PTGX logo
PTGX NASDAQ US

Protagonist Therapeutics, Inc. - Common Stock

Healthcare · Biotechnology Website · IPO Aug 2016
$103.78
▲ +$0.11 (+0.11%)
Vol 602K
9
Quality Score
ok
Deep Check
1/5 fail
Mkt Cap
$5.5B
P/E
118.9
ROE
6.9%
Margin
21.9%
D/E
0.00
Beta
2.25
52W
$34–$97

Wall Street Consensus

19 analysts · Apr 2026
6
Strong Buy
11
Buy
2
Hold
0
Sell
0
Strong Sell
89.5%
Buy Rating

Price Chart

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Earnings

Beat rate: 75.0%
Quarter EPS Est EPS Act Surprise
Dec 2025 $-0.50 $-0.69 $-0.19
Sep 2025 $-0.65 $-0.62 +$0.03
Jun 2025 $-0.59 $-0.55 +$0.04
Mar 2025 $-0.24 $-0.19 +$0.05

Fundamentals Trend

Metric 2025-06-30 2025-09-02 2025-10-02 2025-11-03 2025-12-03 2026-01-02
ROE (TTM) 8.1% 8.1% 8.1% 8.1% 6.9% 6.9%
P/E (TTM) 65.83 67.07 77.61 93.99 115.90 118.93
Net Margin -627.0% 24.9% 24.9% 24.9% 21.9% 21.9%
Gross Margin — — — — — —
D/E Ratio 0.00 0.00 0.00 0.00 0.00 0.00
Current Ratio 16.97 16.97 16.97 16.97 13.05 13.05

Key Ratios

ROA (TTM)
6.3%
P/S (TTM)
26.10
P/B
3.4
EPS (TTM)
$0.63
CF/Share
$-2.59
Rev Growth 3Y
+151.3%
52W High
$96.54
52W Low
$33.70
$33.70 52-Week Range $96.54

How does PTGX compare to Biotechnology peers?

Peer group: Micro-cap Biotechnology (All) · 528 companies

PTGX AAPG ABEO ABOS ABP

PTGX valuation vs Biotechnology peers

P/E ratio
118.9
▲ 533% above peers (18.8)
vs Peers
vs Industry
Undervalued
P/S ratio
26.1
▲ 103% above peers (12.9)
vs Peers
vs Industry
Pricier
P/B ratio
3.4
▲ 37% above peers (2.5)
vs Peers
vs Industry
Pricier
Div yield
—
▼ 0% below peers (0.0%)
vs Peers
vs Industry
Low yield

PTGX profitability vs Biotechnology peers

ROE
6.9%
▲ 110% above peers (-67.3%)
vs Peers
vs Industry
Top tier
Net margin
21.9%
▲ 108% above peers (-286.8%)
vs Peers
vs Industry
Below avg
Gross margin
—
▼ 0% below peers (78.6%)
vs Peers
vs Industry
In line
ROA
6.3%
▲ 114% above peers (-46.7%)
vs Peers
vs Industry
Top tier

PTGX financial health vs Biotechnology peers

D/E ratio
0.0
▼ 0% below peers (0.0)
vs Peers
vs Industry
Low debt
Current ratio
13.1
▲ 194% above peers (4.4)
vs Peers
vs Industry
Strong liquidity
Beta
2.3
▲ 132% above peers (1.0)
vs Peers
vs Industry
More volatile

PTGX fundamentals radar

PTGX Peer median Industry

PTGX profitability vs leverage

Bubble size = market cap · X = net margin · Y = D/E ratio

PTGX vs peers: key metrics

Related Signals

Bounce Up SL Hit
$88.31 2.00x Dec 18

Latest News

Do Protagonist Therapeutics’ (PTGX) Derisked Drugs Have Blockbuster Potential?
Yahoo Finance · Mar 27