Natural Alternatives International, Inc. (NAII) vs Tantech Holdings Ltd (TANH)

A side-by-side comparison of Natural Alternatives International, Inc. and Tantech Holdings Ltd across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 6, 2026. Differences are shown without an overall score or investment verdict.

Compare

Total return — NAII vs TANH

growth of $100 · dividends reinvested · last 10y
NAII -89.2% (-20.0%/yr)TANH -100.0% (-67.2%/yr)NAII compounded faster over this window
Log scale — wide-divergence pair
0001101001kStart $10020182020202220242026$11$0
NAII TANH

NAII vs TANH: by the numbers

  • •TANH is the larger company ($11M vs $8M market cap).
  • •Both run net losses; NAII's is the smaller (-14.64% vs -80.88% net margin).
  • •Both shrank revenue over the past five years; TANH's decline was smaller (-1.93% vs -4.56% CAGR).

Metrics side by side

Valuation

MetricNAIITANH
P/S ratio0.06N/A
P/B ratio0.170.10

Profitability

MetricNAIITANH
Gross margin5.54%18.62%
Operating margin-6.41%-31.82%
Net margin-14.64%-80.88%
ROE-41.42%-28.11%
ROIC-9.07%-10.47%

Growth (annualized)

MetricNAIITANH
Revenue CAGR (5Y)-4.56%-1.93%
Total return CAGR (5Y)-36.25%-86.37%

Frequently asked

Which has grown faster, NAII or TANH?
Neither grew: over the past five years both shrank revenue, with TANH's decline the smaller — NAII at a -4.56% CAGR versus TANH at -1.93%.
How have NAII and TANH total returns compared?
Over the past 10 years, NAII delivered -20.30% and TANH delivered -67.55% annualized total return. Past performance doesn't predict future results.

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified October 6, 2026.