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

136.55 UNCHANGED
Delayed Quote Updated: 4:00 PM EDT, Oct 15, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 30
Open 136.55
Bid (Size) 136.55 (100)
Ask (Size) 188.88 (100)
Prev. Close 136.55
Today's Range 136.55 - 136.55
52wk Range 73.08 - 160.81
Shares Outstanding 62,577,897
Dividend Yield N/A

Performance

52-Week Range 15.1% below 52-week high
136.55
73.0852W Low 160.8152W High
1 Week 10.3% below 1-week high
135.621W Low 152.191W High

Protagonist Therapeutics, Inc. - Common Stock (PTGX) traded between $73.08 and $160.81 over the past 52 weeks and last traded at $136.55, 15.1% below its 52-week high. Over the past week it ranged between $135.62 and $152.19.

Past 12 Months
-5.0%
-4.8%
+3.4%
+31.6%
+56.6%
+75.8%
1W -$7.18
1M -$6.85
3M +$4.53
6M +$32.82
YTD +$49.37
1Y +$58.87

PTGX was +75.8% over the past year, +31.6% over six months, +56.6% year to date, -5.0% in the last week.

12 Months vs Market
PTGX
+75.8%
DIA
+12.6%
SPY
+16.0%
QQQ
+20.9%
IWM
+9.9%

Over the past 12 months PTGX returned +75.8% versus DIA (Dow) +12.6%, SPY (S&P 500) +16.0%, QQQ (Nasdaq 100) +20.9% and IWM (Russell 2000) +9.9%.

Volume & Liquidity 0.00× 3-mo avg
Today 30 3-mo avg 630.1K
1W
816.1K
1M
837.8K
3M
630.1K
6M
672.1K
YTD
721.4K
1Y
768.9K

PTGX most recently traded 30 shares against a 3-month average daily volume of 630.1K.

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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 136.55
When was Protagonist Therapeutics, Inc. - Common Stock last traded?
The last trade of Protagonist Therapeutics, Inc. - Common Stock was at 10/15/26 04:00 PM ET
What is the market capitalization of Protagonist Therapeutics, Inc. - Common Stock?
The market capitalization of Protagonist Therapeutics, Inc. - Common Stock is 8.55B
How many shares of Protagonist Therapeutics, Inc. - Common Stock are outstanding?
Protagonist Therapeutics, Inc. - Common Stock has 9B shares outstanding.
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