Protagenic Therapeutics (PTIX) share price today is $0.56 as of January 6, 2026 at 1:30 AM IST. The stock touched a day high of $0.00 and a day low of $0.00.

Protagenic Therapeutics stock trades on NASDAQ under the ticker symbol PTIX.

Protagenic Therapeutics's market capitalization is $2.62M as of January 6, 2026 at 1:30 AM IST.

Protagenic Therapeutics's price-to-earnings (P/E) ratio is N/A as of October 26, 2026.

Protagenic Therapeutics's price-to-book (P/B) ratio is 1.60 as of October 26, 2026.

Yes, You can buy Protagenic Therapeutics shares from India through Tickertape, via our partnership with ViewTrade IFSC under the IFSCA Global Access framework, subject to RBI’s Liberalised Remittance Scheme (LRS) limits.

Indian investors can buy Protagenic Therapeutics shares in three steps: 1. Search Protagenic Therapeutics on the Tickertape app and tap Invest. 2. Complete your one-time digital KYC. 3. Fund your account and buy from as low as $1 via fractional shares.

Since Protagenic Therapeutics trades in USD, an Indian investor's INR returns depend on both the stock's price movement and the USD-INR exchange rate. If the rupee depreciates against the dollar, INR returns are boosted beyond the stock's USD return; if the rupee appreciates, INR returns are reduced.

Indian investors can start investing in Protagenic Therapeutics (PTIX) shares from as little as $1 through fractional ownership on Tickertape - for example, $10 buys approximately 17.6678 shares at the current price of $0.56.