Protagonist Therapeutics, Inc. - Common Stock (NQ:PTGX)

138.74 +4.30 (+3.20%)
Delayed Quote Updated: 10:53 AM EDT, Oct 20, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 147,270
Open 135.87
Bid (Size) 138.37 (100)
Ask (Size) 139.09 (200)
Prev. Close 134.44
Today's Range 134.32 - 139.09
52wk Range 73.08 - 160.81
Shares Outstanding 62,577,897
Dividend Yield N/A

Performance

52-Week Range 13.7% below 52-week high
138.74
73.0852W Low 160.8152W High
1 Week 5.0% below 1-week high
126.391W Low 146.001W High

Protagonist Therapeutics, Inc. - Common Stock (PTGX) traded between $73.08 and $160.81 over the past 52 weeks and last traded at $138.74, 13.7% below its 52-week high. Over the past week it ranged between $126.39 and $146.00.

Past 12 Months
+0.2%
-4.3%
+3.3%
+31.5%
+59.1%
+80.8%
1W +$0.25
1M -$6.24
3M +$4.47
6M +$33.27
YTD +$51.56
1Y +$62.02

PTGX was +80.8% over the past year, +31.5% over six months, +59.1% year to date, +0.2% in the last week.

12 Months vs Market
PTGX
+80.8%
DIA
+12.6%
SPY
+15.0%
QQQ
+18.0%
IWM
+11.5%

Over the past 12 months PTGX returned +80.8% versus DIA (Dow) +12.6%, SPY (S&P 500) +15.0%, QQQ (Nasdaq 100) +18.0% and IWM (Russell 2000) +11.5%.

Volume & Liquidity 0.23× 3-mo avg
Today 147,270 3-mo avg 636.6K
1W
791.9K
1M
822.3K
3M
636.6K
6M
673.1K
YTD
721.9K
1Y
760.9K

PTGX most recently traded 147,270 shares against a 3-month average daily volume of 636.6K.

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Frequently Asked Questions

Is Protagonist Therapeutics, Inc. - Common Stock publicly traded?
Yes, Protagonist Therapeutics, Inc. - Common Stock is publicly traded.
What exchange does Protagonist Therapeutics, Inc. - Common Stock trade on?
Protagonist Therapeutics, Inc. - Common Stock trades on the Nasdaq Stock Market
What is the ticker symbol for Protagonist Therapeutics, Inc. - Common Stock?
The ticker symbol for Protagonist Therapeutics, Inc. - Common Stock is PTGX on the Nasdaq Stock Market
What is the current price of Protagonist Therapeutics, Inc. - Common Stock?
The current price of Protagonist Therapeutics, Inc. - Common Stock is 138.74
When was Protagonist Therapeutics, Inc. - Common Stock last traded?
The last trade of Protagonist Therapeutics, Inc. - Common Stock was at 10/20/26 10:53 AM ET
What is the market capitalization of Protagonist Therapeutics, Inc. - Common Stock?
The market capitalization of Protagonist Therapeutics, Inc. - Common Stock is 8.68B
How many shares of Protagonist Therapeutics, Inc. - Common Stock are outstanding?
Protagonist Therapeutics, Inc. - Common Stock has 9B shares outstanding.
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