RAPT vs. BELFB

Last updated Apr 1, 2026

Compare and contrast key facts about RAPT Therapeutics, Inc. (RAPT) and Bel Fuse Inc. (BELFB).

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.

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.	16.76%	106.32%	24.03%	104.19%	158.73%	-12.33%	-24.84%	39.36%

Fundamentals

Market Cap RAPT : $1.56B BELFB : $418.73M
EPS RAPT : -$3.92 BELFB : $6.88
PB Ratio RAPT : 10.29 BELFB : 0.45
Total Revenue (TTM) RAPT : $0.00 BELFB : $675.46M
Gross Profit (TTM) RAPT : -$200.00K BELFB : $264.42M
EBITDA (TTM) RAPT : -$108.01M BELFB : $142.97M

Returns By Period

In the year-to-date period, RAPT achieves a 71.30% return, which is significantly higher than BELFB's 16.76% return.

RAPT

• 1D: 0.00%
• 1M: 0.07%
• YTD: 71.30%
• 6M: 124.97%
• 1Y: 494.47%
• 3Y*: -38.25%
• 5Y*: -15.58%
• 10Y*: —

BELFB

• 1D: 0.08%
• 1M: -13.81%
• YTD: 16.76%
• 6M: 40.51%
• 1Y: 165.14%
• 3Y*: 74.71%
• 5Y*: 59.14%
• 10Y*: 31.01%

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

Return for Risk

RAPT vs. BELFB — Risk / Return Rank

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

RAPT

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

BELFB

BELFB Risk / Return Rank: 96
BELFB Sharpe Ratio Rank: 97
BELFB Sortino Ratio Rank: 94
BELFB Omega Ratio Rank: 94
BELFB Calmar Ratio Rank: 98
BELFB Martin Ratio Rank: 98

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.

	RAPT	BELFB	Difference
Sharpe ratio Return per unit of total volatility	4.73	3.25	+1.47
Sortino ratio Return per unit of downside risk	4.47	3.36	+1.10
Omega ratio Gain probability vs. loss probability	1.59	1.46	+0.13
Calmar ratio Return relative to maximum drawdown	11.35	8.40	+2.95
Martin ratio Return relative to average drawdown	25.83	24.43	+1.39
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RAPT vs. BELFB - Sharpe Ratio Comparison

The current RAPT Sharpe Ratio is 4.73, which is higher than the BELFB Sharpe Ratio of 3.25. The chart below compares the historical Sharpe Ratios of RAPT and BELFB, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	RAPT	BELFB	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	4.73	3.25	+1.47
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.13	1.13	-1.26
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.54	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.07	0.23	-0.30

Correlation

The correlation between RAPT and BELFB is 0.20, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

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 0.14%.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
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%
BELFB Bel Fuse Inc.	0.14%	0.17%	0.34%	0.42%	0.85%	2.17%	1.86%	1.37%	1.52%	1.11%	0.91%	1.62%

Drawdowns

RAPT vs. BELFB - Drawdown Comparison

The maximum RAPT drawdown since its inception was -98.47%, which is greater than BELFB's maximum drawdown of -81.89%. Use the drawdown chart below to compare losses from any high point for RAPT and BELFB.

Drawdown Indicators

	RAPT	BELFB	Difference
Max Drawdown Largest peak-to-trough decline	-98.47%	-81.89%	-16.58%
Max Drawdown (1Y) Largest decline over 1 year	-36.08%	-19.94%	-16.14%
Max Drawdown (5Y) Largest decline over 5 years	-98.14%	-44.50%	-53.64%
Max Drawdown (10Y) Largest decline over 10 years	—	-79.79%	—
Current Drawdown Current decline from peak	-85.16%	-16.95%	-68.21%
Average Drawdown Average peak-to-trough decline	-63.85%	-37.08%	-26.77%
Ulcer Index Depth and duration of drawdowns from previous peaks	22.87%	6.86%	+16.01%

Volatility

RAPT vs. BELFB - Volatility Comparison

The current volatility for RAPT Therapeutics, Inc. (RAPT) is 0.51%, while Bel Fuse Inc. (BELFB) has a volatility of 16.73%. This indicates that RAPT experiences smaller price fluctuations and is considered to be less risky than BELFB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RAPT	BELFB	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.51%	16.73%	-16.22%
Volatility (6M) Calculated over the trailing 6-month period	69.27%	33.33%	+35.94%
Volatility (1Y) Calculated over the trailing 1-year period	119.45%	51.09%	+68.36%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	123.30%	52.48%	+70.82%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	124.92%	58.11%	+66.81%

Financials