Protagonist Therapeutics Inc.
PTGX | NASDAQ
$144.85
+$0.51 (+0.35%)
At close: Oct 30, 2026, 4:00 PM ET
$144.51
-$0.34 (-0.23%)
Pre-market:
Nov 2, 2026, 7:33 AM ET
Market Cap History History
Annual Market Cap Change Annual Change
| Date | Market Cap | Change | % Change |
|---|---|---|---|
| Oct 30, 2026 | $9.55B | $3.89B | +68.69% |
| Dec 26, 2025 | $5.66B | $3.26B | +135.27% |
| Dec 27, 2024 | $2.41B | $1.05B | +77.33% |
| Dec 29, 2023 | $1.36B | $824.66M | +154.89% |
| Dec 30, 2022 | $532.41M | -$1.11B | -67.67% |
| Dec 31, 2021 | $1.65B | $848.43M | +106.26% |
| Dec 31, 2020 | $798.44M | $609.74M | +323.13% |
| Dec 27, 2019 | $188.7M | $42.98M | +29.49% |
| Dec 28, 2018 | $145.72M | -$206.04M | -58.57% |
| Dec 29, 2017 | $351.76M | $165.22M | +88.57% |
| Dec 30, 2016 | $186.55M | n/a | n/a |
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