BOSC vs. CMCL
BOSC (B.O.S. Better Online Solutions Ltd.) and CMCL (Caledonia Mining Corporation Plc) are both stocks. BOSC operates in Communication Equipment (Technology), while CMCL operates in Gold (Basic Materials). Over the past 5 years, BOSC returned 3.37%/yr vs 12.23%/yr for CMCL. At a 0.06 correlation, their price movements are largely independent.
Performance
BOSC vs. CMCL - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, BOSC achieves a -6.58% return, which is significantly higher than CMCL's -19.36% 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%
CMCL
- 1D
- -2.66%
- 1M
- -1.56%
- YTD
- -19.36%
- 6M
- -15.35%
- 1Y
- 20.65%
- 3Y*
- 22.06%
- 5Y*
- 12.23%
- 10Y*
- —
BOSC vs. CMCL - 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% | 25.86% |
CMCL Caledonia Mining Corporation Plc | -19.36% | 186.75% | -18.90% | 2.65% | 11.39% | -23.84% | 93.29% | 67.37% | -26.33% | 20.43% |
Correlation
The correlation between BOSC and CMCL is 0.15, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.15 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.05 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.05 |
Correlation (All Time) Calculated using the full available price history since Jun 30, 2017 | 0.06 |
The correlation between BOSC and CMCL shifts across timeframes, from 0.05 (3 years) to 0.15 (1 year), reflecting how their relationship changes across market environments.
Fundamentals
BOSC:
$0.83
CMCL:
$3.15
BOSC:
5.15
CMCL:
6.62
BOSC:
0.07
CMCL:
0.18
BOSC:
0.37
CMCL:
1.50
BOSC:
$50.57M
CMCL:
$274.16M
BOSC:
$12.08M
CMCL:
$142.30M
BOSC:
$4.65M
CMCL:
$137.13M
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
BOSC vs. CMCL — Risk / Return Rank
BOSC
CMCL
BOSC vs. CMCL - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for B.O.S. Better Online Solutions Ltd. (BOSC) and Caledonia Mining Corporation Plc (CMCL). 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 | CMCL | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | -0.22 | 0.32 | -0.54 |
Sortino ratioReturn per unit of downside risk | -0.01 | 0.84 | -0.85 |
Omega ratioGain probability vs. loss probability | 1.00 | 1.11 | -0.11 |
Calmar ratioReturn relative to maximum drawdown | -0.15 | 0.47 | -0.63 |
Martin ratioReturn relative to average drawdown | -0.26 | 0.87 | -1.13 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading charts...
Sharpe Ratios by Period
| BOSC | CMCL | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | -0.22 | 0.32 | -0.54 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.07 | 0.23 | -0.16 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.03 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | -0.14 | 0.35 | -0.48 |
Drawdowns
BOSC vs. CMCL - Drawdown Comparison
The maximum BOSC drawdown since its inception was -99.90%, which is greater than CMCL's maximum drawdown of -65.77%. Use the drawdown chart below to compare losses from any high point for BOSC and CMCL.
Loading charts...
Drawdown Indicators
| BOSC | CMCL | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -99.90% | -65.77% | -34.13% |
Max Drawdown (1Y)Largest decline over 1 year | -37.73% | -43.76% | +6.03% |
Max Drawdown (3Y)Largest decline over 3 years | -39.13% | -45.27% | +6.14% |
Max Drawdown (5Y)Largest decline over 5 years | -59.35% | -50.00% | -9.35% |
Max Drawdown (10Y)Largest decline over 10 years | -64.34% | — | — |
Current DrawdownCurrent decline from peak | -99.70% | -43.76% | -55.94% |
Average DrawdownAverage peak-to-trough decline | -89.50% | -35.77% | -53.73% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 21.95% | 23.89% | -1.94% |
Volatility
BOSC vs. CMCL - Volatility Comparison
B.O.S. Better Online Solutions Ltd. (BOSC) has a higher volatility of 14.77% compared to Caledonia Mining Corporation Plc (CMCL) at 13.52%. This indicates that BOSC's price experiences larger fluctuations and is considered to be riskier than CMCL based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| BOSC | CMCL | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 14.77% | 13.52% | +1.25% |
Volatility (6M)Calculated over the trailing 6-month period | 30.09% | 47.57% | -17.48% |
Volatility (1Y)Calculated over the trailing 1-year period | 44.75% | 65.17% | -20.42% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 48.22% | 52.60% | -4.38% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 52.26% | 54.57% | -2.31% |
Dividends
BOSC vs. CMCL - Dividend Comparison
BOSC has not paid dividends to shareholders, while CMCL's dividend yield for the trailing twelve months is around 2.69%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|
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% |
CMCL Caledonia Mining Corporation Plc | 2.69% | 2.14% | 5.95% | 4.59% | 4.52% | 4.29% | 2.11% | 3.27% | 5.23% | 1.86% |
Financials
BOSC vs. CMCL - Financials Comparison
This section allows you to compare key financial metrics between B.O.S. Better Online Solutions Ltd. and Caledonia Mining Corporation Plc. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
BOSC vs. CMCL - Profitability Comparison
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%.
CMCL - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Caledonia Mining Corporation Plc reported a gross profit of 32.10M and revenue of 66.43M. Therefore, the gross margin over that period was 48.3%.
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%.
CMCL - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Caledonia Mining Corporation Plc reported an operating income of 26.87M and revenue of 66.43M, resulting in an operating margin of 40.4%.
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%.
CMCL - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Caledonia Mining Corporation Plc reported a net income of 15.85M and revenue of 66.43M, resulting in a net margin of 23.9%.
Frequently Asked Questions
BOSC and CMCL have a correlation of 0.15, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BOSC has higher volatility (14.77%) compared to CMCL (13.52%). In terms of maximum drawdown, BOSC dropped -99.90% vs CMCL's -65.77%.
CMCL currently has the higher Sharpe Ratio (0.32 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.
Find the right allocation for BOSC and CMCL
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer