REZI vs. CIEN

Last updated Apr 1, 2026

Compare and contrast key facts about Resideo Technologies, Inc. (REZI) and Ciena Corporation (CIEN).

Performance

REZI vs. CIEN - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Resideo Technologies, Inc. (REZI) and Ciena Corporation (CIEN). The values are adjusted to include any dividend payments, if applicable.

REZI vs. CIEN - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
REZI Resideo Technologies, Inc.	-4.01%	52.36%	22.48%	14.41%	-36.80%	22.44%	78.21%	-41.95%	-20.41%
CIEN Ciena Corporation	66.00%	175.76%	88.42%	-11.71%	-33.77%	45.64%	23.80%	25.89%	14.10%

Fundamentals

Market Cap REZI : $5.23B CIEN : $56.60B
EPS REZI : -$3.45 CIEN : $1.58
PS Ratio REZI : 0.69 CIEN : 11.00
PB Ratio REZI : 2.15 CIEN : 20.27
Total Revenue (TTM) REZI : $7.47B CIEN : $5.12B
Gross Profit (TTM) REZI : $2.20B CIEN : $2.09B
EBITDA (TTM) REZI : -$241.00M CIEN : $450.47M

Returns By Period

In the year-to-date period, REZI achieves a -4.01% return, which is significantly lower than CIEN's 66.00% return.

REZI

• 1D: 3.31%
• 1M: -12.89%
• YTD: -4.01%
• 6M: -21.93%
• 1Y: 90.45%
• 3Y*: 22.63%
• 5Y*: 2.63%
• 10Y*: —

CIEN

• 1D: 6.36%
• 1M: 11.34%
• YTD: 66.00%
• 6M: 166.51%
• 1Y: 542.45%
• 3Y*: 94.80%
• 5Y*: 46.98%
• 10Y*: 35.32%

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

Return for Risk

REZI vs. CIEN — Risk / Return Rank

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

REZI

REZI Risk / Return Rank: 83
REZI Sharpe Ratio Rank: 86
REZI Sortino Ratio Rank: 81
REZI Omega Ratio Rank: 84
REZI Calmar Ratio Rank: 82
REZI Martin Ratio Rank: 80

CIEN

CIEN Risk / Return Rank: 99
CIEN Sharpe Ratio Rank: 100
CIEN Sortino Ratio Rank: 99
CIEN Omega Ratio Rank: 99
CIEN Calmar Ratio Rank: 100
CIEN Martin Ratio Rank: 100

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.

REZI vs. CIEN - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Resideo Technologies, Inc. (REZI) and Ciena Corporation (CIEN). 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.

	REZI	CIEN	Difference
Sharpe ratio Return per unit of total volatility	1.62	8.51	-6.89
Sortino ratio Return per unit of downside risk	2.15	5.15	-3.00
Omega ratio Gain probability vs. loss probability	1.33	1.83	-0.51
Calmar ratio Return relative to maximum drawdown	2.53	29.93	-27.40
Martin ratio Return relative to average drawdown	6.01	87.09	-81.08
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

REZI vs. CIEN - Sharpe Ratio Comparison

The current REZI Sharpe Ratio is 1.62, which is lower than the CIEN Sharpe Ratio of 8.51. The chart below compares the historical Sharpe Ratios of REZI and CIEN, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	REZI	CIEN	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.62	8.51	-6.89
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.06	1.01	-0.96
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.82	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.06	0.06	+0.01

Correlation

The correlation between REZI and CIEN is 0.41, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

REZI vs. CIEN - Dividend Comparison

Neither REZI nor CIEN has paid dividends to shareholders.

Tickers have no history of dividend payments

Drawdowns

REZI vs. CIEN - Drawdown Comparison

The maximum REZI drawdown since its inception was -84.97%, smaller than the maximum CIEN drawdown of -99.51%. Use the drawdown chart below to compare losses from any high point for REZI and CIEN.

Drawdown Indicators

	REZI	CIEN	Difference
Max Drawdown Largest peak-to-trough decline	-84.97%	-99.51%	+14.54%
Max Drawdown (1Y) Largest decline over 1 year	-35.21%	-17.73%	-17.48%
Max Drawdown (5Y) Largest decline over 5 years	-56.13%	-49.54%	-6.59%
Max Drawdown (10Y) Largest decline over 10 years	—	-49.54%	—
Current Drawdown Current decline from peak	-24.25%	-62.90%	+38.65%
Average Drawdown Average peak-to-trough decline	-33.83%	-87.35%	+53.52%
Ulcer Index Depth and duration of drawdowns from previous peaks	14.84%	6.09%	+8.75%

Volatility

REZI vs. CIEN - Volatility Comparison

The current volatility for Resideo Technologies, Inc. (REZI) is 13.24%, while Ciena Corporation (CIEN) has a volatility of 30.07%. This indicates that REZI experiences smaller price fluctuations and is considered to be less risky than CIEN based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	REZI	CIEN	Difference
Volatility (1M) Calculated over the trailing 1-month period	13.24%	30.07%	-16.83%
Volatility (6M) Calculated over the trailing 6-month period	42.12%	49.75%	-7.63%
Volatility (1Y) Calculated over the trailing 1-year period	56.14%	64.38%	-8.24%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	45.97%	46.60%	-0.63%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	58.25%	43.44%	+14.81%

Financials

REZI vs. CIEN - Profitability Comparison

The chart below illustrates the profitability comparison between Resideo Technologies, Inc. and Ciena Corporation over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

REZI - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Resideo Technologies, Inc. reported a gross profit of 591.00M and revenue of 1.90B. Therefore, the gross margin over that period was 31.2%.

CIEN - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Ciena Corporation reported a gross profit of 625.52M and revenue of 1.43B. Therefore, the gross margin over that period was 43.8%.

REZI - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Resideo Technologies, Inc. reported an operating income of 137.00M and revenue of 1.90B, resulting in an operating margin of 7.2%.

CIEN - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Ciena Corporation reported an operating income of 189.41M and revenue of 1.43B, resulting in an operating margin of 13.3%.

REZI - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Resideo Technologies, Inc. reported a net income of 136.00M and revenue of 1.90B, resulting in a net margin of 7.2%.

CIEN - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Ciena Corporation reported a net income of 150.28M and revenue of 1.43B, resulting in a net margin of 10.5%.