RAPT vs. BELFB

Last updated Jun 3, 2026

RAPT (RAPT Therapeutics, Inc.) and BELFB (Bel Fuse Inc.) are both stocks. RAPT operates in Biotechnology (Healthcare), while BELFB operates in Electronic Components (Technology). At a 0.19 correlation, their price movements are largely independent.

Performance

RAPT vs. BELFB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in RAPT Therapeutics, Inc. (RAPT) and Bel Fuse Inc. (BELFB). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

RAPT

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

BELFB

• 1D: 4.04%
• 1M: -2.30%
• YTD: 65.23%
• 6M: 75.46%
• 1Y: 283.18%
• 3Y*: 75.24%
• 5Y*: 81.90%
• 10Y*: 33.14%

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

RAPT vs. BELFB - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
RAPT RAPT Therapeutics, Inc.	71.30%	167.96%	-93.64%	25.51%	-46.09%	85.97%	-28.47%	112.38%
BELFB Bel Fuse Inc.	65.23%	106.32%	24.03%	104.19%	158.73%	-12.33%	-24.84%	39.36%

Correlation

The correlation between RAPT and BELFB is 0.07, 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	0.07
Correlation (3Y) Calculated over the trailing 3-year period	0.20
Correlation (5Y) Calculated over the trailing 5-year period	0.22
Correlation (All Time) Calculated using the full available price history since Nov 1, 2019	0.19

The correlation between RAPT and BELFB shifts across timeframes, from 0.07 (1 year) to 0.22 (5 years), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap RAPT : $1.56B BELFB : $592.39M
EPS RAPT : -$3.92 BELFB : $7.60
PB Ratio RAPT : 10.29 BELFB : 0.62
Total Revenue (TTM) RAPT : $0.00 BELFB : $701.71M
Gross Profit (TTM) RAPT : -$200.00K BELFB : $275.20M
EBITDA (TTM) RAPT : -$108.01M BELFB : $135.78M

Return for Risk

RAPT vs. BELFB — Risk / Return Rank

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

BELFB

BELFB Risk / Return Rank: 98
BELFB Sharpe Ratio Rank: 99
BELFB Sortino Ratio Rank: 97
BELFB Omega Ratio Rank: 97
BELFB Calmar Ratio Rank: 99
BELFB Martin Ratio Rank: 99

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.

RAPT vs. BELFB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for RAPT Therapeutics, Inc. (RAPT) and Bel Fuse Inc. (BELFB). 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	RAPT	BELFB	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	5.94	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	1.60	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.57	—
Sharpe Ratio (All Time) Calculated using the full available price history	—	0.26	—

Drawdowns

Drawdown Indicators

	RAPT	BELFB	Difference
Max Drawdown Largest peak-to-trough decline	—	-81.89%	—
Max Drawdown (1Y) Largest decline over 1 year	—	-19.54%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-36.49%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-36.49%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-79.79%	—
Current Drawdown Current decline from peak	—	-7.48%	—
Average Drawdown Average peak-to-trough decline	—	-36.89%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	6.57%	—

Volatility

Volatility by Period

	RAPT	BELFB	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	16.00%	—
Volatility (6M) Calculated over the trailing 6-month period	—	35.22%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	48.03%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	51.48%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	58.32%	—

Dividends

RAPT vs. BELFB - Dividend Comparison

RAPT has not paid dividends to shareholders, while BELFB's dividend yield for the trailing twelve months is around 0.10%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BELFB Bel Fuse Inc.	0.10%	0.17%	0.34%	0.42%	0.85%	2.17%	1.86%	1.37%	1.52%	1.11%	0.91%	1.62%
RAPT RAPT Therapeutics, 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%

Financials

Frequently Asked Questions

Can I hold both RAPT and BELFB in my portfolio?

RAPT and BELFB 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.