GAMB vs RILY vs GENI vs ACMR vs MPWR

For growth investors, Genius Sports Limited (GENI) is the stronger pick with 31.

0% revenue growth year-over-year, versus -11. 5% for BRC Group Holdings, Inc. (RILY). BRC Group Holdings, Inc. (RILY) offers the better valuation at 1. 1x trailing P/E, making it the more compelling value choice. Analysts rate Gambling. com Group Limited (GAMB) a "Buy" — based on 8 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 trailing P/E, BRC Group Holdings, Inc.

(RILY) is the cheapest at 1. 1x versus Monolithic Power Systems, Inc. at 123. 6x. On forward P/E, Gambling. com Group Limited is actually cheaper at 8. 6x — notably different from the trailing picture, reflecting expected earnings growth. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: ACM Research, Inc. wins at 0. 84x versus Monolithic Power Systems, Inc. 's 2. 48x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, Monolithic Power Systems, Inc.

(MPWR) delivered a total return of +366. 2%, compared to -74. 6% for Genius Sports Limited (GENI). Over 10 years, the gap is even starker: ACMR returned +30. 7% versus GENI's -52. 4%. 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), Gambling.

com Group Limited (GAMB) is the lower-risk stock at 1. 38β versus ACM Research, Inc. 's 3. 24β — meaning ACMR is approximately 135% more volatile than GAMB relative to the S&P 500. On balance sheet safety, Monolithic Power Systems, Inc. (MPWR) carries a lower debt/equity ratio of 1% versus 23% for Gambling. com Group Limited — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Genius Sports Limited (GENI) is pulling ahead at 31.

0% versus -11. 5% for BRC Group Holdings, Inc. (RILY). On earnings-per-share growth, the picture is similar: BRC Group Holdings, Inc. grew EPS 129. 9% year-over-year, compared to -65. 2% for Monolithic Power Systems, Inc.. Over a 3-year CAGR, GAMB leads at 44. 3% 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.

BRC Group Holdings, Inc.

(RILY) is the more profitable company, earning 29. 8% net margin versus -16. 7% for Genius Sports Limited — meaning it keeps 29. 8% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: GAMB leads at 28. 1% versus -15. 6% for GENI. At the gross margin level — before operating expenses — GAMB leads at 94. 1%, 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.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, ACM Research, Inc. (ACMR) is the more undervalued stock at a PEG of 0. 84x versus Monolithic Power Systems, Inc. 's 2. 48x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, Gambling. com Group Limited (GAMB) trades at 8. 6x forward P/E versus 73. 1x for Monolithic Power Systems, Inc. — 64. 5x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for GENI: 153. 9% to $12. 10.

In this comparison, MPWR (0.

4% yield), ACMR (0. 2% yield) pay a dividend. GAMB, RILY, GENI do not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Gambling.

com Group Limited (GAMB) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding. Monolithic Power Systems, Inc. (MPWR) carries a higher beta of 2. 28 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (GAMB: -44. 7%, MPWR: +24. 9%), 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.

These companies operate in different sectors (GAMB (Consumer Cyclical) and RILY (Financial Services) and GENI (Communication Services) and ACMR (Technology) and MPWR (Technology)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: GAMB is a small-cap high-growth stock; RILY is a small-cap deep-value stock; GENI is a small-cap high-growth stock; ACMR is a small-cap high-growth stock; MPWR 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.