BOSC vs. ESP

Last updated Jun 3, 2026

BOSC (B.O.S. Better Online Solutions Ltd.) and ESP (Espey Mfg. & Electronics Corp.) are both stocks. BOSC operates in Communication Equipment (Technology), while ESP operates in Electrical Equipment & Parts (Industrials). Over the past 10 years, BOSC returned 1.64%/yr vs 12.34%/yr for ESP. At a 0.03 correlation, their price movements are largely independent.

Performance

BOSC vs. ESP - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in B.O.S. Better Online Solutions Ltd. (BOSC) and Espey Mfg. & Electronics Corp. (ESP). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BOSC achieves a -6.58% return, which is significantly lower than ESP's 23.29% return. Over the past 10 years, BOSC has underperformed ESP with an annualized return of 1.64%, while ESP has yielded a comparatively higher 12.34% annualized return.

BOSC

• 1D: 3.65%
• 1M: -8.97%
• YTD: -6.58%
• 6M: -3.07%
• 1Y: -9.75%
• 3Y*: 10.94%
• 5Y*: 3.37%
• 10Y*: 1.64%

ESP

• 1D: 0.42%
• 1M: -18.52%
• YTD: 23.29%
• 6M: 49.27%
• 1Y: 63.67%
• 3Y*: 56.43%
• 5Y*: 34.13%
• 10Y*: 12.34%

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

BOSC vs. ESP - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BOSC B.O.S. Better Online Solutions Ltd.	-6.58%	38.18%	25.00%	26.44%	-28.86%	29.30%	14.07%	-8.29%	-0.91%	3.30%
ESP Espey Mfg. & Electronics Corp.	23.29%	63.34%	66.83%	35.47%	-0.07%	-24.87%	-7.86%	-9.61%	11.35%	-3.99%

Correlation

The correlation between BOSC and ESP is 0.03, 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	0.03
Correlation (3Y) Calculated over the trailing 3-year period	0.06
Correlation (5Y) Calculated over the trailing 5-year period	0.07
Correlation (10Y) Calculated over the trailing 10-year period	0.06
Correlation (All Time) Calculated using the full available price history since Apr 3, 1996	0.03

Fundamentals

EPS BOSC : $0.83 ESP : $3.79
PE Ratio BOSC : 5.15 ESP : 15.27
PEG Ratio BOSC : 0.07 ESP : 0.21
PS Ratio BOSC : 0.37 ESP : 3.89
Total Revenue (TTM) BOSC : $50.57M ESP : $42.25M
Gross Profit (TTM) BOSC : $12.08M ESP : $15.43M
EBITDA (TTM) BOSC : $4.65M ESP : $11.61M

Return for Risk

BOSC vs. ESP — Risk / Return Rank

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

BOSC

BOSC Risk / Return Rank: 32
BOSC Sharpe Ratio Rank: 31
BOSC Sortino Ratio Rank: 29
BOSC Omega Ratio Rank: 29
BOSC Calmar Ratio Rank: 35
BOSC Martin Ratio Rank: 36

ESP

ESP Risk / Return Rank: 73
ESP Sharpe Ratio Rank: 76
ESP Sortino Ratio Rank: 69
ESP Omega Ratio Rank: 69
ESP Calmar Ratio Rank: 76
ESP Martin Ratio Rank: 73

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.

BOSC vs. ESP - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for B.O.S. Better Online Solutions Ltd. (BOSC) and Espey Mfg. & Electronics Corp. (ESP). 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.

	BOSC	ESP	Difference
Sharpe ratio Return per unit of total volatility	-0.22	1.23	-1.45
Sortino ratio Return per unit of downside risk	-0.01	1.72	-1.73
Omega ratio Gain probability vs. loss probability	1.00	1.23	-0.23
Calmar ratio Return relative to maximum drawdown	-0.15	2.21	-2.36
Martin ratio Return relative to average drawdown	-0.26	4.55	-4.81
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BOSC vs. ESP - Sharpe Ratio Comparison

The current BOSC Sharpe Ratio is -0.22, which is lower than the ESP Sharpe Ratio of 1.23. The chart below compares the historical Sharpe Ratios of BOSC and ESP, 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

	BOSC	ESP	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.22	1.23	-1.45
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.07	0.80	-0.73
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.03	0.33	-0.29
Sharpe Ratio (All Time) Calculated using the full available price history	-0.14	0.36	-0.50

Drawdowns

BOSC vs. ESP - Drawdown Comparison

The maximum BOSC drawdown since its inception was -99.90%, which is greater than ESP's maximum drawdown of -54.43%. Use the drawdown chart below to compare losses from any high point for BOSC and ESP.

