PRME vs. CRBP

Last updated Jun 23, 2026

PRME (Prime Medicine Inc. Common Stock) and CRBP (Corbus Pharmaceuticals Holdings, Inc.) are both stocks. Both operate in the Biotechnology industry within the Healthcare sector. Over the past 3 years, PRME returned -39.21%/yr vs -1.85%/yr for CRBP. At a 0.22 correlation, their price movements are largely independent.

Performance

PRME vs. CRBP - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Prime Medicine Inc. Common Stock (PRME) and Corbus Pharmaceuticals Holdings, Inc. (CRBP). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PRME achieves a -2.88% return, which is significantly lower than CRBP's 2.09% return.

PRME

• 1D: 4.33%
• 1M: 13.47%
• YTD: -2.88%
• 6M: -8.92%
• 1Y: 62.80%
• 3Y*: -39.21%
• 5Y*: —
• 10Y*: —

CRBP

• 1D: 0.61%
• 1M: -26.78%
• YTD: 2.09%
• 6M: -0.36%
• 1Y: 0.85%
• 3Y*: -1.85%
• 5Y*: -32.59%
• 10Y*: -21.17%

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

PRME vs. CRBP - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
PRME Prime Medicine Inc. Common Stock	-2.88%	18.84%	-67.04%	-52.31%	-2.06%
CRBP Corbus Pharmaceuticals Holdings, Inc.	2.09%	-31.02%	95.36%	82.20%	-1.34%

Correlation

The correlation between PRME and CRBP is 0.21, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.21
Correlation (3Y) Calculated over the trailing 3-year period	0.26
Correlation (All Time) Calculated using the full available price history since Oct 20, 2022	0.22

Fundamentals

Market Cap PRME : $596.81M CRBP : $155.45M
EPS PRME : -$1.29 CRBP : -$5.98
PB Ratio PRME : 7.78 CRBP : 1.23
Total Revenue (TTM) PRME : $3.18M CRBP : $0.00
Gross Profit (TTM) PRME : -$4.14M CRBP : -$149.00K
EBITDA (TTM) PRME : -$195.72M CRBP : -$61.36M

Return for Risk

PRME vs. CRBP — Risk / Return Rank

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

PRME

PRME Risk / Return Rank: 64
PRME Sharpe Ratio Rank: 63
PRME Sortino Ratio Rank: 69
PRME Omega Ratio Rank: 63
PRME Calmar Ratio Rank: 64
PRME Martin Ratio Rank: 59

CRBP

CRBP Risk / Return Rank: 44
CRBP Sharpe Ratio Rank: 43
CRBP Sortino Ratio Rank: 46
CRBP Omega Ratio Rank: 47
CRBP Calmar Ratio Rank: 42
CRBP Martin Ratio Rank: 42

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.

PRME vs. CRBP - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Prime Medicine Inc. Common Stock (PRME) and Corbus Pharmaceuticals Holdings, Inc. (CRBP). 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.

	PRME	CRBP	Difference
Sharpe ratio: Return per unit of total volatility	0.66	0.01	+0.65
Sortino ratio: Return per unit of downside risk	1.64	0.61	+1.03
Omega ratio: Gain probability vs. loss probability	1.17	1.09	+0.08
Calmar ratio: Return relative to maximum drawdown	1.06	0.01	+1.05
Martin ratio: Return relative to average drawdown	1.66	0.02	+1.64

PRME vs. CRBP - Sharpe Ratio Comparison

The current PRME Sharpe Ratio is 0.66, which is higher than the CRBP Sharpe Ratio of 0.01. The chart below compares the historical Sharpe Ratios of PRME and CRBP, 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

PRME vs. CRBP - Drawdown Comparison

The maximum PRME drawdown since its inception was -94.55%, roughly equal to the maximum CRBP drawdown of -99.31%. Use the drawdown chart below to compare losses from any high point for PRME and CRBP.

Drawdown Indicators

	PRME	CRBP	Difference
Max Drawdown Largest peak-to-trough decline	-94.55%	-99.31%	+4.76%
Max Drawdown (1Y) Largest decline over 1 year	-59.52%	-61.88%	+2.36%
Max Drawdown (3Y) Largest decline over 3 years	-92.37%	-92.01%	-0.36%
Max Drawdown (5Y) Largest decline over 5 years	—	-96.55%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-99.31%	—
Current Drawdown Current decline from peak	-84.04%	-97.32%	+13.28%
Average Drawdown Average peak-to-trough decline	-65.61%	-66.11%	+0.50%
Ulcer Index Depth and duration of drawdowns from previous peaks	38.02%	41.86%	-3.84%

Volatility

PRME vs. CRBP - Volatility Comparison

The current volatility for Prime Medicine Inc. Common Stock (PRME) is 26.45%, while Corbus Pharmaceuticals Holdings, Inc. (CRBP) has a volatility of 43.31%. This indicates that PRME experiences smaller price fluctuations and is considered to be less risky than CRBP based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PRME	CRBP	Difference
Volatility (1M) Calculated over the trailing 1-month period	26.45%	43.31%	-16.86%
Volatility (6M) Calculated over the trailing 6-month period	53.90%	60.26%	-6.36%
Volatility (1Y) Calculated over the trailing 1-year period	96.08%	81.71%	+14.37%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	90.38%	159.23%	-68.85%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	90.38%	129.12%	-38.74%

Dividends

PRME vs. CRBP - Dividend Comparison

Neither PRME nor CRBP has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

Frequently Asked Questions

Can I hold both PRME and CRBP in my portfolio?

PRME and CRBP have a correlation of 0.21, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PRME or CRBP?

CRBP has higher volatility (43.31%) compared to PRME (26.45%). In terms of maximum drawdown, PRME dropped -94.55% vs CRBP's -99.31%.

Which has better risk-adjusted returns?

PRME currently has the higher Sharpe Ratio (0.66 vs 0.01), 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.