PLAB vs. TER

Last updated Jun 23, 2026

PLAB (Photronics, Inc.) and TER (Teradyne, Inc.) are both stocks. Both operate in the Semiconductor Equipment & Materials industry within the Technology sector. Over the past 10 years, PLAB returned 14.29%/yr vs 38.21%/yr for TER. At a 0.48 correlation, their price movements are largely independent.

Performance

PLAB vs. TER - Performance Comparison

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

Returns By Period

In the year-to-date period, PLAB achieves a 6.44% return, which is significantly lower than TER's 136.29% return. Over the past 10 years, PLAB has underperformed TER with an annualized return of 14.29%, while TER has yielded a comparatively higher 38.21% annualized return.

PLAB

• 1D: 1.28%
• 1M: -33.81%
• YTD: 6.44%
• 6M: -1.05%
• 1Y: 87.04%
• 3Y*: 13.92%
• 5Y*: 20.73%
• 10Y*: 14.29%

TER

• 1D: 4.36%
• 1M: 27.50%
• YTD: 136.29%
• 6M: 131.91%
• 1Y: 430.97%
• 3Y*: 63.81%
• 5Y*: 29.65%
• 10Y*: 38.21%

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

PLAB vs. TER - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PLAB Photronics, Inc.	6.44%	35.82%	-24.90%	86.39%	-10.72%	68.91%	-29.19%	62.81%	13.55%	-24.56%
TER Teradyne, Inc.	136.29%	54.39%	16.51%	24.78%	-46.35%	36.81%	76.73%	118.93%	-24.37%	66.16%

Correlation

The correlation between PLAB and TER is 0.65, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.65
Correlation (3Y) Calculated over the trailing 3-year period	0.71
Correlation (5Y) Calculated over the trailing 5-year period	0.71
Correlation (10Y) Calculated over the trailing 10-year period	0.65
Correlation (All Time) Calculated using the full available price history since Mar 26, 1990	0.48

The correlation between PLAB and TER shifts across timeframes, from 0.48 (all time) to 0.71 (3 years), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap PLAB : $1.99B TER : $72.04B
EPS PLAB : $2.70 TER : $5.38
PE Ratio PLAB : 12.61 TER : 85.01
PS Ratio PLAB : 2.33 TER : 19.17
PB Ratio PLAB : 1.18 TER : 22.91
Total Revenue (TTM) PLAB : $861.17M TER : $3.79B
Gross Profit (TTM) PLAB : $290.85M TER : $2.23B
EBITDA (TTM) PLAB : $268.43M TER : $1.11B

Return for Risk

PLAB vs. TER — Risk / Return Rank

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

PLAB

PLAB Risk / Return Rank: 76
PLAB Sharpe Ratio Rank: 74
PLAB Sortino Ratio Rank: 73
PLAB Omega Ratio Rank: 80
PLAB Calmar Ratio Rank: 73
PLAB Martin Ratio Rank: 80

TER

TER Risk / Return Rank: 98
TER Sharpe Ratio Rank: 99
TER Sortino Ratio Rank: 97
TER Omega Ratio Rank: 97
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.

PLAB vs. TER - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Photronics, Inc. (PLAB) 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.

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.

	PLAB	TER	Difference
Sharpe ratio: Return per unit of total volatility	1.06	6.40	-5.34
Sortino ratio: Return per unit of downside risk	1.84	4.79	-2.95
Omega ratio: Gain probability vs. loss probability	1.29	1.69	-0.40
Calmar ratio: Return relative to maximum drawdown	1.83	16.26	-14.43
Martin ratio: Return relative to average drawdown	6.07	57.85	-51.78

PLAB vs. TER - Sharpe Ratio Comparison

The current PLAB Sharpe Ratio is 1.06, which is lower than the TER Sharpe Ratio of 6.40. The chart below compares the historical Sharpe Ratios of PLAB and TER, 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

PLAB vs. TER - Drawdown Comparison

The maximum PLAB drawdown since its inception was -99.22%, roughly equal to the maximum TER drawdown of -97.30%. Use the drawdown chart below to compare losses from any high point for PLAB and TER.

Drawdown Indicators

	PLAB	TER	Difference
Max Drawdown Largest peak-to-trough decline	-99.22%	-97.30%	-1.92%
Max Drawdown (1Y) Largest decline over 1 year	-47.91%	-26.73%	-21.18%
Max Drawdown (3Y) Largest decline over 3 years	-50.62%	-58.18%	+7.56%
Max Drawdown (5Y) Largest decline over 5 years	-50.62%	-59.12%	+8.50%
Max Drawdown (10Y) Largest decline over 10 years	-50.62%	-59.12%	+8.50%
Current Drawdown Current decline from peak	-38.03%	0.00%	-38.03%
Average Drawdown Average peak-to-trough decline	-56.35%	-58.64%	+2.29%
Ulcer Index Depth and duration of drawdowns from previous peaks	14.39%	7.50%	+6.89%

Volatility

PLAB vs. TER - Volatility Comparison

Photronics, Inc. (PLAB) has a higher volatility of 49.73% compared to Teradyne, Inc. (TER) at 25.14%. This indicates that PLAB's price experiences larger fluctuations and is considered to be riskier than TER based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PLAB	TER	Difference
Volatility (1M) Calculated over the trailing 1-month period	49.73%	25.14%	+24.59%
Volatility (6M) Calculated over the trailing 6-month period	65.74%	53.79%	+11.95%
Volatility (1Y) Calculated over the trailing 1-year period	82.72%	67.98%	+14.74%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	57.94%	50.48%	+7.46%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	51.06%	45.48%	+5.58%

Dividends

PLAB vs. TER - Dividend Comparison

PLAB has not paid dividends to shareholders, while TER's dividend yield for the trailing twelve months is around 0.11%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PLAB Photronics, Inc.	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.	0.11%	0.25%	0.38%	0.41%	0.50%	0.24%	0.33%	0.53%	1.15%	0.67%	0.94%	1.16%

Financials

PLAB vs. TER - Profitability Comparison

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

PLAB - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Photronics, Inc. reported a gross profit of 65.76M and revenue of 209.94M. Therefore, the gross margin over that period was 31.3%.

TER - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Teradyne, Inc. reported a gross profit of 780.95M and revenue of 1.28B. Therefore, the gross margin over that period was 60.9%.

PLAB - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Photronics, Inc. reported an operating income of -54.80M and revenue of 209.94M, resulting in an operating margin of -26.1%.

TER - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Teradyne, Inc. reported an operating income of 473.00M and revenue of 1.28B, resulting in an operating margin of 36.9%.

PLAB - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Photronics, Inc. reported a net income of 31.43M and revenue of 209.94M, resulting in a net margin of 15.0%.

TER - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Teradyne, Inc. reported a net income of 398.91M and revenue of 1.28B, resulting in a net margin of 31.1%.

Frequently Asked Questions

Can I hold both PLAB and TER in my portfolio?

PLAB and TER have a correlation of 0.65, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PLAB or TER?

PLAB has higher volatility (49.73%) compared to TER (25.14%). In terms of maximum drawdown, PLAB dropped -99.22% vs TER's -97.30%.

Which has better risk-adjusted returns?

TER currently has the higher Sharpe Ratio (6.40 vs 1.06), 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.