CLS vs. IREN

Last updated Jun 9, 2026

CLS (Celestica Inc.) and IREN (IREN Limited) are both stocks. CLS operates in Electronic Components (Technology), while IREN operates in Capital Markets (Financial Services). Over the past 3 years, CLS returned 209.55%/yr vs 153.35%/yr for IREN. At a 0.32 correlation, their price movements are largely independent.

Performance

CLS vs. IREN - Performance Comparison

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

Returns By Period

In the year-to-date period, CLS achieves a 30.75% return, which is significantly lower than IREN's 56.71% return.

CLS

• 1D: 3.98%
• 1M: 2.92%
• YTD: 30.75%
• 6M: 13.42%
• 1Y: 220.14%
• 3Y*: 209.55%
• 5Y*: 114.81%
• 10Y*: 43.16%

IREN

• 1D: 8.91%
• 1M: -3.28%
• YTD: 56.71%
• 6M: 27.73%
• 1Y: 507.08%
• 3Y*: 153.35%
• 5Y*: —
• 10Y*: —

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

CLS vs. IREN - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
CLS Celestica Inc.	30.75%	220.27%	215.23%	159.80%	1.26%	-2.96%
IREN IREN Limited	56.71%	284.62%	37.34%	472.00%	-92.27%	-33.87%

Correlation

The correlation between CLS and IREN is 0.29, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.29
Correlation (3Y) Calculated over the trailing 3-year period	0.32
Correlation (All Time) Calculated using the full available price history since Nov 18, 2021	0.32

Fundamentals

EPS CLS : $8.28 IREN : $0.45
PE Ratio CLS : 46.65 IREN : 130.53
PS Ratio CLS : 3.24 IREN : 13.26
Total Revenue (TTM) CLS : $13.81B IREN : $757.07M
Gross Profit (TTM) CLS : $1.60B IREN : $433.88M
EBITDA (TTM) CLS : $1.32B IREN : -$173.05M

Return for Risk

CLS vs. IREN — Risk / Return Rank

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

CLS

CLS Risk / Return Rank: 93
CLS Sharpe Ratio Rank: 95
CLS Sortino Ratio Rank: 89
CLS Omega Ratio Rank: 88
CLS Calmar Ratio Rank: 96
CLS Martin Ratio Rank: 95

IREN

IREN Risk / Return Rank: 95
IREN Sharpe Ratio Rank: 99
IREN Sortino Ratio Rank: 94
IREN Omega Ratio Rank: 91
IREN Calmar Ratio Rank: 97
IREN Martin Ratio Rank: 94

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 vs. IREN - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Celestica Inc. (CLS) and IREN Limited (IREN). 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.

	CLS	IREN	Difference
Sharpe ratio: Return per unit of total volatility	3.06	5.00	-1.94
Sortino ratio: Return per unit of downside risk	2.94	3.74	-0.79
Omega ratio: Gain probability vs. loss probability	1.39	1.43	-0.04
Calmar ratio: Return relative to maximum drawdown	7.58	8.73	-1.14
Martin ratio: Return relative to average drawdown	18.88	16.71	+2.17
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CLS vs. IREN - Sharpe Ratio Comparison

The current CLS Sharpe Ratio is 3.06, which is lower than the IREN Sharpe Ratio of 5.00. The chart below compares the historical Sharpe Ratios of CLS and IREN, 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

	CLS	IREN	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.06	5.00	-1.94
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	2.01	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.87	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.27	0.18	+0.09

Drawdowns

CLS vs. IREN - Drawdown Comparison

The maximum CLS drawdown since its inception was -96.93%, roughly equal to the maximum IREN drawdown of -95.73%. Use the drawdown chart below to compare losses from any high point for CLS and IREN.

Drawdown Indicators

	CLS	IREN	Difference
Max Drawdown Largest peak-to-trough decline	-96.93%	-95.73%	-1.20%
Max Drawdown (1Y) Largest decline over 1 year	-29.24%	-58.62%	+29.38%
Max Drawdown (3Y) Largest decline over 3 years	-53.96%	-65.56%	+11.60%
Max Drawdown (5Y) Largest decline over 5 years	-53.96%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-80.60%	—	—
Current Drawdown Current decline from peak	-18.18%	-22.54%	+4.36%
Average Drawdown Average peak-to-trough decline	-73.36%	-62.69%	-10.67%
Ulcer Index Depth and duration of drawdowns from previous peaks	11.72%	30.55%	-18.83%

Volatility

CLS vs. IREN - Volatility Comparison

The current volatility for Celestica Inc. (CLS) is 26.60%, while IREN Limited (IREN) has a volatility of 33.35%. This indicates that CLS experiences smaller price fluctuations and is considered to be less risky than IREN based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CLS	IREN	Difference
Volatility (1M) Calculated over the trailing 1-month period	26.60%	33.35%	-6.75%
Volatility (6M) Calculated over the trailing 6-month period	55.08%	74.76%	-19.68%
Volatility (1Y) Calculated over the trailing 1-year period	72.52%	102.51%	-29.99%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	57.62%	118.50%	-60.88%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	49.93%	118.50%	-68.57%

Dividends

CLS vs. IREN - Dividend Comparison

Neither CLS nor IREN has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

Frequently Asked Questions

Can I hold both CLS and IREN in my portfolio?

CLS and IREN have a correlation of 0.29, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CLS or IREN?

IREN has higher volatility (33.35%) compared to CLS (26.60%). In terms of maximum drawdown, CLS dropped -96.93% vs IREN's -95.73%.

Which has better risk-adjusted returns?

IREN currently has the higher Sharpe Ratio (5.00 vs 3.06), 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.