Market Performance
Spero Therapeutics, Inc. (NASDAQ:SPRO) surged 5.0% in today's trading, closing at $1.25.
The Healthcare stock traded 742,800.94279 shares, above its average daily volume of 638,961 shares.
Spero Therapeutics, Inc. (NASDAQ:SPRO) surged 5.0% in today's trading, closing at $1.25.

At publication ·
Spero Therapeutics, Inc. (NASDAQ:SPRO) · big mover up
At a glance
Spero Therapeutics, Inc. (NASDAQ:SPRO) surged 5.0% in today's trading, closing at $1.25.
The Healthcare stock traded 742,800.94279 shares, above its average daily volume of 638,961 shares.
Spero Therapeutics, Inc. has a market capitalization of $132.4M. The stock has traded year-to-date.
Sharp single-day moves like this rally in Spero Therapeutics, Inc. are often driven by news catalysts — earnings surprises, analyst actions, sector developments, or broader market conditions. Investors should identify the specific driver before making trading decisions, as the sustainability of the move depends on whether the catalyst changes the fundamental outlook.
Spero Therapeutics, Inc. currently trades at $1.25, positioning the stock at the 8th percentile of its 52-week range ($1.08 — $3.08). This range context helps investors assess whether the stock is trading near support, resistance, or fair value relative to its recent history.
Related Tools: View SPRO Stock Page
Price movements can be driven by earnings, analyst actions, or sector trends. Check the latest on our SPRO news page.
See full price history and interactive charts on our SPRO chart page.
Current market data
NASDAQ · SPRO
$1.22
Up: +$0.01 · +0.83%
Live quote updated
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