Data as of:
brimindinvest.com / compare / spcx-vs-irdmLIVE
SPCX
SpaceX · Aerospace & Space Technology
$143.69
+32.59% this month
VERSUS
COMPARE
IRDM
Iridium Communications Inc. · Satellite Communications
$46.98
-0.76% this month
Scoreboard verdict
Across AI score, momentum, valuation, upside, operating margin
SPCX
1
IRDM
2
IRDM LEADS 2/5
Comparison scoreboard
IRDM LEADS 2/5
AI Score
SPCX N/A
IRDM 40.5
1Y Return
SPCX N/A
IRDM +93.67%
Fwd P/E
SPCX 89.72
IRDM 27.39
Target Up.
SPCX +52.57%
IRDM -10.60%
Op. Margin
SPCX -1.80%
IRDM 15.10%
Metrics last refreshed: 8/31/2026
Quick take

SPCX vs IRDM Stock Comparison: AI Score, Valuation, Performance and Upside

SpaceX is evaluated as a dominant, high-growth launch and broadband operator commanding a premium valuation, while Iridium is assessed as a mature, cash-generative satellite communications provider with a stable government revenue base. The comparison contrasts a scaled growth leader against an established niche operator with more predictable cash flows.

Use this comparison to weigh SpaceX's scale and growth premium against Iridium's steadier, government-anchored cash flow profile in satellite communications.

Live analysis · updated 8/31/2026

IRDM holds the edge across 2 of 5 key metrics in this comparison. On fundamentals, SPCX is growing revenue faster (91.90%), while IRDM maintains the higher operating margin (15.10%) — a classic growth-versus-profitability split. Analyst consensus implies meaningfully more upside for SPCX (+52.57%) than for IRDM (-10.60%).

Normalized 1Y performance
SPCX
IRDM
Recent returns
SPCX
IRDM
Analyst price targets & sentiment
SPCX · 18 analysts
STRONG BUYHOLDSTRONG SELL
Buy (1.7/5.0)
Price target range
analyst low$117.00
analyst high$450.00
analyst mean$219.22
current price$143.69
+52.6% upside to analyst mean
IRDM · 5 analysts
STRONG BUYHOLDSTRONG SELL
Buy (2.1/5.0)
Price target range
analyst low$36.00
analyst high$54.00
analyst mean$42.00
current price$46.98
-10.6% upside to analyst mean
Who should consider this stock?
SPCX may suit investors who:
  • Want exposure to the dominant global launch and satellite broadband leader
  • Believe Starlink and Starship represent multi-decade growth opportunities
  • Are comfortable paying a premium valuation for market leadership
  • Seek diversified exposure across launch, broadband, and future space infrastructure
IRDM may suit investors who:
  • Prefer a mature satellite operator with predictable free cash flow
  • Value a long-standing government contract as a revenue anchor
  • Want lower capital intensity now that the constellation is fully built
  • Are comfortable with more modest growth in exchange for stability
Performance & AI score
Performance & AI score
MetricSPCXIRDM
AI scoreN/A40.5
AI rankN/A#1009
Latest close$143.69$46.98
1M return+32.59%-0.76%
6M returnN/A+97.98%
1Y returnN/A+93.67%
$10,000 invested — hypothetical growth (dividends reinvested)

How much would $10,000 be worth today if invested at the start of each period, with all dividends reinvested?

$10,000 invested — hypothetical growth (dividends reinvested)
PeriodSPCXIRDM
1Y ago$8.93K (-10.7%)
started 2026-06-12
$19.97K (+99.7%)
started 2025-09-02
5Y ago$8.93K (-10.7%)
started 2026-06-12
$12.06K (+20.6%)
started 2021-08-31
10Y ago$8.93K (-10.7%)
started 2026-06-12
$64.45K (+544.5%)
started 2016-08-31

Hypothetical — past performance does not guarantee future results.

