Stock price history for Protagonist Therapeutics (PTGX)

Highest end of day price: $105.40 USD on 2026-03-31

Lowest end of day price: $4.69 USD on 2019-12-03

Stock price history of Protagonist Therapeutics from 2016 to 2026

Annual Stock Price Performance

Year	Performance
2026	18.82%
2025	124.06%
2024	64.82%
2023	112.71%
2022	-69.11%
2021	74.49%
2020	190.91%
2019	2.32%
2018	-68.18%
2017	-1.79%
2016	87.95%

Stock price for similar companies or competitors

Company	Stock price	Change 1d%	Country
ORIC Pharmaceuticals ORIC	$8.89	18.93%	🇺🇸 USA

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In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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