GWH vs FLUX

For growth investors, Flux Power Holdings, Inc.

(FLUX) is the stronger pick with 9. 2% revenue growth year-over-year, versus -16. 5% for ESS Tech, Inc. (GWH). Analysts rate ESS Tech, Inc. (GWH) a "Hold" — based on 11 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.

Over the past 5 years, Flux Power Holdings, Inc.

(FLUX) delivered a total return of -85. 7%, compared to -99. 2% for ESS Tech, Inc. (GWH). Over 10 years, the gap is even starker: FLUX returned -68. 3% versus GWH's -99. 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), Flux Power Holdings, Inc.

(FLUX) is the lower-risk stock at 2. 30β versus ESS Tech, Inc. 's 2. 53β — meaning GWH is approximately 10% more volatile than FLUX relative to the S&P 500.

By revenue growth (latest reported year), Flux Power Holdings, Inc.

(FLUX) is pulling ahead at 9. 2% versus -16. 5% for ESS Tech, Inc. (GWH). On earnings-per-share growth, the picture is similar: Flux Power Holdings, Inc. grew EPS 20. 0% year-over-year, compared to -1425. 0% for ESS Tech, Inc.. 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.

Flux Power Holdings, Inc.

(FLUX) is the more profitable company, earning -10. 0% net margin versus -1369. 7% for ESS Tech, Inc. — meaning it keeps -10. 0% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: FLUX leads at -7. 6% versus -1426. 5% for GWH. At the gross margin level — before operating expenses — FLUX leads at 32. 7%, 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.

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, Flux Power Holdings, Inc.

(FLUX) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding. ESS Tech, Inc. (GWH) carries a higher beta of 2. 53 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (FLUX: -68. 3%, GWH: -99. 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 Industrials sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

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.