ASTS vs KT vs IRDM Stock Comparison

AST SpaceMobile, Kt and Iridium Communications Prices as of Oct 23, 2026 Peers: Industry group
ASTS AST SpaceMobile, Inc.
$39.79 -33.7% 1M -44.5% 1Y
Market cap
$11.80B
P/E
–
Revenue (TTM)
$115.30M
Div. yield
–
Satellite Communications Communication Services
4 wins
KT Kt Corp
$17.31 -11.0% 1M -7.6% 1Y
Market cap
$8.26B
P/E
6.8x
Revenue (TTM)
$19.92B
Div. yield
–
Wireless Carriers Communication Services
5 wins
IRDM Iridium Communications Inc.
$44.40 -8.1% 1M +144.1% 1Y
Market cap
$4.78B
P/E
29.3x
Revenue (TTM)
$902.97M
Div. yield
0.01%
Satellite Communications Communication Services
2 wins

Head to Head

11 decided of 12

Kt leads on 5 of the 12 questions below (Kt 5, AST SpaceMobile 4, Iridium Communications 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionASTSKTIRDMLeader
Larger companyMarket capitalisation $11.80B $8.26B $4.78B ASTS
Cheaper on earningsLower P/E, profitable companies only -19.1x 6.8x 29.3x KT
Cheaper on forward earningsLower price / next fiscal year consensus EPS — 8.4x 48.3x KT
Faster revenue growthRevenue growth, trailing twelve months +2,256.9% +2.7% +3.6% ASTS
More profitableNet margin, trailing twelve months -536.7% 6.1% 18.1% IRDM
Better return on capitalReturn on invested capital -12.2% 8.3% 5.1% KT
Less leveragedLower net debt / EBITDA -1.1x — 5.1x ASTS
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.01% –
Better 1-year returnPrice return, last 12 months -44.5% -7.6% +144.1% IRDM
Better 5-year returnAnnualised price return, 5 years +31.2%/yr +5.3%/yr +1.8%/yr ASTS
Less volatileAnnualised volatility, 1 year 108.1% 22.8% 58.9% KT
Higher overall scoreMean of the five percentile scores vs peers 23/100 72/100 45/100 KT

Percentile Scorecard

ASTSKTIRDM

Each axis is the mean percentile of its metrics against the company's industry group. 100 is the best in the group, 50 the middle.

Scores by Axis

AxisASTSKTIRDM
Valuation 2 #48 of 49 92 #5 of 49 27 #36 of 49
Growth 31 #32 of 46 80 #10 of 46 73 #13 of 46
Profitability 0 #46 of 46 62 #18 of 46 64 #17 of 46
Financial Health 80 #11 of 50 67 #17 of 50 31 #35 of 50
Shareholder Returns 3 #35 of 36 57 #16 of 36 31 #25 of 36
Overall 23 72 45
  • ASTS ranked among 51 companies in Telecommunications
  • KT ranked among 51 companies in Telecommunications
  • IRDM ranked among 51 companies in Telecommunications

Price Performance

Price return, split-adjusted, before dividends. Click a name to hide or show it.

Returns

PeriodASTSKTIRDMSPY
1 month -33.7%-11.0%-8.1% -1.0%
3 months -29.2%-6.8%-3.0% +2.9%
6 months -47.9%-20.1%+14.0% +6.4%
Year to date -45.2%-8.8%+155.5% +11.4%
1 year -44.5%-7.6%+144.1% +13.1%
3 years +1,286.4%+42.7%+17.6% +79.4%
3 years, per year +140.4%+12.6%+5.5% +21.5%
5 years +289.0%+29.3%+9.5% +67.7%
5 years, per year +31.2%+5.3%+1.8% +10.9%
10 years —+8.4%+420.5% +255.2%
10 years, per year —+0.8%+17.9% +13.5%

Risk

MeasureASTSKTIRDMSPY
Volatility, 1Y 108.1%22.8%58.9% 12.7%
Downside volatility, 1Y 108.1%24.1%44.4% 12.7%
Beta vs S&P 500, 1Y 3.820.501.36 1.00
Return / volatility, 1Y -0.41-0.332.45 1.03
Max drawdown, 5Y -85.6%-29.6%-76.4% -25.4%
From 52-week high -70.1%-29.5%-20.3% -2.5%
52-week high $133.09$24.54$55.72 $779.14
52-week low $38.77$17.28$15.84 $631.97

Valuation History

Weekly multiples on trailing twelve-month fundamentals. Negative or extreme readings (a loss year, a collapsed denominator) are left out so the chart stays readable.

