CSCO vs. IREN

Last updated Jun 13, 2026

CSCO (Cisco Systems, Inc.) and IREN (IREN Limited) are both stocks. CSCO operates in Communication Equipment (Technology), while IREN operates in Capital Markets (Financial Services). Over the past 3 years, CSCO returned 37.33%/yr vs 155.58%/yr for IREN. At a 0.25 correlation, their price movements are largely independent.

Performance

CSCO vs. IREN - Performance Comparison

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

Returns By Period

The year-to-date returns for both stocks are quite close, with CSCO having a 58.91% return and IREN slightly lower at 58.25%.

CSCO

• 1D: -0.60%
• 1M: 18.88%
• YTD: 58.91%
• 6M: 57.34%
• 1Y: 90.30%
• 3Y*: 37.33%
• 5Y*: 20.60%
• 10Y*: 18.92%

IREN

• 1D: 5.40%
• 1M: 8.34%
• YTD: 58.25%
• 6M: 48.94%
• 1Y: 487.71%
• 3Y*: 155.58%
• 5Y*: —
• 10Y*: —

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

CSCO vs. IREN - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
CSCO Cisco Systems, Inc.	58.91%	33.47%	21.00%	9.30%	-22.46%	11.18%
IREN IREN Limited	58.25%	284.62%	37.34%	472.00%	-92.27%	-42.25%

Correlation

The correlation between CSCO and IREN is 0.18, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.18
Correlation (3Y) Calculated over the trailing 3-year period	0.23
Correlation (All Time) Calculated using the full available price history since Nov 17, 2021	0.25

Fundamentals

EPS CSCO : $3.00 IREN : $0.45
PE Ratio CSCO : 40.40 IREN : 131.80
PS Ratio CSCO : 7.95 IREN : 13.39
Total Revenue (TTM) CSCO : $60.75B IREN : $757.07M
Gross Profit (TTM) CSCO : $39.08B IREN : $433.88M
EBITDA (TTM) CSCO : $13.98B IREN : -$173.05M

Return for Risk

CSCO vs. IREN — Risk / Return Rank

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

CSCO

CSCO Risk / Return Rank: 95
CSCO Sharpe Ratio Rank: 95
CSCO Sortino Ratio Rank: 93
CSCO Omega Ratio Rank: 95
CSCO Calmar Ratio Rank: 95
CSCO 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.

CSCO vs. IREN - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Cisco Systems, Inc. (CSCO) 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.

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.

	CSCO	IREN	Difference
Sharpe ratio: Return per unit of total volatility	2.94	4.76	-1.83
Sortino ratio: Return per unit of downside risk	3.47	3.66	-0.19
Omega ratio: Gain probability vs. loss probability	1.53	1.42	+0.11
Calmar ratio: Return relative to maximum drawdown	6.69	8.39	-1.70
Martin ratio: Return relative to average drawdown	18.37	15.97	+2.40

CSCO vs. IREN - Sharpe Ratio Comparison

The current CSCO Sharpe Ratio is 2.94, which is lower than the IREN Sharpe Ratio of 4.76. The chart below compares the historical Sharpe Ratios of CSCO 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.

Drawdowns

CSCO vs. IREN - Drawdown Comparison

The maximum CSCO drawdown since its inception was -89.26%, smaller than the maximum IREN drawdown of -96.21%. Use the drawdown chart below to compare losses from any high point for CSCO and IREN.

Drawdown Indicators

	CSCO	IREN	Difference
Max Drawdown Largest peak-to-trough decline	-89.26%	-96.21%	+6.95%
Max Drawdown (1Y) Largest decline over 1 year	-13.57%	-58.62%	+45.05%
Max Drawdown (3Y) Largest decline over 3 years	-20.16%	-65.56%	+45.40%
Max Drawdown (5Y) Largest decline over 5 years	-36.68%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-41.95%	—	—
Current Drawdown Current decline from peak	-6.85%	-21.78%	+14.93%
Average Drawdown Average peak-to-trough decline	-40.11%	-65.42%	+25.31%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.93%	30.74%	-25.81%

Volatility

CSCO vs. IREN - Volatility Comparison

The current volatility for Cisco Systems, Inc. (CSCO) is 17.31%, while IREN Limited (IREN) has a volatility of 34.10%. This indicates that CSCO 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

	CSCO	IREN	Difference
Volatility (1M) Calculated over the trailing 1-month period	17.31%	34.10%	-16.79%
Volatility (6M) Calculated over the trailing 6-month period	27.29%	75.79%	-48.50%
Volatility (1Y) Calculated over the trailing 1-year period	30.93%	103.25%	-72.32%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	24.88%	118.61%	-93.73%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	25.89%	118.61%	-92.72%

Dividends

CSCO vs. IREN - Dividend Comparison

CSCO's dividend yield for the trailing twelve months is around 1.36%, while IREN has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CSCO Cisco Systems, Inc.	1.36%	2.12%	2.69%	3.07%	3.17%	2.32%	3.20%	2.88%	2.95%	2.95%	3.28%	3.02%
IREN IREN Limited	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Financials

Frequently Asked Questions

Can I hold both CSCO and IREN in my portfolio?

CSCO and IREN have a correlation of 0.18, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CSCO or IREN?

IREN has higher volatility (34.10%) compared to CSCO (17.31%). In terms of maximum drawdown, CSCO dropped -89.26% vs IREN's -96.21%.

Which has better risk-adjusted returns?

IREN currently has the higher Sharpe Ratio (4.76 vs 2.94), 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.