Bonk, Inc. (BNKK) vs Tantech Holdings Ltd (TANH)
A side-by-side comparison of Bonk, 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.
BNKK
Bonk, Inc.
$1.56Consumer DefensiveDelayed quote: Oct 6, 2026, 2:48 PM EDT
TANH
Tantech Holdings Ltd
$15.82Consumer DefensiveDelayed quote: Oct 6, 2026, 2:50 PM EDT
Total return — BNKK vs TANH
growth of $100 · dividends reinvested · last 1yBNKK -82.8% (-82.8%/yr)TANH -84.8% (-84.8%/yr)BNKK compounded faster over this window
BNKK TANH
BNKK vs TANH: by the numbers
- •BNKK is the larger company ($12M vs $11M market cap).
- •Both run net losses; TANH's is the smaller (-80.88% vs -900.31% net margin).
- •BNKK grew revenue faster over the past five years (29.83% vs -1.93% CAGR).
Metrics side by side
Valuation
| Metric | BNKK | TANH |
|---|---|---|
| P/S ratio | 1.34 | N/A |
| P/B ratio | 0.45 | 0.10 |
Profitability
| Metric | BNKK | TANH |
|---|---|---|
| Gross margin | 31.51% | 18.62% |
| Operating margin | -877.62% | -31.82% |
| Net margin | -900.31% | -80.88% |
| ROE | -305.61% | -28.11% |
| ROIC | -91.77% | -10.47% |
Growth (annualized)
| Metric | BNKK | TANH |
|---|---|---|
| Revenue CAGR (5Y) | 29.83% | -1.93% |
| Total return CAGR (5Y) | N/A | -86.37% |
Frequently asked
- Which has grown faster, BNKK or TANH?
- Over the past five years, BNKK grew revenue faster — BNKK at a 29.83% CAGR versus TANH at -1.93%.
Go deeper
Dig into the metrics
Bonk ROETantech ROEBonk operating marginTantech operating marginBonk revenue growthTantech revenue growthBonk free cash flowTantech free cash flow
Bonk & Tantech appear in these rankings
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.