T. Rowe Price Biotech ETF
Prices on SharpeShare since Sep 17, 2026
Range since Sep 17, 2026
Low $22.72High $25.59
Has TDNA beaten the S&P 500?
Since Sep 17, 2026 (to Oct 20, 2026), TDNA returned -4.6%; the S&P 500 (SPY) returned +1.1%.
Sep 17, 2026 – Oct 20, 2026. Returns include dividends and other distributions, reinvested.
How are your investments doing?
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Returns by period
| Period | TDNA | S&P 500 |
|---|---|---|
| 1 month | -2.6% | +1.0% |
How has TDNA done each year?
SharpeShare can't compare a full calendar year of TDNA with the S&P 500 yet; the bars show the parts of years it can.
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2026*: TDNA -4.6%, S&P 500 (SPY) +1.1%
* Part of a year: the returns SharpeShare measures start or end inside it.
Select a month to see its return.
Each cell is that month's return, dividends included: green up, red down, uncolored when it rounds to 0.0%.
How rough does it get?
Counting dividends, TDNA's largest decline since Sep 2026 was 11.2%, from Sep 22 to Oct 16, 2026. It hasn't closed back at that high since. The S&P 500 didn't fall 10% or more in that time.
Since Sep 17, 2026, TDNA moved less than 1% up or down on 39% of trading days. Its biggest one-day fall was 3.9% (Sep 23, 2026); its biggest rise 3.9% (Oct 20, 2026).
Highest closing price since Sep 2026: $25.59 on Sep 22, 2026. The latest close, $24.32 on Oct 20, 2026, is 5.0% below it.
How are your investments doing?
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