above its 50-day moving average on October 20, 2026 date and that indicates a change from a downward trend to an upward trend.
The 10-day moving average for TDY crossed bullishly above the 50-day moving average on October 23, 2026. This indicates that the trend has shifted higher and could be considered a buy signal. In 6 of 15 past instances when the 10-day crossed above the 50-day, the stock continued to move higher over the following month. The odds of a continued upward trend are 40%.
Following a +3.43% 3-day Advance, the price is estimated to grow further. Considering data from situations where TDY advanced for three days, in 192 of 346 cases, the price rose further within the following month. The odds of a continued upward trend are 55%.
The Aroon Indicator entered an Uptrend today. In 120 of 276 cases where TDY Aroon's Indicator entered an Uptrend, the price rose further within the following month. The odds of a continued Uptrend are 43%.
Bearish Trend Analysis
The 10-day RSI Indicator for TDY moved out of overbought territory on October 30, 2026. This could be a bearish sign for the stock. Traders may want to consider selling the stock or buying put options. Tickeron's A.I.dvisor looked at 41 similar instances where the indicator moved out of overbought territory. In 18 of the 41 cases, the stock moved lower in the following days. This puts the odds of a move lower at 44%.
The Stochastic Oscillator demonstrated that the ticker has stayed in the overbought zone for 4 days. The longer the ticker stays in the overbought zone, the sooner a price pull-back is expected.
The 50-day moving average for TDY moved below the 200-day moving average on October 14, 2026. This could be a long-term bearish signal for the stock as the stock shifts to an downward trend.
Following a 3-day decline, the stock is projected to fall further. Considering past instances where TDY declined for three days, the price rose further in 50 of 62 cases within the following month. The odds of a continued downward trend are 52%.
TDY broke above its upper Bollinger Band on October 26, 2026. This could be a sign that the stock is set to drop as the stock moves back below the upper band and toward the middle band. You may want to consider selling the stock or exploring put options.
Fundamental Analysis (Ratings)
The Tickeron Profit vs. Risk Rating rating for this company is 30 (best 1 - 100 worst), indicating low risk on high returns. The average Profit vs. Risk Rating rating for the industry is 81, placing this stock better than average.
The Tickeron Price Growth Rating for this company is 38 (best 1 - 100 worst), indicating steady price growth. TDY’s price grows at a higher rate over the last 12 months as compared to S&P 500 index constituents.
The Tickeron PE Growth Rating for this company is 40 (best 1 - 100 worst), pointing to consistent earnings growth. The PE Growth rating is based on a comparative analysis of stock PE ratio increase over the last 12 months compared against S&P 500 index constituents.
The Tickeron Seasonality Score of 50 (best 1 - 100 worst) indicates that the company is fair valued in the industry. The Tickeron Seasonality score describes the variance of predictable price changes around the same period every calendar year. These changes can be tied to a specific month, quarter, holiday or vacation period, as well as a meteorological or growing season.
The Tickeron SMR rating for this company is 74 (best 1 - 100 worst), indicating slightly better than average sales and a considerably profitable business model. SMR (Sales, Margin, Return on Equity) rating is based on comparative analysis of weighted Sales, Income Margin and Return on Equity values compared against S&P 500 index constituents. The weighted SMR value is a proprietary formula developed by Tickeron and represents an overall profitability measure for a stock.
The Tickeron Valuation Rating of 99 (best 1 - 100 worst) indicates that the company is significantly overvalued in the industry. This rating compares market capitalization estimated by our proprietary formula with the current market capitalization. This rating is based on the following metrics, as compared to industry averages: P/B Ratio (2.802) is normal, around the industry mean (1.478). P/E Ratio (31.514) is within average values for comparable stocks, (6.015). TDY's Projected Growth (PEG Ratio) (42.990) is very high in comparison to the industry average of (5.470). Dividend Yield (0.000) settles around the average of (0.011) among similar stocks. P/S Ratio (4.446) is also within normal values, averaging (32.028).
KEYS | TDY | ||
|---|---|---|---|
OUTLOOK RATING 1..100 | 58 | 31 | |
VALUATION overvalued / fair valued / undervalued 1..100 | 74 Overvalued | 99 Overvalued | |
PROFIT vs RISK RATING 1..100 | 29 | 30 | |
SMR RATING 1..100 | 46 | 74 | |
PRICE GROWTH RATING 1..100 | 55 | 38 | |
P/E GROWTH RATING 1..100 | 76 | 40 | |
SEASONALITY SCORE 1..100 | n/a | 50 |
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.
KEYS's Valuation (74) in the Electronic Equipment Or Instruments industry is in the same range as TDY (99) in the Aerospace And Defense industry. This means that KEYS’s stock grew similarly to TDY’s over the last 12 months.
