TSSI vs. RKLB
TSSI (TSS, Inc) and RKLB (Rocket Lab USA, Inc.) are both stocks. TSSI operates in Information Technology Services (Technology), while RKLB operates in Aerospace & Defense (Industrials). Over the past 3 years, TSSI returned 216.00%/yr vs 158.32%/yr for RKLB. At a 0.20 correlation, their price movements are largely independent.
Performance
TSSI vs. RKLB - Performance Comparison
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Returns By Period
In the year-to-date period, TSSI achieves a 80.76% return, which is significantly higher than RKLB's 46.77% return.
TSSI
- 1D
- 4.24%
- 1M
- 10.36%
- YTD
- 80.76%
- 6M
- 68.60%
- 1Y
- -37.54%
- 3Y*
- 216.00%
- 5Y*
- 90.45%
- 10Y*
- 54.49%
RKLB
- 1D
- -10.79%
- 1M
- -17.53%
- YTD
- 46.77%
- 6M
- 66.51%
- 1Y
- 287.84%
- 3Y*
- 158.32%
- 5Y*
- —
- 10Y*
- —
TSSI vs. RKLB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
TSSI TSS, Inc | 80.76% | -40.39% | 4,292.59% | -51.60% | 23.96% | -19.64% |
RKLB Rocket Lab USA, Inc. | 46.77% | 173.89% | 360.58% | 46.68% | -69.30% | 8.67% |
Correlation
The correlation between TSSI and RKLB is 0.39, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.39 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.28 |
Correlation (All Time) Calculated using the full available price history since Aug 24, 2021 | 0.20 |
The correlation between TSSI and RKLB shifts across timeframes, from 0.20 (all time) to 0.39 (1 year), reflecting how their relationship changes across market environments.
Fundamentals
TSSI:
$0.78
RKLB:
-$0.33
TSSI:
1.17
RKLB:
83.69
TSSI:
$202.11M
RKLB:
$679.58M
TSSI:
$30.89M
RKLB:
$248.43M
TSSI:
$10.72M
RKLB:
-$177.36M
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Return for Risk
TSSI vs. RKLB — Risk / Return Rank
TSSI
RKLB
TSSI vs. RKLB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for TSS, Inc (TSSI) and Rocket Lab USA, Inc. (RKLB). 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.
| TSSI | RKLB | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -3.46 | ||
| Sortino ratioReturn per unit of downside risk | -2.90 | ||
| Omega ratioGain probability vs. loss probability | 1.03 | 1.38 | -0.35 |
| Calmar ratioReturn relative to maximum drawdown | -0.48 | 6.74 | -7.23 |
| Martin ratioReturn relative to average drawdown | -0.68 | 15.44 | -16.11 |
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Drawdowns
TSSI vs. RKLB - Drawdown Comparison
The maximum TSSI drawdown since its inception was -98.68%, which is greater than RKLB's maximum drawdown of -82.96%. Use the drawdown chart below to compare losses from any high point for TSSI and RKLB.
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Drawdown Indicators
| TSSI | RKLB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -98.68% | -82.96% | -15.72% |
Max Drawdown (1Y)Largest decline over 1 year | -77.75% | -43.01% | -34.74% |
Max Drawdown (3Y)Largest decline over 3 years | -77.75% | -55.49% | -22.26% |
Max Drawdown (5Y)Largest decline over 5 years | -77.75% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -84.66% | — | — |
Current DrawdownCurrent decline from peak | -58.91% | -31.84% | -27.07% |
Average DrawdownAverage peak-to-trough decline | -66.71% | -51.29% | -15.42% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 55.54% | 18.75% | +36.79% |
Volatility
TSSI vs. RKLB - Volatility Comparison
TSS, Inc (TSSI) and Rocket Lab USA, Inc. (RKLB) have volatilities of 30.02% and 31.54%, 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.
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Volatility by Period
| TSSI | RKLB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 30.02% | 31.54% | -1.52% |
Volatility (6M)Calculated over the trailing 6-month period | 73.94% | 73.47% | +0.47% |
Volatility (1Y)Calculated over the trailing 1-year period | 111.77% | 93.03% | +18.74% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 111.09% | 81.62% | +29.47% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 222.75% | 81.62% | +141.13% |
Dividends
TSSI vs. RKLB - Dividend Comparison
Neither TSSI nor RKLB has paid dividends to shareholders.
Financials
TSSI vs. RKLB - Financials Comparison
This section allows you to compare key financial metrics between TSS, Inc and Rocket Lab USA, Inc.. 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
TSSI vs. RKLB - Profitability Comparison
TSSI - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, TSS, Inc reported a gross profit of 8.81M and revenue of 55.35M. Therefore, the gross margin over that period was 15.9%.
RKLB - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Rocket Lab USA, Inc. reported a gross profit of 76.49M and revenue of 200.35M. Therefore, the gross margin over that period was 38.2%.
TSSI - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, TSS, Inc reported an operating income of 2.27M and revenue of 55.35M, resulting in an operating margin of 4.1%.
RKLB - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Rocket Lab USA, Inc. reported an operating income of -55.97M and revenue of 200.35M, resulting in an operating margin of -27.9%.
TSSI - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, TSS, Inc reported a net income of 2.28M and revenue of 55.35M, resulting in a net margin of 4.1%.
RKLB - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Rocket Lab USA, Inc. reported a net income of -45.02M and revenue of 200.35M, resulting in a net margin of -22.5%.
Frequently Asked Questions
TSSI and RKLB have a correlation of 0.39, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
RKLB has higher volatility (31.54%) compared to TSSI (30.02%). In terms of maximum drawdown, TSSI dropped -98.68% vs RKLB's -82.96%.
RKLB currently has the higher Sharpe Ratio (3.12 vs -0.34), 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.
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