Drawdown Indicators

	BOSC	ESP	Difference
Max Drawdown Largest peak-to-trough decline	-99.90%	-54.43%	-45.47%
Max Drawdown (1Y) Largest decline over 1 year	-37.73%	-29.09%	-8.64%
Max Drawdown (3Y) Largest decline over 3 years	-39.13%	-29.09%	-10.04%
Max Drawdown (5Y) Largest decline over 5 years	-59.35%	-33.59%	-25.76%
Max Drawdown (10Y) Largest decline over 10 years	-64.34%	-54.43%	-9.91%
Current Drawdown Current decline from peak	-99.70%	-19.90%	-79.80%
Average Drawdown Average peak-to-trough decline	-89.50%	-15.01%	-74.49%
Ulcer Index Depth and duration of drawdowns from previous peaks	21.95%	14.14%	+7.81%

Volatility

BOSC vs. ESP - Volatility Comparison

B.O.S. Better Online Solutions Ltd. (BOSC) and Espey Mfg. & Electronics Corp. (ESP) have volatilities of 14.77% and 15.03%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BOSC	ESP	Difference
Volatility (1M) Calculated over the trailing 1-month period	14.77%	15.03%	-0.26%
Volatility (6M) Calculated over the trailing 6-month period	30.09%	37.98%	-7.89%
Volatility (1Y) Calculated over the trailing 1-year period	44.75%	51.90%	-7.15%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	48.22%	42.82%	+5.40%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	52.26%	38.00%	+14.26%

Dividends

BOSC vs. ESP - Dividend Comparison

BOSC has not paid dividends to shareholders, while ESP's dividend yield for the trailing twelve months is around 3.03%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BOSC B.O.S. Better Online Solutions Ltd.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
ESP Espey Mfg. & Electronics Corp.	3.03%	3.71%	2.90%	2.67%	0.00%	0.00%	5.29%	4.63%	8.03%	4.17%	3.84%	3.88%

Financials

BOSC vs. ESP - Profitability Comparison

The chart below illustrates the profitability comparison between B.O.S. Better Online Solutions Ltd. and Espey Mfg. & Electronics Corp. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

BOSC - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, B.O.S. Better Online Solutions Ltd. reported a gross profit of 3.02M and revenue of 12.62M. Therefore, the gross margin over that period was 23.9%.

ESP - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Espey Mfg. & Electronics Corp. reported a gross profit of 4.23M and revenue of 11.42M. Therefore, the gross margin over that period was 37.0%.

BOSC - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, B.O.S. Better Online Solutions Ltd. reported an operating income of 812.00K and revenue of 12.62M, resulting in an operating margin of 6.4%.

ESP - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Espey Mfg. & Electronics Corp. reported an operating income of 2.98M and revenue of 11.42M, resulting in an operating margin of 26.1%.

BOSC - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, B.O.S. Better Online Solutions Ltd. reported a net income of 819.00K and revenue of 12.62M, resulting in a net margin of 6.5%.

ESP - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Espey Mfg. & Electronics Corp. reported a net income of 2.86M and revenue of 11.42M, resulting in a net margin of 25.1%.

Frequently Asked Questions

Can I hold both BOSC and ESP in my portfolio?

BOSC and ESP have a correlation of 0.03, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BOSC or ESP?

ESP has higher volatility (15.03%) compared to BOSC (14.77%). In terms of maximum drawdown, BOSC dropped -99.90% vs ESP's -54.43%.

Which has better risk-adjusted returns?

ESP currently has the higher Sharpe Ratio (1.23 vs -0.22), 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.