IMOS vs. OPRA

Last updated Apr 1, 2026

Compare and contrast key facts about ChipMOS TECHNOLOGIES INC. (IMOS) and Opera Limited (OPRA).

Performance

IMOS vs. OPRA - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ChipMOS TECHNOLOGIES INC. (IMOS) and Opera Limited (OPRA). The values are adjusted to include any dividend payments, if applicable.

IMOS vs. OPRA - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
IMOS ChipMOS TECHNOLOGIES INC.	20.76%	64.28%	-27.86%	34.76%	-32.61%	49.82%	12.33%	38.76%	16.86%
OPRA Opera Limited	3.53%	-22.08%	52.02%	140.60%	-10.91%	-22.67%	-1.30%	66.37%	-57.59%

Fundamentals

Market Cap IMOS : $1.27B OPRA : $1.30B
EPS IMOS : $14.05 OPRA : $1.19
PE Ratio IMOS : 2.55 OPRA : 11.95
PS Ratio IMOS : 0.05 OPRA : 2.10
PB Ratio IMOS : 0.05 OPRA : 1.28
Total Revenue (TTM) IMOS : $24.06B OPRA : $614.60M
Gross Profit (TTM) IMOS : $2.61B OPRA : $359.92M
EBITDA (TTM) IMOS : $1.15B OPRA : $109.91M

Returns By Period

In the year-to-date period, IMOS achieves a 20.76% return, which is significantly higher than OPRA's 3.53% return.

IMOS

• 1D: 1.59%
• 1M: -20.37%
• YTD: 20.76%
• 6M: 87.23%
• 1Y: 121.82%
• 3Y*: 18.07%
• 5Y*: 8.42%
• 10Y*: 12.42%

OPRA

• 1D: 4.85%
• 1M: -11.10%
• YTD: 3.53%
• 6M: -28.97%
• 1Y: -6.10%
• 3Y*: 17.72%
• 5Y*: 11.67%
• 10Y*: —

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

Return for Risk

IMOS vs. OPRA — Risk / Return Rank

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

IMOS

IMOS Risk / Return Rank: 91
IMOS Sharpe Ratio Rank: 92
IMOS Sortino Ratio Rank: 91
IMOS Omega Ratio Rank: 87
IMOS Calmar Ratio Rank: 92
IMOS Martin Ratio Rank: 91

OPRA

OPRA Risk / Return Rank: 36
OPRA Sharpe Ratio Rank: 37
OPRA Sortino Ratio Rank: 36
OPRA Omega Ratio Rank: 35
OPRA Calmar Ratio Rank: 36
OPRA Martin Ratio Rank: 37

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.

IMOS vs. OPRA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ChipMOS TECHNOLOGIES INC. (IMOS) and Opera Limited (OPRA). 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.

	IMOS	OPRA	Difference
Sharpe ratio Return per unit of total volatility	2.23	-0.11	+2.34
Sortino ratio Return per unit of downside risk	2.94	0.24	+2.69
Omega ratio Gain probability vs. loss probability	1.35	1.03	+0.33
Calmar ratio Return relative to maximum drawdown	4.40	-0.18	+4.58
Martin ratio Return relative to average drawdown	11.09	-0.33	+11.42
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IMOS vs. OPRA - Sharpe Ratio Comparison

The current IMOS Sharpe Ratio is 2.23, which is higher than the OPRA Sharpe Ratio of -0.11. The chart below compares the historical Sharpe Ratios of IMOS and OPRA, 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

	IMOS	OPRA	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.23	-0.11	+2.34
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.22	0.19	+0.03
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.34	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.06	0.07	-0.01

Correlation

The correlation between IMOS and OPRA is 0.21, 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

IMOS vs. OPRA - Dividend Comparison

IMOS's dividend yield for the trailing twelve months is around 2.30%, less than OPRA's 5.61% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IMOS ChipMOS TECHNOLOGIES INC.	2.30%	2.77%	5.90%	5.52%	13.62%	4.46%	3.84%	2.61%	0.80%	3.49%	7.28%	0.71%
OPRA Opera Limited	5.61%	5.65%	4.22%	8.92%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Drawdowns

IMOS vs. OPRA - Drawdown Comparison

The maximum IMOS drawdown since its inception was -98.76%, which is greater than OPRA's maximum drawdown of -72.85%. Use the drawdown chart below to compare losses from any high point for IMOS and OPRA.

Drawdown Indicators

	IMOS	OPRA	Difference
Max Drawdown Largest peak-to-trough decline	-98.76%	-72.85%	-25.91%
Max Drawdown (1Y) Largest decline over 1 year	-25.39%	-41.28%	+15.89%
Max Drawdown (5Y) Largest decline over 5 years	-62.26%	-68.16%	+5.90%
Max Drawdown (10Y) Largest decline over 10 years	-62.26%	—	—
Current Drawdown Current decline from peak	-20.37%	-41.70%	+21.33%
Average Drawdown Average peak-to-trough decline	-60.80%	-40.94%	-19.86%
Ulcer Index Depth and duration of drawdowns from previous peaks	10.07%	22.69%	-12.62%

Volatility

IMOS vs. OPRA - Volatility Comparison

ChipMOS TECHNOLOGIES INC. (IMOS) has a higher volatility of 18.41% compared to Opera Limited (OPRA) at 10.51%. This indicates that IMOS's price experiences larger fluctuations and is considered to be riskier than OPRA based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IMOS	OPRA	Difference
Volatility (1M) Calculated over the trailing 1-month period	18.41%	10.51%	+7.90%
Volatility (6M) Calculated over the trailing 6-month period	44.29%	39.99%	+4.30%
Volatility (1Y) Calculated over the trailing 1-year period	55.16%	54.67%	+0.49%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	38.92%	62.30%	-23.38%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	36.67%	64.79%	-28.12%

Financials

IMOS vs. OPRA - Profitability Comparison

The chart below illustrates the profitability comparison between ChipMOS TECHNOLOGIES INC. and Opera Limited over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

IMOS - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, ChipMOS TECHNOLOGIES INC. reported a gross profit of 949.68M and revenue of 6.65B. Therefore, the gross margin over that period was 14.3%.

OPRA - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Opera Limited reported a gross profit of 76.51M and revenue of 176.99M. Therefore, the gross margin over that period was 43.2%.

IMOS - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, ChipMOS TECHNOLOGIES INC. reported an operating income of 641.82M and revenue of 6.65B, resulting in an operating margin of 9.7%.

OPRA - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Opera Limited reported an operating income of 29.46M and revenue of 176.99M, resulting in an operating margin of 16.6%.

IMOS - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, ChipMOS TECHNOLOGIES INC. reported a net income of 502.39M and revenue of 6.65B, resulting in a net margin of 7.6%.

OPRA - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Opera Limited reported a net income of 55.64M and revenue of 176.99M, resulting in a net margin of 31.4%.