SPCX vs. TMUS: Space Exploration vs. T-Mobile US Stock Comparison
How do Space Exploration (SPCX) and T-Mobile US (TMUS) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.
Company Profile
Space Exploration (SPCX) and T-Mobile US (TMUS) both fall under the Telecommunication Services industry group, but SPCX is classified in Diversified Telecommunication Services while TMUS is classified in Wireless Telecommunication Services.
T-Mobile US (TMUS) has been public since April 19, 2007 with a meaningfully longer listed history, while Space Exploration (SPCX) only listed on June 12, 2026 — long-window metrics on the SPCX side should be interpreted with caution.
| Profile Item | SPCX | TMUS |
|---|---|---|
| Name | Space Exploration Technologies Corp. Class A | T-Mobile US, Inc. |
| Country/Region | United States | United States |
| GICS Sector | Communication Services | Communication Services |
| GICS Industry Group | Telecommunication Services | Telecommunication Services |
| GICS Industry | Diversified Telecommunication Services | Wireless Telecommunication Services |
| GICS Sub-Industry | Alternative Carriers | Wireless Telecommunication Services |
| Market Capitalization | 1,845.45 billion USD | 195.88 billion USD |
| Currency | USD | USD |
| Exchange | Nasdaq | Nasdaq |
| Listing Date | June 12, 2026 | April 19, 2007 |
| Security Type | Common Stock | Common Stock |
Price Performance
Cumulative Growth
Trailing Returns
Calendar-Year Returns
Performance Metrics
| Metric | SPCX | TMUS |
|---|---|---|
| Total Return (1Y) | -- | -25.67% |
| Total Return (3Y, Annualized) | -- | 11.03% |
| Total Return (5Y, Annualized) | -- | 5.67% |
Risk Profile
Drawdown History
Return Distribution
Risk Metrics
Space Exploration (SPCX) has a highly aggressive beta of 16.11, indicating much higher sensitivity to broad-market moves, while T-Mobile US (TMUS) is defensive at 0.35 and tends to be less market-sensitive — a wide gap in beta profiles.
| Metric | SPCX | TMUS |
|---|---|---|
| Volatility (1Y, Annualized) | 108.69% | 29.22% |
| Beta (5Y) | 16.11 | 0.35 |
| Max Drawdown (5Y) | -48.78% | -37.13% |
| Avg. Volume (3M) | 122.15M | 5.30M |
Risk-Adjusted Performance
Risk-Return Positioning
Both SPCX and TMUS need 1-year volatility and 1-year return to plot risk-return positioning.
Risk-Adjusted Metrics
| Metric | SPCX | TMUS |
|---|---|---|
| Sharpe Ratio (1Y) | -- | -1.01 |
| Sortino Ratio (1Y) | -- | -1.34 |
Profitability
ROE (TTM)
Capital efficiency shows on one side only: T-Mobile US (TMUS) earns 17.99% on shareholders’ equity, ranked against its industry; Space Exploration (SPCX) has no ROE this period.
SPCX
Telecommunication Services industry group
--
- Max
- 43.27%
- Q3
- 18.08%
- Median
- 7.42%
- Q1
- -6.78%
- Min
- -37.75%
- SPCX
- --
TMUS
Telecommunication Services industry group
17.99%
- Max
- 43.27%
- Q3
- 18.08%
- TMUS
- 17.99%
- Median
- 7.42%
- Q1
- -6.78%
- Min
- -37.75%
Net Margin (TTM)
Space Exploration (SPCX) reports a negative net margin of -35.66%, usually indicating a net loss over the period. Meanwhile T-Mobile US (TMUS) reports 11.46%, ranking against industry peers normally.
SPCX
Telecommunication Services industry group
-35.66%
- Max
- 30.45%
- Q3
- 11.92%
- Median
- 4.93%
- Q1
- -4.99%
- Min
- -18.49%
- SPCX
- -35.66%
TMUS
Telecommunication Services industry group
11.46%
- Max
- 30.45%
- Q3
- 11.92%
- TMUS
- 11.46%
- Median
- 4.93%
- Q1
- -4.99%
- Min
- -18.49%
Operating Margin (TTM)
Space Exploration (SPCX) reports a negative operating margin of -1.80%, usually indicating that operating costs exceeded revenue at the operating-income line. Meanwhile T-Mobile US (TMUS) reports 25.22%, ranking against industry peers normally.
SPCX
Telecommunication Services industry group
-1.80%
- Max
- 36.58%
- Q3
- 21.31%
- Median
- 11.74%
- Q1
- 1.33%
- SPCX
- -1.80%
- Min
- -7.37%
TMUS
Telecommunication Services industry group
25.22%
- Max
- 36.58%
- TMUS
- 25.22%
- Q3
- 21.31%
- Median
- 11.74%
- Q1
- 1.33%
- Min
- -7.37%
Profitability Metrics
| Metric | SPCX | TMUS |
|---|---|---|
| ROE (TTM) | -- | 17.99% |
| ROA (TTM) | -- | 5.97% |
| Net Margin (TTM) | -35.66% | 11.46% |
| Operating Margin (TTM) | -1.80% | 25.22% |
| Gross Margin (TTM) | 51.88% | 63.05% |
Growth
Revenue Growth
Space Exploration (SPCX) at 33.24% clears its industry range for revenue growth, far stronger top-line momentum than T-Mobile US (TMUS) at 8.49%, which is closer to a typical peer reading.
EPS Growth
T-Mobile US (TMUS) at 0.62% is around its peer norm for EPS growth, while Space Exploration (SPCX) at -25,600.00% falls below its industry range, a notably weak earnings reading.
