IRBT vs. TER

Last updated Apr 1, 2026

Compare and contrast key facts about iRobot Corporation (IRBT) and Teradyne, Inc. (TER).

Performance

IRBT vs. TER - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iRobot Corporation (IRBT) and Teradyne, Inc. (TER). The values are adjusted to include any dividend payments, if applicable.

IRBT vs. TER - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IRBT iRobot Corporation	0.00%	-93.98%	-79.97%	-19.59%	-26.94%	-17.95%	58.58%	-39.54%	9.18%	31.22%
TER Teradyne, Inc.	53.23%	54.39%	16.51%	24.78%	-46.35%	36.81%	76.73%	118.93%	-24.37%	66.16%

Fundamentals

Market Cap IRBT : $16.26M TER : $46.74B
EPS IRBT : -$6.11 TER : $3.48
PS Ratio IRBT : 0.03 TER : 14.80
Total Revenue (TTM) IRBT : $547.00M TER : $3.19B
Gross Profit (TTM) IRBT : $120.28M TER : $1.86B
EBITDA (TTM) IRBT : -$181.19M TER : $779.72M

Returns By Period

Over the past 10 years, IRBT has underperformed TER with an annualized return of -35.14%, while TER has yielded a comparatively higher 30.61% annualized return.

IRBT

• 1D: 0.00%
• 1M: 0.00%
• YTD: 0.00%
• 6M: -87.01%
• 1Y: -82.73%
• 3Y*: -77.97%
• 5Y*: -67.14%
• 10Y*: -35.14%

TER

• 1D: 7.28%
• 1M: -7.36%
• YTD: 53.23%
• 6M: 115.64%
• 1Y: 260.24%
• 3Y*: 40.80%
• 5Y*: 18.61%
• 10Y*: 30.61%

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

Return for Risk

IRBT vs. TER — Risk / Return Rank

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

IRBT

IRBT Risk / Return Rank: 19
IRBT Sharpe Ratio Rank: 21
IRBT Sortino Ratio Rank: 28
IRBT Omega Ratio Rank: 28
IRBT Calmar Ratio Rank: 2
IRBT Martin Ratio Rank: 15

TER

TER Risk / Return Rank: 98
TER Sharpe Ratio Rank: 99
TER Sortino Ratio Rank: 98
TER Omega Ratio Rank: 96
TER Calmar Ratio Rank: 99
TER Martin Ratio Rank: 99

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.

IRBT vs. TER - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iRobot Corporation (IRBT) and Teradyne, Inc. (TER). 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.

	IRBT	TER	Difference
Sharpe ratio Return per unit of total volatility	-0.47	4.21	-4.68
Sortino ratio Return per unit of downside risk	-0.07	4.28	-4.35
Omega ratio Gain probability vs. loss probability	0.99	1.57	-0.58
Calmar ratio Return relative to maximum drawdown	-0.99	12.75	-13.74
Martin ratio Return relative to average drawdown	-1.33	38.79	-40.12
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IRBT vs. TER - Sharpe Ratio Comparison

The current IRBT Sharpe Ratio is -0.47, which is lower than the TER Sharpe Ratio of 4.21. The chart below compares the historical Sharpe Ratios of IRBT and TER, 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

	IRBT	TER	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.47	4.21	-4.68
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.65	0.39	-1.05
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	-0.43	0.70	-1.13
Sharpe Ratio (All Time) Calculated using the full available price history	-0.26	0.21	-0.47

Correlation

The correlation between IRBT and TER is 0.38, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

IRBT vs. TER - Dividend Comparison

IRBT has not paid dividends to shareholders, while TER's dividend yield for the trailing twelve months is around 0.17%.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IRBT iRobot Corporation	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
TER Teradyne, Inc.	0.17%	0.25%	0.38%	0.41%	0.50%	0.24%	0.33%	0.53%	1.15%	0.67%	0.94%	1.16%

Drawdowns

IRBT vs. TER - Drawdown Comparison

The maximum IRBT drawdown since its inception was -99.71%, roughly equal to the maximum TER drawdown of -97.30%. Use the drawdown chart below to compare losses from any high point for IRBT and TER.

Drawdown Indicators

	IRBT	TER	Difference
Max Drawdown Largest peak-to-trough decline	-99.71%	-97.30%	-2.41%
Max Drawdown (1Y) Largest decline over 1 year	-91.64%	-20.35%	-71.29%
Max Drawdown (5Y) Largest decline over 5 years	-99.62%	-59.12%	-40.50%
Max Drawdown (10Y) Largest decline over 10 years	-99.71%	-59.12%	-40.59%
Current Drawdown Current decline from peak	-99.71%	-13.52%	-86.19%
Average Drawdown Average peak-to-trough decline	-45.84%	-58.93%	+13.09%
Ulcer Index Depth and duration of drawdowns from previous peaks	71.49%	6.69%	+64.80%

Volatility

IRBT vs. TER - Volatility Comparison

The current volatility for iRobot Corporation (IRBT) is 0.00%, while Teradyne, Inc. (TER) has a volatility of 23.19%. This indicates that IRBT experiences smaller price fluctuations and is considered to be less risky than TER based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IRBT	TER	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.00%	23.19%	-23.19%
Volatility (6M) Calculated over the trailing 6-month period	179.02%	45.67%	+133.35%
Volatility (1Y) Calculated over the trailing 1-year period	185.88%	62.25%	+123.63%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	104.61%	47.65%	+56.96%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	83.26%	43.72%	+39.54%

Financials

IRBT vs. TER - Profitability Comparison

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

IRBT - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, iRobot Corporation reported a gross profit of 45.25M and revenue of 145.83M. Therefore, the gross margin over that period was 31.0%.

TER - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Teradyne, Inc. reported a gross profit of 622.85M and revenue of 1.08B. Therefore, the gross margin over that period was 57.5%.

IRBT - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, iRobot Corporation reported an operating income of -17.67M and revenue of 145.83M, resulting in an operating margin of -12.1%.

TER - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Teradyne, Inc. reported an operating income of 310.18M and revenue of 1.08B, resulting in an operating margin of 28.6%.

IRBT - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, iRobot Corporation reported a net income of -21.53M and revenue of 145.83M, resulting in a net margin of -14.8%.

TER - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Teradyne, Inc. reported a net income of 257.22M and revenue of 1.08B, resulting in a net margin of 23.7%.