ZVRA vs. AYA.TO

Last updated Jun 13, 2026

ZVRA (Zevra Therapeutics Inc.) and AYA.TO (Aya Gold & Silver Inc.) are both stocks. ZVRA operates in Biotechnology (Healthcare), while AYA.TO operates in Other Precious Metals & Mining (Basic Materials). Over the past 10 years, ZVRA returned -16.40%/yr vs 45.59%/yr for AYA.TO. At a 0.05 correlation, their price movements are largely independent.

Performance

ZVRA vs. AYA.TO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Zevra Therapeutics Inc. (ZVRA) and Aya Gold & Silver Inc. (AYA.TO). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

ZVRA is traded in USD, while AYA.TO is traded in CAD. To make them comparable, the AYA.TO values have been converted to USD using the latest available exchange rates.

Returns By Period

In the year-to-date period, ZVRA achieves a 41.18% return, which is significantly higher than AYA.TO's 30.26% return. Over the past 10 years, ZVRA has underperformed AYA.TO with an annualized return of -16.40%, while AYA.TO has yielded a comparatively higher 45.59% annualized return.

ZVRA

• 1D: -2.47%
• 1M: 13.76%
• YTD: 41.18%
• 6M: 51.86%
• 1Y: 35.01%
• 3Y*: 29.54%
• 5Y*: -2.85%
• 10Y*: -16.40%

AYA.TO

• 1D: 7.18%
• 1M: -12.73%
• YTD: 30.26%
• 6M: 22.72%
• 1Y: 94.00%
• 3Y*: 40.51%
• 5Y*: 22.08%
• 10Y*: 45.59%

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

ZVRA vs. AYA.TO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ZVRA Zevra Therapeutics Inc.	41.18%	7.43%	27.33%	42.70%	-47.30%	-22.23%	84.70%	-78.71%	-56.05%	37.29%
AYA.TO Aya Gold & Silver Inc.	30.26%	91.62%	1.97%	10.27%	-11.18%	148.17%	102.23%	6.48%	7.43%	214.13%

Correlation

The correlation between ZVRA and AYA.TO is 0.08, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.08
Correlation (3Y) Calculated over the trailing 3-year period	0.08
Correlation (5Y) Calculated over the trailing 5-year period	0.05
Correlation (10Y) Calculated over the trailing 10-year period	0.05
Correlation (All Time) Calculated using the full available price history since Apr 16, 2015	0.05

Fundamentals

Market Cap ZVRA : $761.92M AYA.TO : CA$3.88B
EPS ZVRA : $2.16 AYA.TO : $0.60
PE Ratio ZVRA : 5.85 AYA.TO : 31.07
PS Ratio ZVRA : 5.94 AYA.TO : 9.44
PB Ratio ZVRA : 3.70 AYA.TO : 6.06
Total Revenue (TTM) ZVRA : $122.29M AYA.TO : $283.62M
Gross Profit (TTM) ZVRA : $104.94M AYA.TO : $155.19M
EBITDA (TTM) ZVRA : $149.15M AYA.TO : $167.72M

Return for Risk

ZVRA vs. AYA.TO — Risk / Return Rank

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

ZVRA

ZVRA Risk / Return Rank: 60
ZVRA Sharpe Ratio Rank: 61
ZVRA Sortino Ratio Rank: 62
ZVRA Omega Ratio Rank: 61
ZVRA Calmar Ratio Rank: 60
ZVRA Martin Ratio Rank: 57

AYA.TO

AYA.TO Risk / Return Rank: 78
AYA.TO Sharpe Ratio Rank: 79
AYA.TO Sortino Ratio Rank: 75
AYA.TO Omega Ratio Rank: 73
AYA.TO Calmar Ratio Rank: 80
AYA.TO Martin Ratio Rank: 81

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.

ZVRA vs. AYA.TO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Zevra Therapeutics Inc. (ZVRA) and Aya Gold & Silver Inc. (AYA.TO). 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.

	ZVRA	AYA.TO	Difference
Sharpe ratio: Return per unit of total volatility	0.56	1.21	-0.65
Sortino ratio: Return per unit of downside risk	1.27	1.81	-0.54
Omega ratio: Gain probability vs. loss probability	1.16	1.23	-0.07
Calmar ratio: Return relative to maximum drawdown	0.81	2.27	-1.46
Martin ratio: Return relative to average drawdown	1.41	6.06	-4.64

ZVRA vs. AYA.TO - Sharpe Ratio Comparison

The current ZVRA Sharpe Ratio is 0.56, which is lower than the AYA.TO Sharpe Ratio of 1.21. The chart below compares the historical Sharpe Ratios of ZVRA and AYA.TO, 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

ZVRA vs. AYA.TO - Drawdown Comparison

The maximum ZVRA drawdown since its inception was -99.27%, which is greater than AYA.TO's maximum drawdown of -87.28%. Use the drawdown chart below to compare losses from any high point for ZVRA and AYA.TO.

Drawdown Indicators

	ZVRA	AYA.TO	Difference
Max Drawdown Largest peak-to-trough decline	-99.27%	-87.28%	-11.99%
Max Drawdown (1Y) Largest decline over 1 year	-43.47%	-41.64%	-1.83%
Max Drawdown (3Y) Largest decline over 3 years	-43.47%	-55.59%	+12.12%
Max Drawdown (5Y) Largest decline over 5 years	-74.01%	-56.77%	-17.24%
Max Drawdown (10Y) Largest decline over 10 years	-97.85%	-74.18%	-23.67%
Current Drawdown Current decline from peak	-96.65%	-13.48%	-83.17%
Average Drawdown Average peak-to-trough decline	-86.41%	-40.11%	-46.30%
Ulcer Index Depth and duration of drawdowns from previous peaks	24.87%	15.57%	+9.30%

Volatility

ZVRA vs. AYA.TO - Volatility Comparison

The current volatility for Zevra Therapeutics Inc. (ZVRA) is 24.56%, while Aya Gold & Silver Inc. (AYA.TO) has a volatility of 30.52%. This indicates that ZVRA experiences smaller price fluctuations and is considered to be less risky than AYA.TO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ZVRA	AYA.TO	Difference
Volatility (1M) Calculated over the trailing 1-month period	24.56%	30.52%	-5.96%
Volatility (6M) Calculated over the trailing 6-month period	40.23%	58.49%	-18.26%
Volatility (1Y) Calculated over the trailing 1-year period	62.90%	78.41%	-15.51%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	60.49%	67.96%	-7.47%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	81.46%	78.18%	+3.28%

Dividends

ZVRA vs. AYA.TO - Dividend Comparison

Neither ZVRA nor AYA.TO has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

Frequently Asked Questions

Can I hold both ZVRA and AYA.TO in my portfolio?

ZVRA and AYA.TO have a correlation of 0.08, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.