Valuation & upside potential
Valuation & upside potential
MetricSPCXIRDM
Market cap$1.89T$4.98B
Trailing P/EN/A54.00
Forward P/E89.7227.39
Price/Sales82.195.63
EV/Revenue159.277.40
Analyst target$219.22$42.00
Target upside+52.57%-10.60%
Growth, profitability & risk
Growth, profitability & risk
MetricSPCXIRDM
Revenue growth91.90%3.80%
Earnings growthN/A-55.00%
EPS growthN/A-55.00%
FCF marginN/A+27.05%
Operating margin-1.80%15.10%
Profit margin-35.66%10.55%
ROIC proxyN/A19.71%
Return on equityN/A19.71%
Dividend yield0.00%1.29%
Beta5.770.88
Debt/equity31.21378.66
Current ratio5.122.78
Quick ratio4.952.13
Drawdown & downside risk

Lower drawdown and smaller single-period drops generally indicate a smoother ride, though they do not guarantee lower future risk.

1Y risk snapshot
SPCX max drawdown48.78%
IRDM max drawdown36.41%
SPCX max wkly drop26.89%
IRDM max wkly drop29.18%
5Y risk snapshot
SPCX max drawdown48.78%
IRDM max drawdown75.34%
SPCX max wkly drop26.89%
IRDM max wkly drop29.18%
10Y risk snapshot
SPCX max drawdown48.78%
IRDM max drawdown75.34%
SPCX max wkly drop26.89%
IRDM max wkly drop29.18%
Performance metrics by period
Performance metrics by period
PeriodMetricSPCXIRDM
1YGrowth-10.72%+94.53%
CAGR-40.42%+95.33%
Sharpe ratio-0.111.27
Max drawdown48.78%36.41%
Max daily drop16.43%14.85%
Max wkly drop26.89%29.18%
5YGrowth-10.72%+12.70%
CAGR-40.42%+2.42%
Sharpe ratio-0.110.19
Max drawdown48.78%75.34%
Max daily drop16.43%22.08%
Max wkly drop26.89%29.18%
10YGrowth-10.72%+502.21%
CAGR-40.42%+19.67%
Sharpe ratio-0.110.52
Max drawdown48.78%75.34%
Max daily drop16.43%22.08%
Max wkly drop26.89%29.18%
Business comparison
Business comparison
CategorySPCXIRDM
CompanySpaceXIridium Communications Inc.
SectorAerospace & Space TechnologySatellite Communications
IndustryN/AN/A
Core businessSpaceX builds and launches reusable rockets and operates the Starlink satellite internet constellation, alongside Starship development for deep-space missions.Iridium operates a low-earth-orbit satellite constellation providing global voice and data communications for government, maritime, aviation, and IoT customers.
Investor focusInvestors focus on Starlink subscriber growth, launch cadence and reusability economics, and progress toward Starship's commercial viability.Investors track government services contract renewals, commercial IoT subscriber growth, and free cash flow generation now that the Iridium NEXT constellation is fully deployed.
SPCX strengths
  • Dominant share of global commercial launch capacity
  • Starlink is the largest satellite broadband network with recurring subscription revenue
  • Vertically integrated manufacturing lowering per-launch cost versus competitors
IRDM strengths
  • Fully deployed, next-generation satellite constellation with low incremental capex
  • Long-standing government services contract providing revenue stability
  • Growing IoT and commercial data segment with high margins
Risks to watch — SPCX
  • Extremely high valuation following its record 2026 IPO
  • Heavy capital intensity of Starship and next-generation launch systems
  • Regulatory and geopolitical scrutiny of a dominant space infrastructure provider
Risks to watch — IRDM
  • Reliance on periodic renewal of its largest government contract
  • Emerging competition from new low-earth-orbit broadband entrants including Starlink
  • Limited consumer broadband exposure compared to newer satellite entrants
Frequently asked questions
SpaceX offers higher growth potential through Starlink and Starship but carries a premium valuation and heavy ongoing capital needs, while Iridium offers steadier cash flow from a fully deployed constellation and a stable government contract. Growth-oriented investors may favor SpaceX; income- or stability-focused investors may prefer Iridium.
AI Prediction SignalNext 5 trading days
Members only
SPCX
+2.8%BUY
IRDM
+1.1%HOLD

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