Fastly [FSLY] vs Altair Engineering [ALTR] Detailed Stock Comparison

Fastly Inc.

NYSE
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Altair Engineering Inc.

NASDAQ
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TLDR: Quick Comparison Summary

Based on 20 vital metrics comparison: Fastly Inc. wins in 6 metrics, Altair Engineering Inc. wins in 12 metrics, with 0 ties. Altair Engineering Inc. appears stronger overall.

View Metrics Details

Vital Metrics Comparison

Metric Fastly Inc. Altair Engineering Inc. Better
P/E Ratio (TTM) -30.08 699.06 Altair Engineering Inc.
Price-to-Book Ratio 4.33 11.17 Fastly Inc.
Debt-to-Equity Ratio 46.28 30.23 Altair Engineering Inc.
PEG Ratio 0.53 78.77 Fastly Inc.
EV/EBITDA -64.74 154.06 Altair Engineering Inc.
Profit Margin (TTM) -19.50% 2.13% Altair Engineering Inc.
Operating Margin (TTM) -8.74% 5.84% Altair Engineering Inc.
EBITDA Margin (TTM) N/A 5.84% N/A
Return on Equity -12.84% 1.81% Altair Engineering Inc.
Return on Assets (TTM) -5.02% 0.81% Altair Engineering Inc.
Free Cash Flow (TTM) $48.09M $140.00M Altair Engineering Inc.
1-Year Return 143.96% 29.83% Fastly Inc.
Price-to-Sales Ratio (TTM) 6.46 14.47 Fastly Inc.
Enterprise Value $4.10B $9.29B Altair Engineering Inc.
EV/Revenue Ratio 6.57 13.96 Fastly Inc.
Gross Profit Margin (TTM) 61.39% 82.67% Altair Engineering Inc.
Revenue per Share (TTM) $4 $8 Altair Engineering Inc.
Earnings per Share (Diluted) $-0.83 $0.16 Altair Engineering Inc.
Beta (Stock Volatility) 0.62 1.45 Fastly Inc.
Short % of Float 12.89% N/A N/A

Fastly Inc. vs Altair Engineering Inc. Stock Performance Analysis

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FSLY
ALTR

Performance Comparison

Short-term Returns

Stock1D1W1M3M6MYTD
Fastly Inc.0.29%24.21%-24.23%-1.47%77.43%104.42%
Altair Engineering Inc.0.00%N/AN/AN/AN/AN/A

Long-term Returns

Stock1Y3Y5Y10Y15Y20Y
Fastly Inc.143.96%7.70%-62.46%-25.97%-25.97%-25.97%
Altair Engineering Inc.29.83%75.31%376.16%477.44%477.44%477.44%

Performance & Financial Health Analysis: Fastly Inc. vs Altair Engineering Inc.

MetricFSLYALTR
Market Information
Market Cap i$3.79B$9.63B
Market Cap CategoryMid capMid cap
10 Day Avg. Volume i16,965,270771,131
90 Day Avg. Volume i13,910,070772,784
Last Close$20.83$111.85
52 Week Range$6.29 - $34.82$75.71 - $113.12
% from 52W High-40.18%-1.12%
All-Time High$136.50 (Oct 12, 2020)$113.12 (Oct 28, 2024)
% from All-Time High-84.74%-1.12%
Growth Metrics
Quarterly Revenue Growth0.23%0.12%
Quarterly Earnings Growth0.23%-0.95%
Financial Health
Profit Margin (TTM) i-0.20%0.02%
Operating Margin (TTM) i-0.09%0.06%
Return on Equity (TTM) i-0.13%0.02%
Debt to Equity (MRQ) i46.2830.23
Cash & Liquidity
Book Value per Share (MRQ)$6.13$10.02
Cash per Share (MRQ)$2.38$6.55
Operating Cash Flow (TTM) i$94.44M$154.08M
Levered Free Cash Flow (TTM) i$140.45M$132.50M
Dividends
Last 12-Month Dividend Yield iN/AN/A
Last 12-Month Dividend iN/AN/A

Valuation & Enterprise Metrics Analysis: Fastly Inc. vs Altair Engineering Inc.

