Protagonist Therapeutics, Inc.
PTGXNASDAQHealthcare● Active
$98.03
+$0.65(+0.67%)
Market Cap$6.3B
P/E Ratio—
52W High$107.84
52W Low$49.38
Protagonist Therapeutics, Inc.（PTGX）股票价格历史
关键价位里程碑、OHLCV 表、年度回报、同业与 What If。
ptgx · 日线历史（复权）· FMP · 截至 2026年6月8日
5-Year High5Y
$107.84
Apr 1, 2026
-9.1% from here
5-Year Low5Y
$6.91
Jun 14, 2022
+1.3K% from low
IPO Priceadj.
$11.70
Aug 11, 2016
+737.9% since IPO
1 Year Ago
$55.68
Jun 9, 2025
+76.1% in 1Y
5 Years Ago
$35.33
Jun 9, 2021
+177.5% in 5Y
10 Years Ago
—
—
+0.0% in 10Y
Historical Price Data · PTGX
| Date↓ | Open↕ | High↕ | Low↕ | Close↕ | Close (Unadj.) ⓘ | Volume↕ | Change %↕ |
|---|---|---|---|---|---|---|---|
| Jun 8, 2026 | $98.95 | $101.16 | $96.70 | $98.03 | $98.03 | 565K | -0.93% |
| Jun 5, 2026 | $103.14 | $103.29 | $96.38 | $97.38 | $97.38 | 887K | -5.58% |
| Jun 4, 2026 | $96.39 | $103.55 | $96.14 | $102.79 | $102.79 | 659K | +6.64% |
| Jun 3, 2026 | $93.93 | $95.61 | $93.00 | $95.41 | $95.41 | 579K | +1.58% |
| Jun 2, 2026 | $93.84 | $97.71 | $92.75 | $93.23 | $93.23 | 724K | -0.65% |
| Jun 1, 2026 | $97.88 | $98.50 | $93.50 | $94.92 | $94.92 | 817K | -3.02% |
| May 29, 2026 | $100.64 | $102.40 | $98.84 | $99.56 | $99.56 | 598K | -1.07% |
| May 28, 2026 | $102.74 | $103.71 | $99.43 | $100.41 | $100.41 | 552K | -2.27% |
| May 27, 2026 | $100.05 | $102.49 | $98.94 | $102.21 | $102.21 | 405K | +2.16% |
| May 26, 2026 | $100.03 | $100.80 | $97.93 | $99.98 | $99.98 | 361K | -0.05% |
| May 22, 2026 | $102.01 | $102.42 | $98.89 | $99.19 | $99.19 | 394K | -2.76% |
| May 21, 2026 | $101.13 | $103.43 | $98.60 | $102.01 | $102.01 | 403K | +0.87% |
| May 20, 2026 | $99.03 | $101.90 | $98.37 | $100.88 | $100.88 | 372K | +1.87% |
| May 19, 2026 | $100.25 | $100.26 | $96.69 | $98.37 | $98.37 | 493K | -1.88% |
| May 18, 2026 | $103.22 | $104.16 | $100.58 | $100.74 | $100.74 | 447K | -2.40% |
| May 15, 2026 | $104.22 | $104.39 | $101.72 | $102.18 | $102.18 | 561K | -1.96% |
| May 14, 2026 | $104.31 | $105.72 | $101.62 | $105.55 | $105.55 | 427K | +1.19% |
| May 13, 2026 | $99.58 | $104.20 | $98.22 | $103.88 | $103.88 | 518K | +4.32% |
| May 12, 2026 | $103.50 | $103.66 | $98.36 | $99.95 | $99.95 | 646K | -3.43% |
| May 11, 2026 | $100.14 | $105.33 | $99.94 | $103.50 | $103.50 | 572K | +3.36% |
Showing 1–20 of 1,255 records
Annual Stock Price Performance · PTGX
Jan 1 → Dec 31 · 6 years2026+13.3%$86.54 → $98.03
+13.3%
2025+124.8%$38.85 → $87.34
+124.8%
2024+68.2%$22.95 → $38.60
+68.2%
2023+108.1%$11.02 → $22.93
+108.1%
2022-68.1%$34.19 → $10.91
-68.1%
2021-9.4%$37.74 → $34.20
-9.4%
Best Year2025 · +124.8%
Worst Year2022 · -68.1%
Positive Years4 / 6
Avg Annual Return+39.5%
6Y Total Return+159.8%
6Y CAGR~+17.2% / yr
Similar Companies in Healthcare
View sector
Eli Lilly and Company
LLY.TO
$41.30+0.00%
Mkt Cap $1.43T
Eli Lilly and Company
LLY
$1,149.15+0.00%
Mkt Cap $1.08T
Johnson & Johnson
JNJ
$232.16+0.00%
Mkt Cap $558.9B
AbbVie Inc.
ABBV
$223.07+0.00%
Mkt Cap $394.1B
UnitedHealth Group Incorporated
UNH
$406.57+0.00%
Mkt Cap $369.2B
Merck & Co., Inc.
MRK
$119.52+0.00%
Mkt Cap $295.2B
AstraZeneca PLC
AZN
$181.55+0.00%
Mkt Cap $281.6B
Novartis AG
NVS
$146.42+0.00%
Mkt Cap $279.4B
Amgen Inc.
AMGN
$345.73+0.00%
Mkt Cap $186.6B
Novo Nordisk A/S
NVO
$41.02+0.00%
Mkt Cap $182.3BWhat If You Invested in PTGX?
If you invested $1,000 in PTGX at IPO (split-adj.) — how much would it be worth today?
INVESTED$1,000
→TODAY WORTH$8,379
Total Return+737.9%
CAGR~+23.7% / yr
Profit+$7,379
Based on Aug 11, 2016 · $11.70Split & dividend adjustedNo fees assumed
Want a detailed breakdown?
Try the full calculator with custom amounts, dates & DRIP.
Full Calculator →Try the full calculator with custom amounts, dates & DRIP.
关于价格历史与 OHLCV 数据
Protagonist Therapeutics, Inc.（PTGX）所属板块为 Healthcare，主要交易场所为 NASDAQ。本页行情快照中的最近价为 $98.03。下方的图表与 OHLCV 表可查看历史开高低收与成交量。
年度表现条、同行业相似公司，以及 What If 假设计算器，便于在同一页面对比中长期收益。价格在注明处为拆股等调整后的日线数据；本页内容仅供信息参考，不构成投资建议。
数据：FMP 日线收盘 · 注明处为拆股等调整价 · 不构成投资建议
常见问题
PTGX 价格历史 · 5 个问题日线数据来自市场数据商（Financial Modeling Prep）。拆股等公司行为可能体现在复权序列中；重要决策请以券商或官方披露为准。
PTGX 历史股价FMP 日线复权 OHLCV