Protagonist Therapeutics Stock (PTGX)

Track Protagonist Therapeutics stock through TheStreet Pro's latest coverage, including articles, Daily Diary mentions, TheStreet Pro portfolio activity, contributor watchlist signals, and Pro price levels.

At close

$141.86

▲ +4.52 (+3.29%)

Sep 25, 4:00 PM ET

After-hours

$142.08

▲ +0.22 (+0.16%)

Sep 25, 7:53 PM ET

Market Cap

$8.89B

P/E Ratio

116.5x

1Y Return

+119.26%

EPS (TTM)

$1.04

Read the latest TheStreet Pro articles mentioning Protagonist Therapeutics, including market roundups, portfolio updates, trade ideas, and investing analysis.

Articles

1 article

market-commentary 10 Ways I Handle an Ugly Market (Including the Great Sacrifice)
James "Rev Shark" DePorreSep 24, 2026
PTGX ABVX BBIO

Daily Diary Mentions

0 mentions

No diary mentions for PTGX yet.