RXST vs. IDYA

Last updated Jun 3, 2026

RXST (RxSight, Inc.) and IDYA (IDEAYA Biosciences, Inc.) are both stocks. Both are in the Healthcare sector — RXST in Medical Devices, IDYA in Biotechnology. Over the past 3 years, RXST returned -42.53%/yr vs 3.87%/yr for IDYA. At a 0.30 correlation, their price movements are largely independent.

Performance

RXST vs. IDYA - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in RxSight, Inc. (RXST) and IDEAYA Biosciences, Inc. (IDYA). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RXST achieves a -52.59% return, which is significantly lower than IDYA's -19.38% return.

RXST

• 1D: -5.73%
• 1M: -33.24%
• YTD: -52.59%
• 6M: -57.99%
• 1Y: -68.19%
• 3Y*: -42.53%
• 5Y*: —
• 10Y*: —

IDYA

• 1D: -3.70%
• 1M: -1.14%
• YTD: -19.38%
• 6M: -17.28%
• 1Y: 31.34%
• 3Y*: 3.87%
• 5Y*: 6.44%
• 10Y*: —

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

RXST vs. IDYA - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
RXST RxSight, Inc.	-52.59%	-69.69%	-14.73%	218.23%	12.62%	-29.69%
IDYA IDEAYA Biosciences, Inc.	-19.38%	34.51%	-27.77%	95.82%	-23.14%	-3.51%

Correlation

The correlation between RXST and IDYA is 0.28, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.28
Correlation (3Y) Calculated over the trailing 3-year period	0.32
Correlation (All Time) Calculated using the full available price history since Aug 2, 2021	0.30

Fundamentals

Market Cap RXST : $204.05M IDYA : $2.47B
EPS RXST : -$1.14 IDYA : -$1.58
PS Ratio RXST : 1.59 IDYA : 10.99
PB Ratio RXST : 0.76 IDYA : 2.64
Total Revenue (TTM) RXST : $127.48M IDYA : $225.27M
Gross Profit (TTM) RXST : $98.18M IDYA : $215.25M
EBITDA (TTM) RXST : -$50.09M IDYA : -$157.90M

Return for Risk

RXST vs. IDYA — Risk / Return Rank

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

RXST

RXST Risk / Return Rank: 5
RXST Sharpe Ratio Rank: 6
RXST Sortino Ratio Rank: 6
RXST Omega Ratio Rank: 6
RXST Calmar Ratio Rank: 2
RXST Martin Ratio Rank: 5

IDYA

IDYA Risk / Return Rank: 63
IDYA Sharpe Ratio Rank: 63
IDYA Sortino Ratio Rank: 59
IDYA Omega Ratio Rank: 57
IDYA Calmar Ratio Rank: 68
IDYA Martin Ratio Rank: 68

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.

RXST vs. IDYA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for RxSight, Inc. (RXST) and IDEAYA Biosciences, Inc. (IDYA). 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.

	RXST	IDYA	Difference
Sharpe ratio Return per unit of total volatility	-0.93	0.69	-1.62
Sortino ratio Return per unit of downside risk	-1.46	1.27	-2.73
Omega ratio Gain probability vs. loss probability	0.81	1.15	-0.34
Calmar ratio Return relative to maximum drawdown	-0.98	1.52	-2.51
Martin ratio Return relative to average drawdown	-1.49	3.57	-5.07
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RXST vs. IDYA - Sharpe Ratio Comparison

The current RXST Sharpe Ratio is -0.93, which is lower than the IDYA Sharpe Ratio of 0.69. The chart below compares the historical Sharpe Ratios of RXST and IDYA, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	RXST	IDYA	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.93	0.69	-1.62
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.11	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.31	0.19	-0.50

Drawdowns

RXST vs. IDYA - Drawdown Comparison

The maximum RXST drawdown since its inception was -92.32%, which is greater than IDYA's maximum drawdown of -74.64%. Use the drawdown chart below to compare losses from any high point for RXST and IDYA.

Drawdown Indicators

	RXST	IDYA	Difference
Max Drawdown Largest peak-to-trough decline	-92.32%	-74.64%	-17.68%
Max Drawdown (1Y) Largest decline over 1 year	-68.75%	-26.39%	-42.36%
Max Drawdown (3Y) Largest decline over 3 years	-92.32%	-69.23%	-23.09%
Max Drawdown (5Y) Largest decline over 5 years	—	-69.42%	—
Current Drawdown Current decline from peak	-92.32%	-40.87%	-51.45%
Average Drawdown Average peak-to-trough decline	-36.57%	-30.95%	-5.62%
Ulcer Index Depth and duration of drawdowns from previous peaks	45.29%	11.23%	+34.06%

Volatility

RXST vs. IDYA - Volatility Comparison

RxSight, Inc. (RXST) has a higher volatility of 20.76% compared to IDEAYA Biosciences, Inc. (IDYA) at 8.22%. This indicates that RXST's price experiences larger fluctuations and is considered to be riskier than IDYA based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RXST	IDYA	Difference
Volatility (1M) Calculated over the trailing 1-month period	20.76%	8.22%	+12.54%
Volatility (6M) Calculated over the trailing 6-month period	44.14%	30.77%	+13.37%
Volatility (1Y) Calculated over the trailing 1-year period	73.67%	46.05%	+27.62%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	69.13%	58.97%	+10.16%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	69.13%	73.86%	-4.73%

Dividends

RXST vs. IDYA - Dividend Comparison

Neither RXST nor IDYA has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

Frequently Asked Questions

Can I hold both RXST and IDYA in my portfolio?

RXST and IDYA have a correlation of 0.28, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RXST or IDYA?

RXST has higher volatility (20.76%) compared to IDYA (8.22%). In terms of maximum drawdown, RXST dropped -92.32% vs IDYA's -74.64%.

Which has better risk-adjusted returns?

IDYA currently has the higher Sharpe Ratio (0.69 vs -0.93), 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.