My Watchlist
Indicators
Markets
Stocks
ETFs
Tools
Markets:
Overview
News
Currencies
International
Treasuries

Protagenic Therapeutics, Inc. - Common Stock (NQ:PTIX)

4.485 +0.115 (+2.63%)
Streaming Delayed Price Updated: 1:44 PM EDT, Sep 23, 2025 Add to My Watchlist
Quote
Overview Detailed Quote Charting Historical Prices
News
All News News Headlines Press Releases
Research
Quarterly Reports Insider Filings Other Filings

Price and Volume

Detailed Quote
Volume 84,141
Open 4.530
Bid (Size) 4.450 (1)
Ask (Size) 4.520 (1)
Prev. Close 4.370
Today's Range 4.370 - 4.550
52wk Range 2.250 - 15.26
Shares Outstanding 1,914,937
Dividend Yield N/A
Chart for (: )
Intraday 1 Week 1 Month 3 Month 1 Year 3 Year 5 Year

Top News

More News
Wondering what's happening in today's after-hours session?
After the closing bell on Monday, let's take a glimpse of the US markets and explore the top gainers and losers in today's after-hours session. 
Via Chartmill
Protagenic Therapeutics Provides Update on Form 10-Q Filing Timeline and Nasdaq Compliance
Via ACCESS Newswire

Performance

YTD
-38.3%
-38.3%
1 Month
-0.6%
-0.6%
3 Month
+25.6%
+25.6%
6 Month
+22.8%
+22.8%
1 Year
-45.7%
-45.7%

More News

Read More
Wondering what's happening in today's pre-market session?
Via Chartmill
12 Health Care Stocks Moving In Friday's Pre-Market Session
Via Benzinga
Protagenic Therapeutics (PTIX) Shares Surge On Clinical Trial Progress
Via Benzinga
Top stock movements in today's session.
Via Chartmill
These stocks are making the most noise in today's session.
Via Chartmill
S&P 500 Moves Lower; Walmart Shares Fall After Q2 Results
Via Benzinga
Topics Stocks
12 Health Care Stocks Moving In Thursday's Intraday Session
Via Benzinga
Top movers analysis in the middle of the day on 2025-08-21: top gainers and losers in today's session.
Via Chartmill
Dow Dips Over 100 Points; US Initial Jobless Claims Increase
Via Benzinga
Topics Stocks
These stocks that are showing activity before the opening bell on Thursday.
Via Chartmill
Protagenic Therapeutics Advances PT00114 into Multiple-Dose Phase 1 Trial; Positioning for Phase 2 in Stress & Mood Disorders
Via ACCESS Newswire
12 Health Care Stocks Moving In Wednesday's Pre-Market Session
Via Benzinga
Wondering what's happening in today's after-hours session?
Via Chartmill
SHAREHOLDER INVESTIGATION: Halper Sadeh LLC Investigates INZY, TXNM, SVT, PTIX on Behalf of Shareholders
From Halper Sadeh LLC
Via GlobeNewswire
BRODSKY & SMITH SHAREHOLDER UPDATE: Notifying Investors of the Following Investigations: Inozyme Pharma, Inc. (Nasdaq – INZY), TXNM Energy, Inc. (NYSE - TXNM), Servotronics, Inc. (NYSE American - SVT), Protagenic Therapeutics, Inc. (Nasdaq – PTIX)
From Brodsky & Smith LLC
Via GlobeNewswire
Protagenic Therapeutics Receives $3.1 Million from Recent Warrant Activity
Via ACCESS Newswire
12 Health Care Stocks Moving In Wednesday's Pre-Market Session
Via Benzinga
Top movers in Tuesday's session
Via Chartmill
12 Health Care Stocks Moving In Tuesday's Intraday Session
Via Benzinga
These stocks are moving in today's session
Via Chartmill
Let's uncover which stocks are experiencing notable gaps during today's session.
Via Chartmill
Nasdaq Falls 100 Points; Home Depot Sales Top Views
Via Benzinga
What's going on in today's pre-market session
Via Chartmill

Frequently Asked Questions

Is Protagenic Therapeutics, Inc. - Common Stock publicly traded?
Yes, Protagenic Therapeutics, Inc. - Common Stock is publicly traded.
What exchange does Protagenic Therapeutics, Inc. - Common Stock trade on?
Protagenic Therapeutics, Inc. - Common Stock trades on the Nasdaq Stock Market
What is the ticker symbol for Protagenic Therapeutics, Inc. - Common Stock?
The ticker symbol for Protagenic Therapeutics, Inc. - Common Stock is PTIX on the Nasdaq Stock Market
What is the current price of Protagenic Therapeutics, Inc. - Common Stock?
The current price of Protagenic Therapeutics, Inc. - Common Stock is 4.485
When was Protagenic Therapeutics, Inc. - Common Stock last traded?
The last trade of Protagenic Therapeutics, Inc. - Common Stock was at 09/23/25 01:44 PM ET
What is the market capitalization of Protagenic Therapeutics, Inc. - Common Stock?
The market capitalization of Protagenic Therapeutics, Inc. - Common Stock is 8.59M
How many shares of Protagenic Therapeutics, Inc. - Common Stock are outstanding?
Protagenic Therapeutics, Inc. - Common Stock has 9M shares outstanding.
Stock Quote API & Stock News API supplied by www.cloudquote.io
Quotes delayed at least 20 minutes.
By accessing this page, you agree to the following
Privacy Policy and Terms Of Service.