Growth Metrics
| Metric | SPCX | TMUS |
|---|---|---|
| Revenue Growth (YoY) | 33.24% | 8.49% |
| Revenue Growth (3Y CAGR) | -- | 3.53% |
| EPS Growth (YoY) | -25,600.00% | 0.62% |
| EPS Growth (3Y CAGR) | -- | 67.73% |
Financial Strength
Current Ratio (MRQ)
T-Mobile US (TMUS) at 0.92 keeps current ratio within its industry’s typical mid-range, while Space Exploration (SPCX) at 5.12 sits above its industry’s typical mid-range — comfortable liquidity, though possibly with more idle current assets relative to peers.
SPCX
Telecommunication Services industry group
5.12
- SPCX
- 5.12
- Max
- 2.78
- Q3
- 1.78
- Median
- 1.19
- Q1
- 0.83
- Min
- 0.25
TMUS
Telecommunication Services industry group
0.92
- Max
- 2.78
- Q3
- 1.78
- Median
- 1.19
- TMUS
- 0.92
- Q1
- 0.83
- Min
- 0.25
Debt / Equity (MRQ)
Space Exploration (SPCX) at 0.31 keeps leverage in the lower industry quartile, while T-Mobile US (TMUS) at 2.14 runs a more typical debt-to-equity mix.
SPCX
Telecommunication Services industry group
0.31
- Max
- 3.79
- Q3
- 2.20
- Median
- 0.99
- Q1
- 0.64
- SPCX
- 0.31
- Min
- 0.00
TMUS
Telecommunication Services industry group
2.14
- Max
- 3.79
- Q3
- 2.20
- TMUS
- 2.14
- Median
- 0.99
- Q1
- 0.64
- Min
- 0.00
Financial Strength Metrics
| Metric | SPCX | TMUS |
|---|---|---|
| Current Ratio (MRQ) | 5.12 | 0.92 |
| Debt / Equity (MRQ) | 0.31 | 2.14 |
| Net Debt / EBITDA | -10.23 | 3.42 |
Dividends
Dividend Yield (TTM)
Space Exploration (SPCX) pays no dividend (yield 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile T-Mobile US (TMUS) reports a yield of 2.22%, ranking against industry peers normally.
SPCX
Telecommunication Services industry group
0.00%
- Max
- 7.20%
- Q3
- 3.30%
- SPCX
- 0.00%
- Median
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
TMUS
Telecommunication Services industry group
2.22%
- Max
- 7.20%
- Q3
- 3.30%
- TMUS
- 2.22%
- Median
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
Dividend Payout Ratio (TTM)
Space Exploration (SPCX) pays no dividend (payout 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile T-Mobile US (TMUS) reports a payout of 41.21%, ranking against industry peers normally.
SPCX
Telecommunication Services industry group
0.00%
- Max
- 128.57%
- Q3
- 71.07%
- Median
- 7.71%
- SPCX
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
TMUS
Telecommunication Services industry group
41.21%
- Max
- 128.57%
- Q3
- 71.07%
- TMUS
- 41.21%
- Median
- 7.71%
- Q1
- 0.00%
- Min
- 0.00%
Dividend Metrics
| Metric | SPCX | TMUS |
|---|---|---|
| Dividend Yield (TTM) | 0.00% | 2.22% |
| Dividend Payout Ratio (TTM) | 0.00% | 41.21% |
Valuation
P/E Ratio (TTM)
An earnings multiple is available for just one side: T-Mobile US (TMUS) trades at 19.20 times trailing earnings, ranked against its peers, while Space Exploration (SPCX) has no P/E ratio this period.
SPCX
Telecommunication Services industry group
--
- Max
- 27.26
- Q3
- 21.14
- Median
- 15.01
- Q1
- 8.97
- Min
- 2.50
- SPCX
- --
TMUS
Telecommunication Services industry group
19.20
- Max
- 27.26
- Q3
- 21.14
- TMUS
- 19.20
- Median
- 15.01
- Q1
- 8.97
- Min
- 2.50
P/S Ratio (TTM)
Both look expensive on sales: T-Mobile US (TMUS) at 2.12 sits in the upper P/S ratio quartile, and Space Exploration (SPCX) at 80.04 prices even higher, above its industry range.
SPCX
Telecommunication Services industry group
80.04
- SPCX
- 80.04
- Max
- 3.01
- Q3
- 2.04
- Median
- 0.84
- Q1
- 0.37
- Min
- 0.00
TMUS
Telecommunication Services industry group
2.12
- Max
- 3.01
- TMUS
- 2.12
- Q3
- 2.04
- Median
- 0.84
- Q1
- 0.37
- Min
- 0.00
P/B Ratio (MRQ)
T-Mobile US (TMUS) at 3.49 sits near its industry’s typical P/B ratio, while Space Exploration (SPCX) at 14.50 prices above its benchmark range — SPCX looks rich relative to book.
SPCX
Telecommunication Services industry group
14.50
- SPCX
- 14.50
- Max
- 7.24
- Q3
- 3.97
- Median
- 1.74
- Q1
- 0.75
- Min
- 0.01
TMUS
Telecommunication Services industry group
3.49
- Max
- 7.24
- Q3
- 3.97
- TMUS
- 3.49
- Median
- 1.74
- Q1
- 0.75
- Min
- 0.01
Valuation Metrics
| Metric | SPCX | TMUS |
|---|---|---|
| P/E Ratio (TTM) | -- | 19.20 |
| P/S Ratio (TTM) | 80.04 | 2.12 |
| P/B Ratio (MRQ) | 14.50 | 3.49 |
| Free Cash Flow Yield (TTM) | -- | 5.79% |