KEYS's Profit vs Risk Rating (29) in the Electronic Equipment Or Instruments industry is in the same range as TDY (30) in the Aerospace And Defense industry. This means that KEYS’s stock grew similarly to TDY’s over the last 12 months.
KEYS's SMR Rating (46) in the Electronic Equipment Or Instruments industry is in the same range as TDY (74) in the Aerospace And Defense industry. This means that KEYS’s stock grew similarly to TDY’s over the last 12 months.
TDY's Price Growth Rating (38) in the Aerospace And Defense industry is in the same range as KEYS (55) in the Electronic Equipment Or Instruments industry. This means that TDY’s stock grew similarly to KEYS’s over the last 12 months.
TDY's P/E Growth Rating (40) in the Aerospace And Defense industry is somewhat better than the same rating for KEYS (76) in the Electronic Equipment Or Instruments industry. This means that TDY’s stock grew somewhat faster than KEYS’s over the last 12 months.
| KEYS | TDY | |
|---|---|---|
| RSI ODDS (%) | 1 day ago 57% | 1 day ago 44% |
| Stochastic ODDS (%) | 1 day ago 68% | 1 day ago 52% |
| Momentum ODDS (%) | 1 day ago 63% | 1 day ago 58% |
| MACD ODDS (%) | 1 day ago 62% | N/A |
| TrendWeek ODDS (%) | 1 day ago 57% | 1 day ago 57% |
| TrendMonth ODDS (%) | 1 day ago 51% | 1 day ago 49% |
| Advances ODDS (%) | 8 days ago 64% | 6 days ago 55% |
| Declines ODDS (%) | 1 day ago 59% | 13 days ago 52% |
| BollingerBands ODDS (%) | 1 day ago 68% | 1 day ago 35% |
| Aroon ODDS (%) | 1 day ago 65% | 1 day ago 43% |
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 overvalued. We use an FA Score to show how many ratings show the ticker to be undervalued (green) or overvalued (red).
KEYS’s FA Score shows that 1 FA rating(s) are green while TDY’s FA Score has 1 green FA rating(s).
- KEYS’s FA Score: 1 green, 4 red.
- TDY’s FA Score: 1 green, 4 red.
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.
KEYS’s TA Score shows that 5 TA indicator(s) are bullish while TDY’s TA Score has 5 bullish TA indicator(s).
- KEYS’s TA Score: 5 bullish, 5 bearish.
- TDY’s TA Score: 5 bullish, 5 bearish.
Price Growth
KEYS (@Electronic Equipment/Instruments) experienced а -8.31% price change this week, while TDY (@Electronic Equipment/Instruments) price change was +2.24% for the same time period.
The average weekly price growth across all stocks in the @Electronic Equipment/Instruments industry was -2.50%. For the same industry, the average monthly price growth was -13.98%, and the average quarterly price growth was -16.40%.
Reported Earning Dates
KEYS is expected to report earnings on Nov 19, 2026.
TDY is expected to report earnings on Jan 27, 2027.
Industries' Descriptions
@Electronic Equipment/Instruments (-2.50% weekly)This industry manufactures electronic products used in various critical and sophisticated technologies, including laser-based systems, circuit and continuity testers, electro-optical measuring instruments and high-speed precision weighing and inspection equipment. Some major companies operating in this business are Canon Inc., Keysight Technologies Inc., and Fortive Corp.
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KEYS and
Correlation & Price change
A.I.dvisor indicates that over the last year, KEYS has been loosely correlated with MKSI. These tickers have moved in lockstep 64% of the time. This A.I.-generated data suggests there is some statistical probability that if KEYS jumps, then MKSI could also see price increases.
| Ticker / NAME | Correlation To KEYS | 1D Price Change % | ||
|---|---|---|---|---|
| KEYS | 100% | -2.69% | ||
| MKSI - KEYS | 64% Loosely correlated | -2.72% | ||
| COHR - KEYS | 63% Loosely correlated | -4.93% | ||
| ST - KEYS | 59% Loosely correlated | +2.38% | ||
| ESE - KEYS | 53% Loosely correlated | +1.41% | ||
| TDY - KEYS | 50% Loosely correlated | +0.26% | ||
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TDY and
Correlation & Price change
A.I.dvisor indicates that over the last year, TDY has been loosely correlated with KEYS. These tickers have moved in lockstep 51% of the time. This A.I.-generated data suggests there is some statistical probability that if TDY jumps, then KEYS could also see price increases.
| Ticker / NAME | Correlation To TDY | 1D Price Change % | ||
|---|---|---|---|---|
| TDY | 100% | +0.26% | ||
| KEYS - TDY | 51% Loosely correlated | -2.69% | ||
| ST - TDY | 50% Loosely correlated | +2.38% | ||
| ESE - TDY | 50% Loosely correlated | +1.41% | ||
| MKSI - TDY | 47% Loosely correlated | -2.72% | ||
| VPG - TDY | 42% Loosely correlated | -4.69% | ||
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