ERNA vs. GRDX

Last updated Aug 1, 2026

ERNA (Eterna Therapeutics Inc) and GRDX (GridAI Technologies Corp) are both stocks. Both operate in the Biotechnology industry within the Healthcare sector. Over the past 5 years, ERNA returned -86.94%/yr vs -86.66%/yr for GRDX. Their 0.11 correlation means their historical movements had little consistent relationship.

Performance

ERNA vs. GRDX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Eterna Therapeutics Inc (ERNA) and GridAI Technologies Corp (GRDX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ERNA achieves a -89.07% return, which is significantly lower than GRDX's -37.77% return.

ERNA

• 1D: -5.48%
• 1M: -47.69%
• 6M: -89.25%
• YTD: -89.07%
• 1Y: -91.59%
• 3Y*: -85.19%
• 5Y*: -86.94%
• 10Y*: -64.30%
• ALL TIME*: -33.20%

GRDX

• 1D: -4.92%
• 1M: -34.09%
• 6M: -7.35%
• YTD: -37.77%
• 1Y: 129.94%
• 3Y*: -54.67%
• 5Y*: -86.66%
• 10Y*: —
• ALL TIME*: -71.49%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
ERNA Eterna Therapeutics Inc	$350.09K	$8.77M	$15.38M
GRDX GridAI Technologies Corp	$224.19K	$219.18K	$480.69K

ERNA vs. GRDX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ERNA Eterna Therapeutics Inc	-89.07%	-72.79%	-83.62%	-44.25%	-96.14%	-6.92%	1.82%	12.82%	-53.68%	-50.47%
GRDX GridAI Technologies Corp	-37.77%	149.73%	-85.19%	-96.57%	-97.98%	-85.10%	-6.73%	-14.05%	-66.73%	-23.27%

Correlation

The correlation between ERNA and GRDX is 0.07, meaning there was essentially no consistent relationship between their historical price movements. Each responded to its own set of market drivers.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.07
Correlation (3Y) Balances recent behavior with more history.	0.09
Correlation (5Y) Shows whether the relationship held over a longer period.	0.16
Correlation (All Time) Calculated using the full available price history since Oct 11, 2016	0.11

Fundamentals

Market Cap ERNA : $1.03M GRDX : $9.75M
EPS ERNA : -$23.80 GRDX : -$4.01
PB Ratio ERNA : 0.38 GRDX : 0.22
Total Revenue (TTM) ERNA : $0.00 GRDX : $36.25K
Gross Profit (TTM) ERNA : -$69.00K GRDX : $0.00
EBITDA (TTM) ERNA : -$11.25M GRDX : -$7.19M

Return for Risk

ERNA vs. GRDX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

ERNA

ERNA Risk / Return Rank: 8
ERNA Sharpe Ratio Rank: 17
ERNA Sortino Ratio Rank: 6
ERNA Omega Ratio Rank: 8
ERNA Calmar Ratio Rank: 2
ERNA Martin Ratio Rank: 6

GRDX

GRDX Risk / Return Rank: 76
GRDX Sharpe Ratio Rank: 71
GRDX Sortino Ratio Rank: 83
GRDX Omega Ratio Rank: 77
GRDX Calmar Ratio Rank: 78
GRDX Martin Ratio Rank: 71

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

ERNA vs. GRDX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Eterna Therapeutics Inc (ERNA) and GridAI Technologies Corp (GRDX). 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.

	ERNA	GRDX	Difference
Sharpe ratio: Return per unit of total volatility	-0.60	0.79	-1.39
Sortino ratio: Return per unit of downside risk	-1.53	2.26	-3.79
Omega ratio: Gain probability vs. loss probability	0.82	1.24	-0.42
Calmar ratio: Return relative to maximum drawdown	-0.99	1.87	-2.86
Martin ratio: Return relative to average drawdown	-1.47	2.96	-4.44

ERNA vs. GRDX - Sharpe Ratio Comparison

The current ERNA Sharpe Ratio is -0.60, which is lower than the GRDX Sharpe Ratio of 0.79. The chart below compares the historical Sharpe Ratios of ERNA and GRDX, 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

ERNA vs. GRDX - Drawdown Comparison

The maximum ERNA drawdown since its inception was -100.00%, roughly equal to the maximum GRDX drawdown of -100.00%. Use the drawdown chart below to compare losses from any high point for ERNA and GRDX.

Drawdown Indicators

	ERNA	GRDX	Difference
Max Drawdown Largest peak-to-trough decline	-100.00%	-100.00%	0.00%
Max Drawdown (1Y) Largest decline over 1 year	-93.02%	-64.39%	-28.63%
Max Drawdown (3Y) Largest decline over 3 years	-99.70%	-97.71%	-1.99%
Max Drawdown (5Y) Largest decline over 5 years	-100.00%	-100.00%	0.00%
Max Drawdown (10Y) Largest decline over 10 years	-100.00%	—	—
Current Drawdown Current decline from peak	-100.00%	-100.00%	0.00%
Average Drawdown Average peak-to-trough decline	-86.20%	-80.11%	-6.09%
Ulcer Index Depth and duration of drawdowns from previous peaks	62.71%	40.56%	+22.15%

Volatility

ERNA vs. GRDX - Volatility Comparison

Eterna Therapeutics Inc (ERNA) and GridAI Technologies Corp (GRDX) have volatilities of 35.09% and 36.03%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ERNA	GRDX	Difference
Volatility (1M) Calculated over the trailing 1-month period	35.09%	36.03%	-0.94%
Volatility (6M) Calculated over the trailing 6-month period	132.84%	84.48%	+48.36%
Volatility (1Y) Calculated over the trailing 1-year period	154.51%	151.76%	+2.75%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	114.04%	141.01%	-26.97%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	149.29%	118.57%	+30.72%

Dividends

ERNA vs. GRDX - Dividend Comparison

Neither ERNA nor GRDX has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

Frequently Asked Questions

Can I hold both ERNA and GRDX in my portfolio?

ERNA and GRDX have a correlation of 0.07, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ERNA or GRDX?

GRDX has higher volatility (36.03%) compared to ERNA (35.09%). In terms of maximum drawdown, ERNA dropped -100.00% vs GRDX's -100.00%.

Which has better risk-adjusted returns?

GRDX currently has the higher Sharpe Ratio (0.79 vs -0.60), 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.