LWLG vs. PSI

Last updated Jun 25, 2026

LWLG (Lightwave Logic, Inc.) is a stock, while PSI (Invesco Semiconductors ETF) is Semiconductors fund tracking the Dynamic Semiconductors Intellidex Index. Over the past 10 years, LWLG returned 30.19%/yr vs 35.13%/yr for PSI. At a 0.20 correlation, their price movements are largely independent.

Performance

LWLG vs. PSI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Lightwave Logic, Inc. (LWLG) and Invesco Semiconductors ETF (PSI). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, LWLG achieves a 158.95% return, which is significantly higher than PSI's 114.01% return. Over the past 10 years, LWLG has underperformed PSI with an annualized return of 30.19%, while PSI has yielded a comparatively higher 35.13% annualized return.

LWLG

• 1D: -9.40%
• 1M: -34.71%
• YTD: 158.95%
• 6M: 146.04%
• 1Y: 565.87%
• 3Y*: 7.52%
• 5Y*: -3.76%
• 10Y*: 30.19%

PSI

• 1D: -0.99%
• 1M: 9.77%
• YTD: 114.01%
• 6M: 108.82%
• 1Y: 184.91%
• 3Y*: 58.24%
• 5Y*: 32.63%
• 10Y*: 35.13%

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

LWLG vs. PSI - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
LWLG Lightwave Logic, Inc.	158.95%	54.29%	-57.83%	15.55%	-71.03%	1,500.00%	32.86%	-1.41%	-37.72%	83.87%
PSI Invesco Semiconductors ETF	114.01%	36.32%	17.17%	49.06%	-34.43%	46.55%	56.75%	52.49%	-11.55%	40.16%

Correlation

The correlation between LWLG and PSI is 0.41, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.41
Correlation (3Y) Calculated over the trailing 3-year period	0.41
Correlation (5Y) Calculated over the trailing 5-year period	0.45
Correlation (10Y) Calculated over the trailing 10-year period	0.29
Correlation (All Time) Calculated using the full available price history since Jul 13, 2007	0.20

Over the past year, LWLG and PSI have become more correlated (0.41) than their long-term average of 0.20, meaning their price movements have been converging.

Return for Risk

LWLG vs. PSI — Risk / Return Rank

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

LWLG

LWLG Risk / Return Rank: 96
LWLG Sharpe Ratio Rank: 98
LWLG Sortino Ratio Rank: 94
LWLG Omega Ratio Rank: 92
LWLG Calmar Ratio Rank: 98
LWLG Martin Ratio Rank: 97

PSI

PSI Risk / Return Rank: 96
PSI Sharpe Ratio Rank: 97
PSI Sortino Ratio Rank: 93
PSI Omega Ratio Rank: 93
PSI Calmar Ratio Rank: 98
PSI Martin Ratio Rank: 97

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.

LWLG vs. PSI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Lightwave Logic, Inc. (LWLG) and Invesco Semiconductors ETF (PSI). 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.

	LWLG	PSI	Difference
Sharpe ratio: Return per unit of total volatility	4.41	4.43	-0.02
Sortino ratio: Return per unit of downside risk	3.68	4.19	-0.51
Omega ratio: Gain probability vs. loss probability	1.44	1.58	-0.14
Calmar ratio: Return relative to maximum drawdown	10.58	12.03	-1.44
Martin ratio: Return relative to average drawdown	22.09	41.47	-19.37

LWLG vs. PSI - Sharpe Ratio Comparison

The current LWLG Sharpe Ratio is 4.41, which is comparable to the PSI Sharpe Ratio of 4.43. The chart below compares the historical Sharpe Ratios of LWLG and PSI, 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

LWLG vs. PSI - Drawdown Comparison

The maximum LWLG drawdown since its inception was -95.76%, which is greater than PSI's maximum drawdown of -62.96%. Use the drawdown chart below to compare losses from any high point for LWLG and PSI.

Drawdown Indicators

	LWLG	PSI	Difference
Max Drawdown Largest peak-to-trough decline	-95.76%	-62.96%	-32.80%
Max Drawdown (1Y) Largest decline over 1 year	-53.94%	-15.48%	-38.46%
Max Drawdown (3Y) Largest decline over 3 years	-90.40%	-41.07%	-49.33%
Max Drawdown (5Y) Largest decline over 5 years	-95.76%	-44.85%	-50.91%
Max Drawdown (10Y) Largest decline over 10 years	-95.76%	-44.85%	-50.91%
Current Drawdown Current decline from peak	-57.11%	-8.51%	-48.60%
Average Drawdown Average peak-to-trough decline	-43.17%	-15.90%	-27.27%
Ulcer Index Depth and duration of drawdowns from previous peaks	25.79%	4.48%	+21.31%

Volatility

LWLG vs. PSI - Volatility Comparison

Lightwave Logic, Inc. (LWLG) has a higher volatility of 32.59% compared to Invesco Semiconductors ETF (PSI) at 21.88%. This indicates that LWLG's price experiences larger fluctuations and is considered to be riskier than PSI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	LWLG	PSI	Difference
Volatility (1M) Calculated over the trailing 1-month period	32.59%	21.88%	+10.71%
Volatility (6M) Calculated over the trailing 6-month period	95.53%	35.12%	+60.41%
Volatility (1Y) Calculated over the trailing 1-year period	129.60%	42.22%	+87.38%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	101.41%	38.83%	+62.58%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	89.60%	35.60%	+54.00%

Dividends

LWLG vs. PSI - Dividend Comparison

LWLG has not paid dividends to shareholders, while PSI's dividend yield for the trailing twelve months is around 0.03%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
LWLG Lightwave Logic, 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%
PSI Invesco Semiconductors ETF	0.03%	0.10%	0.15%	0.40%	0.61%	0.14%	0.21%	0.52%	0.83%	0.21%	0.68%	0.16%

Frequently Asked Questions

Can I hold both LWLG and PSI in my portfolio?

LWLG and PSI have a correlation of 0.41, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, LWLG or PSI?

LWLG has higher volatility (32.59%) compared to PSI (21.88%). In terms of maximum drawdown, LWLG dropped -95.76% vs PSI's -62.96%.

Which has better risk-adjusted returns?

PSI currently has the higher Sharpe Ratio (4.43 vs 4.41), 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.