MetricFSLY (Apr 24, 2026)ALTR (Apr 30, 2025)
Price Ratios
P/E Ratio (TTM) i-30.08699.06
Forward P/E i71.9478.77
PEG Ratio i0.5378.77
Price to Sales (TTM) i6.4614.47
Price to Book (MRQ) i4.3311.17
Market Capitalization
Market Capitalization i$3.79B$9.63B
Enterprise Value i$4.10B$9.29B
Enterprise Value Metrics
Enterprise to Revenue i6.5713.96
Enterprise to EBITDA i-64.74154.06
Risk & Other Metrics
Beta i0.621.45
Book Value per Share (MRQ) i$6.13$10.02

Financial Statements Comparison: Fastly Inc. vs Altair Engineering Inc.

Financial Metrics

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Revenue

Operating Margin

Profit Margin

Long Term Debt

Income Flow Analysis

Financial Statements Comparison

Income Statement

MetricFSLY (2025)ALTR (2024)
Revenue/Sales i624.02M665.79M
Cost of Goods Sold i267.82M124.80M
COGS % of Revenue i42.9%18.7%
Gross Profit i356.20M540.99M
Gross Margin i57.1%81.3%
Research & Development i162.66M221.16M
Operating Income (EBIT) i-118.59M17.69M
Operating Margin i-19.0%2.7%
EBITDA i-29.16M82.84M
EBITDA Margin i-4.7%12.4%
Pre-Tax Income i-119.19M32.63M
Pre-Tax Income % of Revenue i-19.1%4.9%
Income Tax i2.49M18.46M
Income Tax % of Revenue i0.4%2.8%
Net Income (Profit) i-121.68M14.18M
Profit Margin i-19.5%2.1%

Balance Sheet & Liquidity Metrics

MetricFSLY (2025)ALTR (2024)
Cash & Equivalents i180.56M561.90M
Total Current Assets i506.71M784.98M
Total Current Assets % of Revenue i81.2%117.9%
Total Current Liabilities i194.00M487.77M
Total Current Liabilities % of Revenue i31.1%73.3%
Long-Term Debt i367.20M24.14M
Long-Term Debt % of Revenue i58.8%3.6%
Total Shareholders Equity i929.58M857.19M
Retained Earnings i-1.11B-116.33M
Retained Earnings % of Revenue i-178.6%-17.5%
Property, Plant & Equipment i52.07M31.12M

Cash Flow Statement Comparison

MetricFSLY (2025)ALTR (2024)
Operating Cash Flow i94.17M146.90M
Operating Cash Flow % of Revenue i15.1%22.1%
Capital Expenditures i-28.65MN/A
Free Cash Flow i48.09M140.00M
FCF Margin i7.7%21.0%
Debt Repayment i-2.33M-81.73M
Common Stock Repurchase iN/A0

Short Interest & Institutional Ownership Analysis

MetricFSLYALTR
Shares Short i18.35MN/A
Short Ratio i1.43N/A
Short % of Float i12.89%N/A
Shares Outstanding i151.54M85.57M
Float Shares i143.36M47.95M
% Held by Insiders i7.00%2.00%
% Held by Institutions i79.01%92.53%
% Held by Public i13.99%5.47%

Dividend Analysis & Yield Comparison: Fastly Inc. vs Altair Engineering Inc.

MetricFSLYALTR
Last 12-Month Dividend iN/AN/A
Last 12-Month Dividend Yield iN/AN/A
3-Year Avg Annual Dividend iN/AN/A
3-Year Avg Dividend Yield iN/AN/A
3-Year Total Dividends iN/AN/A
Ex-Dividend DateN/AN/A