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

139.53 +1.45 (+1.05%)
Official Closing Price Updated: 4:15 PM EDT, Oct 22, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 404,382
Open 137.49
Bid (Size) 139.37 (800)
Ask (Size) 139.55 (100)
Prev. Close 138.08
Today's Range 136.07 - 141.38
52wk Range 73.08 - 160.81
Shares Outstanding 62,577,897
Dividend Yield N/A

Performance

52-Week Range 13.2% below 52-week high
139.53
73.0852W Low 160.8152W High
1 Week 1.6% below 1-week high
126.391W Low 141.851W High

Protagonist Therapeutics, Inc. - Common Stock (PTGX) traded between $73.08 and $160.81 over the past 52 weeks and last traded at $139.53, 13.2% below its 52-week high. Over the past week it ranged between $126.39 and $141.85.

Past 12 Months
+2.2%
-3.8%
+3.0%
+32.2%
+60.0%
+86.0%
1W +$2.98
1M -$5.45
3M +$4.09
6M +$33.98
YTD +$52.35
1Y +$64.53

PTGX was +86.0% over the past year, +32.2% over six months, +60.0% year to date, +2.2% in the last week.

12 Months vs Market
PTGX
+86.0%
DIA
+12.5%
SPY
+13.8%
QQQ
+15.2%
IWM
+12.0%

Over the past 12 months PTGX returned +86.0% versus DIA (Dow) +12.5%, SPY (S&P 500) +13.8%, QQQ (Nasdaq 100) +15.2% and IWM (Russell 2000) +12.0%.

Volume & Liquidity 0.63× 3-mo avg
Today 404,382 3-mo avg 643.1K
1W
802.6K
1M
827.5K
3M
643.1K
6M
678.8K
YTD
723.4K
1Y
761.8K

PTGX most recently traded 404,382 shares against a 3-month average daily volume of 643.1K.

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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 139.53
When was Protagonist Therapeutics, Inc. - Common Stock last traded?
The last trade of Protagonist Therapeutics, Inc. - Common Stock was at 10/22/26 04:15 PM ET
What is the market capitalization of Protagonist Therapeutics, Inc. - Common Stock?
The market capitalization of Protagonist Therapeutics, Inc. - Common Stock is 8.73B
How many shares of Protagonist Therapeutics, Inc. - Common Stock are outstanding?
Protagonist Therapeutics, Inc. - Common Stock has 9B shares outstanding.
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