MultipleASTSKTIRDM
P/E now vs peer median -19.2xmedian 11.6x 6.9xmedian 11.6x 29.2xmedian 11.6x
P/S now vs peer median 134.3xmedian 1.1x 0.4xmedian 1.1x 5.2xmedian 1.1x
EV/EBITDA now vs peer median -27.1xmedian 6.9x —median 6.9x 17.0xmedian 6.9x
P/FCF now vs peer median -9.5xmedian 5.6x 8.2xmedian 5.6x 17.0xmedian 5.6x
P/B now vs peer median 6.5xmedian 1.3x 0.7xmedian 1.3x 8.2xmedian 1.3x
PEG now vs peer median 0.44median 0.24 0.98median 0.24 0.25median 0.24

Financial History

Reported figures by fiscal period, placed on the calendar year (or quarter) each period ended in, so companies with different fiscal years line up.

Trailing twelve monthsASTSKTIRDM
Revenue $115.30M $19.92B $902.97M
Gross profit $45.16M – $645.23M
Operating income -$669.08M $1.79B $171.59M
Net income -$810.98M $1.29B $163.03M
Free cash flow -$1.64B $1.02B $277.57M
R&D $29.48M – $21.63M
EPS (diluted) $-2.07 $2.50 $1.50
Cash & equivalents $2.29B $2.44B $97.85M
Total debt $8.87B $12.82B $7.47B
Shares (diluted) 299.06M 486.18M 108.93M
Enterprise value $2.94B -$5.99B $4.29B

All Metrics

58 metrics · best in bold

Bold marks the best reading: the lowest positive value for multiples, leverage and payout, the highest for everything else. The bar under each value is its percentile against that company's own peers. Hover a value for its rank and the peer median.

Valuation

12 metrics
MetricASTSKTIRDM
P/E -19.2x 6.9x 29.2x
P/FCF -9.5x 8.2x 17.0x
P/Operating cash flow -107.0x 2.4x 12.1x
P/S 134.3x 0.4x 5.2x
P/B 6.5x 0.7x 8.2x
P/Tangible book 6.5x 0.7x 21.9x
EV/EBITDA -27.1x – 17.0x
EV/EBIT -24.2x 7.7x 39.4x
EV/Revenue 140.2x 0.7x 7.5x
EV/FCF -9.9x 13.5x 24.3x
EV/Operating cash flow -111.7x 3.9x 17.3x
PEG (3Y EPS CAGR) 0.44 0.98 0.25

Growth

14 metrics
MetricASTSKTIRDM
Revenue growth (1Y) 2,257% 2.7% 3.6%
Revenue CAGR (3Y) 202.4% 9.7% 4.6%
Gross profit growth (1Y) 823.1% – 3.8%
Gross profit CAGR (3Y) 201.8% – 4.6%
Operating income growth (1Y) -157.3% 263.1% -26.3%
Operating income CAGR (3Y) -51.5% 13.5% 46.9%
Net income growth (1Y) -46.2% 11.3% 29.5%
Net income CAGR (3Y) -74.8% 27.9% 107.7%
EPS growth (1Y) -41.9% 246.5% 26.6%
EPS CAGR (3Y) -43.7% 7.0% 115.5%
Operating cash flow growth (1Y) -8.1% -6.2% -1.5%
Operating cash flow CAGR (3Y) 2.5% 7.0% 7.1%
Free cash flow growth (1Y) -142.0% -38.3% -9.1%
Free cash flow CAGR (3Y) -100.7% 33.6% 5.9%

Profitability

14 metrics
MetricASTSKTIRDM
Gross margin 39.2% – 71.5%
EBITDA margin -517.1% – 43.9%
Operating margin -580.3% 9.0% 19.0%
Pretax margin -698.8% 8.5% 9.3%
Net margin -536.7% 6.1% 18.1%
FCF margin -1,421% 5.1% 30.7%
Operating cash flow margin -125.5% 17.5% 43.2%
Return on equity -32.1% 11.2% 11.8%
Return on assets -13.6% 4.3% 2.2%
Return on invested capital -12.2% 8.3% 5.1%
Return on capital employed -11.6% 8.1% 6.9%
Asset turnover 0.0x 0.7x 0.3x
Cash conversion (OCF / net income) 0.2x 2.7x 2.4x
Stock comp / revenue 128.3% – 6.3%

Financial Health

11 metrics
MetricASTSKTIRDM
Debt / assets 50.8% 29.9% 69.4%
Debt / equity 1.2x 0.7x 3.7x
Net debt / EBITDA -1.1x – 5.1x
Debt / FCF -1.8x 8.8x 7.7x
Liabilities / assets 59.0% 59.1% 81.3%
Equity / assets 41.0% 40.9% 18.7%
Interest coverage – 3.3x –
Current ratio 13.1x 1.2x 0.9x
Quick ratio 12.5x 1.3x 0.6x
Cash ratio 12.0x 0.4x 0.3x
Altman Z-score 2.50 1.69 1.47

