Aldeyra Therapeutics, Inc. (ALDX) vs Spero Therapeutics, Inc. (SPRO)

Aldeyra Therapeutics, Inc. and Spero Therapeutics, Inc. are both Biotechnology companies. Aldeyra Therapeutics, Inc. and Spero Therapeutics, Inc. are of similar size ($73.6M and $71.6M). Aldeyra Therapeutics, Inc. has negative trailing earnings, so its P/E is not meaningful; Spero Therapeutics, Inc. trades at 8.8×. Across the 9 metrics below, Spero Therapeutics, Inc. leads on 9 and Aldeyra Therapeutics, Inc. on 0.

Valuation

Metric ALDX SPRO Biotechnology median
P/E n/m 8.79 7.88
P/S n/m 1.17 11.47
P/B 1.93 1.61 2.52
Price to free cash flow n/m 3.65 21.16
EV/EBITDA n/m 3.41 0.74
EV/Sales n/m 0.34 10.73
Earnings yield (32.23%) 11.38% (28.84%)
Free cash flow yield (30.20%) 27.41% (23.03%)

Profitability

Metric ALDX SPRO Biotechnology median
Gross margin 0.00% 100.00% 65.16%
Operating margin 0.00% 0.00% 0.00%
Net margin 0.00% 0.00% 0.00%
Free cash flow margin 0.00% 0.00% 0.00%
Return on equity (49.48%) 19.17% (57.72%)
Return on assets (34.80%) 12.85% (49.22%)
Return on invested capital 0.00% 0.00% 0.00%

Growth

Metric ALDX SPRO Biotechnology median
Revenue growth (TTM) — 37.24% 5.64%
EPS growth (last fiscal year) 40.43% 111.81% —
Revenue growth, 5-year CAGR — 48.25% 8.40%
Net income growth, 5-year CAGR 0.00% 0.00% 0.00%

Health

Metric ALDX SPRO Biotechnology median
Debt to equity 0.00 0.00 0.00
Current ratio 4.91 6.12 4.73
Net debt to EBITDA 1.52 (6.38) 0.96

Dividend

Metric ALDX SPRO Biotechnology median
Dividend yield — — 2.10%
Payout ratio 0.00 0.00 0.00

Size

Metric ALDX SPRO Biotechnology median
Market cap 73.60m 71.63m 162.10m

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