T. Rowe Price Biotech ETF (TDNA) closed at $24.11 on October 22, 2026, down 0.9% from the previous close, on volume of 543 shares (30-day average 1,763).
Data as of October 22, 2026.
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T. ROWE PRICE DEBUTS BIOTECH, SMALL-CAP, AND MID-CAP EXCHANGE TRADED FUNDS
PRNewswire (Thu, 17-Sep 10:00 AM ET)
T. Rowe Price Biotech ETF trades on the stock market under the symbol TDNA.
As of October 23, 2026, TDNA stock price declined to $23.65 with 3,572 million shares trading.
TDNA has a market cap of $0.00. This is considered a Sub-Micro Cap stock.
TDNA support price is $23.65 and resistance is $24.58 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that TDNA shares will trade within this expected range on the day.