Shareholder Returns

7 metrics
MetricASTSKTIRDM
Dividend yield – 4.7% 1.4%
Net buyback yield -6.0% 2.0% 0.0%
Shareholder yield -6.0% 6.7% 1.3%
Payout ratio (earnings) – – 39.9%
Payout ratio (FCF) – – 23.4%
Dividend growth (1Y) – – 3.9%
Dividend CAGR (3Y) – – 10.0%

Analyst Estimates

Solid lines are reported fiscal-year results; dashed lines are the consensus for the years ahead. Hover a year for the analysts' high and low, and how each result compared with its estimate.

ConsensusASTSKTIRDM
Forward P/E – 8.4xFY2026 48.3xFY2026
EPS, next fiscal year $-2.17FY2026 $2.06FY2026 $0.92FY2026
EPS growth, next FY – -13.1%FY2026 -13.2%FY2026
EPS growth, the year after – +11.2% +56.5%
Revenue, next fiscal year $148.93MFY2026 $20.97BFY2026 $979.23MFY2026
Revenue growth, next FY +110.0%FY2026 +7.7%FY2026 +12.3%FY2026
Revenue growth, the year after +372.6% -7.8% +1.3%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersASTSKTIRDM
Held by institutions 44.3% 34.8% 85.3%
Institutions holding 754 244 479
Change in shares held, QoQ +5.0% +8.3% +2.2%
Institutions buying 543 135 305
Institutions selling 139 78 124
Buyers to sellers 3.91 1.73 2.46

Return Correlation

Daily returns, last 12 months

1.00 means two stocks move in lockstep, 0 that they move independently. Pairs below about 0.5 diversify each other.

ASTSKTIRDM
ASTS 1.00 0.05 0.49
KT 0.05 1.00 0.01
IRDM 0.49 0.01 1.00

Add a Peer

Largest companies in the same industry

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Frequently Asked Questions

Which is bigger, ASTS, KT and IRDM?

AST SpaceMobile (ASTS) is the largest by market capitalisation: AST SpaceMobile (ASTS) $11.80B, Kt (KT) $8.26B, Iridium Communications (IRDM) $4.78B.

Which stock is cheaper, ASTS, KT and IRDM?

Kt (KT) trades on the lowest price-to-earnings ratio (AST SpaceMobile (ASTS) -19.1x, Kt (KT) 6.8x, Iridium Communications (IRDM) 29.3x). On next year's consensus earnings, Kt (KT) is cheapest (Kt (KT) 8.4x, Iridium Communications (IRDM) 48.3x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

AST SpaceMobile (ASTS) grew revenue fastest over the trailing twelve months: AST SpaceMobile (ASTS) +2,256.9%, Kt (KT) +2.7%, Iridium Communications (IRDM) +3.6%.

Which company is more profitable?

Iridium Communications (IRDM) has the highest net margin (AST SpaceMobile (ASTS) -536.7%, Kt (KT) 6.1%, Iridium Communications (IRDM) 18.1%). On return on invested capital, Kt (KT) leads (AST SpaceMobile (ASTS) -12.2%, Kt (KT) 8.3%, Iridium Communications (IRDM) 5.1%).

Which stock has performed better?

Over the past year Iridium Communications (IRDM) returned the most: AST SpaceMobile (ASTS) -44.5%, Kt (KT) -7.6%, Iridium Communications (IRDM) +144.1%. Over five years, AST SpaceMobile (ASTS) compounded fastest (AST SpaceMobile (ASTS) +31.2%/yr, Kt (KT) +5.3%/yr, Iridium Communications (IRDM) +1.8%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: AST SpaceMobile (ASTS) 0.00%, Kt (KT) 0.00%, Iridium Communications (IRDM) 0.01%. AST SpaceMobile (ASTS) and Kt (KT) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Kt (KT) has been the steadiest (AST SpaceMobile (ASTS) 108.1%, Kt (KT) 22.8%, Iridium Communications (IRDM) 58.9%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, ASTS, KT and IRDM?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Kt (KT) leads on 5. Business Quant does not give investment advice; use the comparison as a starting point for your own research.

Data from SEC filings, exchange prices and consensus estimates, via Business Quant. Percentile scores compare each company with its own peer group, so two companies' scores are each relative to different peers unless you rank against the whole market. Price returns exclude dividends. Nothing on this page is investment advice.