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Nasdaq:PTGX
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Protagonist Therapeutics (PTGX)

Nasdaq • PTGX • US74366E1029

134.86Last close
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ORTEX Data Highlights

As of Oct 27, 2026, ORTEX estimated 19.3% of free float sold short, 12.8 days to cover, cost to borrow 0.47%. Sign up for live short interest data.

Market Cap

8.8b USD | # 1758 in US

Volume

657.29k shares | 94.29m USD

Shares Outstanding

65.27m

Free Float Shares

81.89% | 53.45m

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PTGX key data

Protagonist Therapeutics (Nasdaq: PTGX) has a market capitalization of $8.8B. Last close $134.86 (as of 2026-11-12); 52-week range $77.00 to $160.81. ORTEX data as of 2026-10-27: short interest was 19.29% of free float, 12.8 days to cover and the average cost to borrow was 0.47%. Sign up for live short interest data.

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