OSIS vs. KEYS

Last updated Jun 3, 2026

OSIS (OSI Systems, Inc.) and KEYS (Keysight Technologies, Inc.) are both stocks. Both are in the Technology sector — OSIS in Electronic Components, KEYS in Scientific & Technical Instruments. Over the past 10 years, OSIS returned 15.02%/yr vs 27.13%/yr for KEYS. At a 0.41 correlation, their price movements are largely independent.

Performance

OSIS vs. KEYS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in OSI Systems, Inc. (OSIS) and Keysight Technologies, Inc. (KEYS). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, OSIS achieves a -16.88% return, which is significantly lower than KEYS's 70.56% return. Over the past 10 years, OSIS has underperformed KEYS with an annualized return of 15.02%, while KEYS has yielded a comparatively higher 27.13% annualized return.

OSIS

• 1D: -0.64%
• 1M: -24.95%
• YTD: -16.88%
• 6M: -20.35%
• 1Y: -2.52%
• 3Y*: 20.39%
• 5Y*: 16.90%
• 10Y*: 15.02%

KEYS

• 1D: 5.02%
• 1M: -1.66%
• YTD: 70.56%
• 6M: 72.08%
• 1Y: 118.85%
• 3Y*: 28.52%
• 5Y*: 19.03%
• 10Y*: 27.13%

*Multi-year figures are annualized to reflect compound growth (CAGR)

OSIS vs. KEYS - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
OSIS OSI Systems, Inc.	-16.88%	52.34%	29.74%	62.29%	-14.68%	-0.02%	-7.46%	37.44%	13.86%	-15.42%
KEYS Keysight Technologies, Inc.	70.56%	26.50%	0.97%	-7.00%	-17.16%	56.34%	28.71%	65.32%	49.23%	13.75%

Correlation

The correlation between OSIS and KEYS is 0.45, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.45
Correlation (3Y) Calculated over the trailing 3-year period	0.44
Correlation (5Y) Calculated over the trailing 5-year period	0.43
Correlation (10Y) Calculated over the trailing 10-year period	0.41
Correlation (All Time) Calculated using the full available price history since Nov 4, 2014	0.41

Fundamentals

Market Cap OSIS : $3.69B KEYS : $59.96B
EPS OSIS : $8.73 KEYS : $6.07
PE Ratio OSIS : 24.29 KEYS : 57.10
PEG Ratio OSIS : 0.98 KEYS : 10.10
PS Ratio OSIS : 2.05 KEYS : 13.72
PB Ratio OSIS : 4.13 KEYS : 9.47
Total Revenue (TTM) OSIS : $1.81B KEYS : $4.37B
Gross Profit (TTM) OSIS : $593.38M KEYS : $2.70B
EBITDA (TTM) OSIS : $184.81M KEYS : $997.00M

Return for Risk

OSIS vs. KEYS — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

OSIS

OSIS Risk / Return Rank: 36
OSIS Sharpe Ratio Rank: 37
OSIS Sortino Ratio Rank: 35
OSIS Omega Ratio Rank: 35
OSIS Calmar Ratio Rank: 37
OSIS Martin Ratio Rank: 34

KEYS

KEYS Risk / Return Rank: 96
KEYS Sharpe Ratio Rank: 95
KEYS Sortino Ratio Rank: 95
KEYS Omega Ratio Rank: 95
KEYS Calmar Ratio Rank: 96
KEYS Martin Ratio Rank: 97

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

OSIS vs. KEYS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for OSI Systems, Inc. (OSIS) and Keysight Technologies, Inc. (KEYS). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	OSIS	KEYS	Difference
Sharpe ratio Return per unit of total volatility	-0.06	3.09	-3.15
Sortino ratio Return per unit of downside risk	0.22	4.27	-4.05
Omega ratio Gain probability vs. loss probability	1.03	1.56	-0.54
Calmar ratio Return relative to maximum drawdown	-0.10	8.62	-8.72
Martin ratio Return relative to average drawdown	-0.32	28.39	-28.70
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

OSIS vs. KEYS - Sharpe Ratio Comparison

The current OSIS Sharpe Ratio is -0.06, which is lower than the KEYS Sharpe Ratio of 3.09. The chart below compares the historical Sharpe Ratios of OSIS and KEYS, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	OSIS	KEYS	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.06	3.09	-3.15
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.51	0.58	-0.07
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.45	0.85	-0.40
Sharpe Ratio (All Time) Calculated using the full available price history	0.16	0.73	-0.57

Drawdowns

OSIS vs. KEYS - Drawdown Comparison

The maximum OSIS drawdown since its inception was -88.44%, which is greater than KEYS's maximum drawdown of -45.54%. Use the drawdown chart below to compare losses from any high point for OSIS and KEYS.

Drawdown Indicators

	OSIS	KEYS	Difference
Max Drawdown Largest peak-to-trough decline	-88.44%	-45.54%	-42.90%
Max Drawdown (1Y) Largest decline over 1 year	-33.67%	-14.00%	-19.67%
Max Drawdown (3Y) Largest decline over 3 years	-33.67%	-31.38%	-2.29%
Max Drawdown (5Y) Largest decline over 5 years	-33.67%	-42.62%	+8.95%
Max Drawdown (10Y) Largest decline over 10 years	-53.64%	-42.62%	-11.02%
Current Drawdown Current decline from peak	-31.54%	-5.48%	-26.06%
Average Drawdown Average peak-to-trough decline	-25.68%	-13.98%	-11.70%
Ulcer Index Depth and duration of drawdowns from previous peaks	10.19%	4.25%	+5.94%

Volatility

OSIS vs. KEYS - Volatility Comparison

OSI Systems, Inc. (OSIS) has a higher volatility of 21.53% compared to Keysight Technologies, Inc. (KEYS) at 10.49%. This indicates that OSIS's price experiences larger fluctuations and is considered to be riskier than KEYS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	OSIS	KEYS	Difference
Volatility (1M) Calculated over the trailing 1-month period	21.53%	10.49%	+11.04%
Volatility (6M) Calculated over the trailing 6-month period	33.42%	30.95%	+2.47%
Volatility (1Y) Calculated over the trailing 1-year period	43.29%	38.66%	+4.63%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	33.18%	32.72%	+0.46%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	33.65%	32.15%	+1.50%

Dividends

OSIS vs. KEYS - Dividend Comparison

Neither OSIS nor KEYS has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

Frequently Asked Questions

Can I hold both OSIS and KEYS in my portfolio?

OSIS and KEYS have a correlation of 0.45, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, OSIS or KEYS?

OSIS has higher volatility (21.53%) compared to KEYS (10.49%). In terms of maximum drawdown, OSIS dropped -88.44% vs KEYS's -45.54%.

Which has better risk-adjusted returns?

KEYS currently has the higher Sharpe Ratio (3.09 vs -0.06), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.