CLS.TO vs. FFIV

Last updated Jun 13, 2026

CLS.TO (Celestica Inc.) and FFIV (F5 Networks, Inc.) are both stocks. Both are in the Technology sector — CLS.TO in Electronic Components, FFIV in Software - Infrastructure. Over the past 10 years, CLS.TO returned 44.95%/yr vs 13.84%/yr for FFIV. At a 0.33 correlation, their price movements are largely independent.

Performance

CLS.TO vs. FFIV - Performance Comparison

The chart below illustrates the hypothetical performance of a CA$10,000 investment in Celestica Inc. (CLS.TO) and F5 Networks, Inc. (FFIV). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

CLS.TO is traded in CAD, while FFIV is traded in USD. To make them comparable, the FFIV values have been converted to CAD using the latest available exchange rates.

Returns By Period

In the year-to-date period, CLS.TO achieves a 35.52% return, which is significantly lower than FFIV's 58.35% return. Over the past 10 years, CLS.TO has outperformed FFIV with an annualized return of 44.95%, while FFIV has yielded a comparatively lower 13.84% annualized return.

CLS.TO

• 1D: 2.22%
• 1M: 11.19%
• YTD: 35.52%
• 6M: 30.45%
• 1Y: 223.16%
• 3Y*: 212.27%
• 5Y*: 122.50%
• 10Y*: 44.95%

FFIV

• 1D: 0.77%
• 1M: 10.78%
• YTD: 58.35%
• 6M: 52.97%
• 1Y: 42.04%
• 3Y*: 40.18%
• 5Y*: 18.89%
• 10Y*: 13.84%

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

CLS.TO vs. FFIV - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
CLS.TO Celestica Inc.	35.52%	206.05%	241.82%	154.33%	8.23%	37.29%	-4.64%	-9.95%	-9.26%	-17.16%
FFIV F5 Networks, Inc.	58.35%	-3.13%	52.40%	21.75%	-37.64%	39.02%	23.00%	-17.36%	33.86%	-15.47%

Correlation

The correlation between CLS.TO and FFIV is 0.13, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.13
Correlation (3Y) Calculated over the trailing 3-year period	0.31
Correlation (5Y) Calculated over the trailing 5-year period	0.36
Correlation (10Y) Calculated over the trailing 10-year period	0.35
Correlation (All Time) Calculated using the full available price history since Jul 12, 2006	0.33

The correlation between CLS.TO and FFIV shifts across timeframes, from 0.13 (1 year) to 0.36 (5 years), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap CLS.TO : CA$63.66B FFIV : $22.70B
EPS CLS.TO : $8.28 FFIV : $12.19
PE Ratio CLS.TO : 47.51 FFIV : 32.50
PEG Ratio CLS.TO : 0.64 FFIV : 1.42
PS Ratio CLS.TO : 3.30 FFIV : 9.54
PB Ratio CLS.TO : 21.70 FFIV : 6.22
Total Revenue (TTM) CLS.TO : $13.81B FFIV : $2.41B
Gross Profit (TTM) CLS.TO : $1.60B FFIV : $2.63B
EBITDA (TTM) CLS.TO : $1.36B FFIV : $889.95M

Return for Risk

CLS.TO vs. FFIV — Risk / Return Rank

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

CLS.TO

CLS.TO Risk / Return Rank: 92
CLS.TO Sharpe Ratio Rank: 95
CLS.TO Sortino Ratio Rank: 89
CLS.TO Omega Ratio Rank: 89
CLS.TO Calmar Ratio Rank: 95
CLS.TO Martin Ratio Rank: 94

FFIV

FFIV Risk / Return Rank: 69
FFIV Sharpe Ratio Rank: 75
FFIV Sortino Ratio Rank: 69
FFIV Omega Ratio Rank: 70
FFIV Calmar Ratio Rank: 65
FFIV Martin Ratio Rank: 64

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.

CLS.TO vs. FFIV - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Celestica Inc. (CLS.TO) and F5 Networks, Inc. (FFIV). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	CLS.TO	FFIV	Difference
Sharpe ratio: Return per unit of total volatility	2.94	1.15	+1.79
Sortino ratio: Return per unit of downside risk	2.88	1.67	+1.21
Omega ratio: Gain probability vs. loss probability	1.39	1.22	+0.17
Calmar ratio: Return relative to maximum drawdown	6.64	1.12	+5.52
Martin ratio: Return relative to average drawdown	16.31	2.35	+13.97

CLS.TO vs. FFIV - Sharpe Ratio Comparison

The current CLS.TO Sharpe Ratio is 2.94, which is higher than the FFIV Sharpe Ratio of 1.15. The chart below compares the historical Sharpe Ratios of CLS.TO and FFIV, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

CLS.TO vs. FFIV - Drawdown Comparison

The maximum CLS.TO drawdown since its inception was -79.32%, which is greater than FFIV's maximum drawdown of -62.33%. Use the drawdown chart below to compare losses from any high point for CLS.TO and FFIV.

Drawdown Indicators

	CLS.TO	FFIV	Difference
Max Drawdown Largest peak-to-trough decline	-79.32%	-62.33%	-16.99%
Max Drawdown (1Y) Largest decline over 1 year	-31.71%	-34.98%	+3.27%
Max Drawdown (3Y) Largest decline over 3 years	-54.25%	-34.98%	-19.27%
Max Drawdown (5Y) Largest decline over 5 years	-54.25%	-44.46%	-9.79%
Max Drawdown (10Y) Largest decline over 10 years	-79.32%	-50.40%	-28.92%
Current Drawdown Current decline from peak	-15.72%	-2.51%	-13.21%
Average Drawdown Average peak-to-trough decline	-28.84%	-20.13%	-8.71%
Ulcer Index Depth and duration of drawdowns from previous peaks	12.89%	16.61%	-3.72%

Volatility

CLS.TO vs. FFIV - Volatility Comparison

Celestica Inc. (CLS.TO) has a higher volatility of 27.86% compared to F5 Networks, Inc. (FFIV) at 9.16%. This indicates that CLS.TO's price experiences larger fluctuations and is considered to be riskier than FFIV based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CLS.TO	FFIV	Difference
Volatility (1M) Calculated over the trailing 1-month period	27.86%	9.16%	+18.70%
Volatility (6M) Calculated over the trailing 6-month period	55.27%	25.04%	+30.23%
Volatility (1Y) Calculated over the trailing 1-year period	71.69%	33.94%	+37.75%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	56.60%	30.62%	+25.98%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	48.83%	30.26%	+18.57%

Dividends

CLS.TO vs. FFIV - Dividend Comparison

Neither CLS.TO nor FFIV has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

Frequently Asked Questions

Can I hold both CLS.TO and FFIV in my portfolio?

CLS.TO and FFIV have a correlation of 0.13, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.