ALLT vs. ISSC

Last updated Jun 16, 2026

ALLT (Allot Communications Ltd) and ISSC (Innovative Solutions and Support, Inc.) are both stocks. ALLT operates in Software - Infrastructure (Technology), while ISSC operates in Aerospace & Defense (Industrials). Over the past 10 years, ALLT returned 3.99%/yr vs 21.27%/yr for ISSC. At a 0.10 correlation, their price movements are largely independent.

Performance

ALLT vs. ISSC - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Allot Communications Ltd (ALLT) and Innovative Solutions and Support, Inc. (ISSC). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ALLT achieves a -24.92% return, which is significantly lower than ISSC's -6.65% return. Over the past 10 years, ALLT has underperformed ISSC with an annualized return of 3.99%, while ISSC has yielded a comparatively higher 21.27% annualized return.

ALLT

• 1D: 0.14%
• 1M: 3.51%
• YTD: -24.92%
• 6M: -18.09%
• 1Y: -9.34%
• 3Y*: 34.25%
• 5Y*: -17.72%
• 10Y*: 3.99%

ISSC

• 1D: -4.33%
• 1M: 8.63%
• YTD: -6.65%
• 6M: 57.86%
• 1Y: 39.87%
• 3Y*: 34.35%
• 5Y*: 24.85%
• 10Y*: 21.27%

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

ALLT vs. ISSC - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ALLT Allot Communications Ltd	-24.92%	65.21%	260.61%	-52.03%	-71.04%	12.93%	23.76%	40.03%	13.88%	11.27%
ISSC Innovative Solutions and Support, Inc.	-6.65%	121.78%	0.12%	3.77%	25.32%	0.61%	29.83%	158.41%	-23.13%	-11.71%

Correlation

The correlation between ALLT and ISSC is 0.31, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.31
Correlation (3Y) Calculated over the trailing 3-year period	0.17
Correlation (5Y) Calculated over the trailing 5-year period	0.13
Correlation (10Y) Calculated over the trailing 10-year period	0.10
Correlation (All Time) Calculated using the full available price history since Nov 16, 2006	0.10

Over the past year, ALLT and ISSC have become more correlated (0.31) than their long-term average of 0.10, meaning their price movements have been converging.

Fundamentals

Market Cap ALLT : $368.21M ISSC : $323.58M
EPS ALLT : $0.13 ISSC : $0.94
PE Ratio ALLT : 56.51 ISSC : 18.77
PEG Ratio ALLT : 0.11 ISSC : 0.48
PS Ratio ALLT : 3.21 ISSC : 3.53
PB Ratio ALLT : 3.19 ISSC : 4.49
Total Revenue (TTM) ALLT : $105.27M ISSC : $90.56M
Gross Profit (TTM) ALLT : $74.41M ISSC : $44.22M
EBITDA (TTM) ALLT : $10.81M ISSC : $26.70M

Return for Risk

ALLT vs. ISSC — Risk / Return Rank

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

ALLT

ALLT Risk / Return Rank: 37
ALLT Sharpe Ratio Rank: 36
ALLT Sortino Ratio Rank: 37
ALLT Omega Ratio Rank: 38
ALLT Calmar Ratio Rank: 35
ALLT Martin Ratio Rank: 36

ISSC

ISSC Risk / Return Rank: 59
ISSC Sharpe Ratio Rank: 59
ISSC Sortino Ratio Rank: 62
ISSC Omega Ratio Rank: 62
ISSC Calmar Ratio Rank: 58
ISSC Martin Ratio Rank: 56

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.

ALLT vs. ISSC - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Allot Communications Ltd (ALLT) and Innovative Solutions and Support, Inc. (ISSC). 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.

