Byrna Technologies Inc. (BYRN) vs Deep Fission, Inc. (FISN)

A side-by-side comparison of Byrna Technologies Inc. and Deep Fission, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of September 3, 2026. Differences are shown without an overall score or investment verdict.

Compare

Total returnBYRN vs FISN

growth of $100 · dividends reinvested · last 1y
BYRN -45.8% (-45.8%/yr)FISN -52.1% (-52.1%/yr)BYRN compounded faster over this window
406080100Start $100$54$48
BYRN FISN

BYRN vs FISN: by the numbers

  • FISN is the larger company ($439M vs $77M market cap).
  • Both run net losses; FISN's is the smaller (0.00% vs -3.39% net margin).

Metrics side by side

Valuation

MetricBYRNFISN
P/S ratio0.72N/A
P/B ratio1.373.89
FCF yield2.88%N/A

Profitability

MetricBYRNFISN
Gross margin52.51%0.00%
Operating margin10.02%0.00%
Net margin-3.39%0.00%
ROE-6.47%-107.56%
ROIC-8.18%-72.19%

Growth (annualized)

MetricBYRNFISN
Revenue CAGR (5Y)23.75%N/A
Total return CAGR (5Y)-34.73%N/A

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 September 3, 2026.