AMPL vs DDOG

For growth investors, Datadog, Inc.

(DDOG) is the stronger pick with 27. 7% revenue growth year-over-year, versus 14. 7% for Amplitude, Inc. (AMPL). Datadog, Inc. (DDOG) offers the better valuation at 629. 1x trailing P/E (88. 0x forward), making it the more compelling value choice. Analysts rate Amplitude, Inc. (AMPL) a "Buy" — based on 12 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On forward P/E, Amplitude, Inc.

is actually cheaper at 53. 6x — notably different from the trailing picture, reflecting expected earnings growth.

Over the past 5 years, Datadog, Inc.

(DDOG) delivered a total return of +144. 2%, compared to -89. 2% for Amplitude, Inc. (AMPL). Over 10 years, the gap is even starker: DDOG returned +402. 6% versus AMPL's -89. 2%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Datadog, Inc.

(DDOG) is the lower-risk stock at 1. 40β versus Amplitude, Inc. 's 1. 63β — meaning AMPL is approximately 16% more volatile than DDOG relative to the S&P 500. On balance sheet safety, Amplitude, Inc. (AMPL) carries a lower debt/equity ratio of 3% versus 41% for Datadog, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Datadog, Inc.

(DDOG) is pulling ahead at 27. 7% versus 14. 7% for Amplitude, Inc. (AMPL). On earnings-per-share growth, the picture is similar: Amplitude, Inc. grew EPS 11. 8% year-over-year, compared to -41. 2% for Datadog, Inc.. Over a 3-year CAGR, DDOG leads at 26. 9% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

Datadog, Inc.

(DDOG) is the more profitable company, earning 3. 1% net margin versus -25. 8% for Amplitude, Inc. — meaning it keeps 3. 1% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: DDOG leads at -1. 3% versus -28. 0% for AMPL. At the gross margin level — before operating expenses — DDOG leads at 80. 0%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

On forward earnings alone, Amplitude, Inc.

(AMPL) trades at 53. 6x forward P/E versus 88. 0x for Datadog, Inc. — 34. 4x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for AMPL: 103. 0% to $12. 00.

None of the stocks in this comparison currently pay a material dividend.

All are effectively zero-yield and should be held for capital appreciation rather than income.

For long-horizon retirement investors, Datadog, Inc.

(DDOG) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (+402. 6% 10Y return). Amplitude, Inc. (AMPL) carries a higher beta of 1. 63 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (DDOG: +402. 6%, AMPL: -89. 2%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

Both stocks operate in the Technology sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: AMPL is a small-cap quality compounder stock; DDOG is a mid-cap high-growth stock. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.