	ALLT	ISSC	Difference
Sharpe ratio: Return per unit of total volatility	-0.14	0.48	-0.62
Sortino ratio: Return per unit of downside risk	0.26	1.24	-0.99
Omega ratio: Gain probability vs. loss probability	1.04	1.16	-0.13
Calmar ratio: Return relative to maximum drawdown	-0.21	0.69	-0.90
Martin ratio: Return relative to average drawdown	-0.38	1.26	-1.63

ALLT vs. ISSC - Sharpe Ratio Comparison

The current ALLT Sharpe Ratio is -0.14, which is lower than the ISSC Sharpe Ratio of 0.48. The chart below compares the historical Sharpe Ratios of ALLT and ISSC, 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

ALLT vs. ISSC - Drawdown Comparison

The maximum ALLT drawdown since its inception was -95.42%, which is greater than ISSC's maximum drawdown of -89.03%. Use the drawdown chart below to compare losses from any high point for ALLT and ISSC.

Drawdown Indicators

	ALLT	ISSC	Difference
Max Drawdown Largest peak-to-trough decline	-95.42%	-89.03%	-6.39%
Max Drawdown (1Y) Largest decline over 1 year	-45.65%	-57.83%	+12.18%
Max Drawdown (3Y) Largest decline over 3 years	-60.09%	-57.83%	-2.26%
Max Drawdown (5Y) Largest decline over 5 years	-93.64%	-57.83%	-35.81%
Max Drawdown (10Y) Largest decline over 10 years	-93.72%	-62.41%	-31.31%
Current Drawdown Current decline from peak	-73.67%	-42.15%	-31.52%
Average Drawdown Average peak-to-trough decline	-65.05%	-50.58%	-14.47%
Ulcer Index Depth and duration of drawdowns from previous peaks	24.93%	31.74%	-6.81%

Volatility

ALLT vs. ISSC - Volatility Comparison

The current volatility for Allot Communications Ltd (ALLT) is 16.05%, while Innovative Solutions and Support, Inc. (ISSC) has a volatility of 20.06%. This indicates that ALLT experiences smaller price fluctuations and is considered to be less risky than ISSC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ALLT	ISSC	Difference
Volatility (1M) Calculated over the trailing 1-month period	16.05%	20.06%	-4.01%
Volatility (6M) Calculated over the trailing 6-month period	52.77%	65.93%	-13.16%
Volatility (1Y) Calculated over the trailing 1-year period	65.72%	83.52%	-17.80%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	60.70%	59.16%	+1.54%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	52.32%	57.16%	-4.84%

Dividends

ALLT vs. ISSC - Dividend Comparison

Neither ALLT nor ISSC has paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020
ALLT Allot Communications Ltd	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
ISSC Innovative Solutions and Support, Inc.	0.00%	0.00%	0.00%	0.00%	0.01%	0.00%	17.64%

Financials

ALLT vs. ISSC - Profitability Comparison

The chart below illustrates the profitability comparison between Allot Communications Ltd and Innovative Solutions and Support, Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

ALLT - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Allot Communications Ltd reported a gross profit of 18.74M and revenue of 26.43M. Therefore, the gross margin over that period was 70.9%.

ISSC - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Innovative Solutions and Support, Inc. reported a gross profit of 11.43M and revenue of 22.37M. Therefore, the gross margin over that period was 51.1%.

ALLT - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Allot Communications Ltd reported an operating income of 1.53M and revenue of 26.43M, resulting in an operating margin of 5.8%.

ISSC - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Innovative Solutions and Support, Inc. reported an operating income of 4.94M and revenue of 22.37M, resulting in an operating margin of 22.1%.

ALLT - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Allot Communications Ltd reported a net income of 1.94M and revenue of 26.43M, resulting in a net margin of 7.4%.

ISSC - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Innovative Solutions and Support, Inc. reported a net income of 3.43M and revenue of 22.37M, resulting in a net margin of 15.4%.

Frequently Asked Questions

Can I hold both ALLT and ISSC in my portfolio?

ALLT and ISSC have a correlation of 0.31, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ALLT or ISSC?

ISSC has higher volatility (20.06%) compared to ALLT (16.05%). In terms of maximum drawdown, ALLT dropped -95.42% vs ISSC's -89.03%.

Which has better risk-adjusted returns?

ISSC currently has the higher Sharpe Ratio (0.48 vs -0.14), 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.