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Spero Therapeutics (SPRO) Stock Chart & Stock Price History

Spero Therapeutics logo
$1.21 -0.01 (-0.82%)
As of 04:00 PM Eastern
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Spero Therapeutics Stock Price Performance

The Spero Therapeutics (SPRO) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 43.46%, with a year-to-date return of -48.07%. In the past month, the stock has decreased 1.63%, reflecting recent market activity.

As of the latest close, Spero Therapeutics traded at $1.21 with a market cap of $70.47 million and volume of 362,871 shares. Five years ago, the stock traded at $17.91, representing a 93.24% decrease over that period. At the time, it had a market cap of $575.75 million and a volume of 114,828 shares.

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5 Day
Performance
+0.83%
1 Month
Performance
-1.63%
3 Month
Performance
-59.40%
Year-To-Date
Performance
-48.07%
1 Year
Performance
-43.46%
5 Year
Performance
-93.24%

SPRO Stock Chart for Friday, September, 4, 2026

SPRO Chart by TradingView

Spero Therapeutics Stock Price History

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DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
09/04/2026$1.22$1.21
-0.82%		$1.22$1.19362,871 shs$70.47 million
09/03/2026$1.22$1.22$1.23$1.20203,325 shs$71.05 million
09/02/2026$1.20$1.22
+1.67%		$1.24$1.20169,513 shs$71.05 million
09/01/2026$1.22$1.20
-1.64%		$1.22$1.18382,298 shs$69.89 million
08/31/2026$1.20$1.22
+1.67%		$1.23$1.20330,165 shs$71.05 million
08/28/2026$1.21$1.20
-0.83%		$1.22$1.18312,274 shs$69.89 million
08/27/2026$1.22$1.21
-0.82%		$1.23$1.18537,657 shs$70.46 million
08/26/2026$1.23$1.22
-0.81%		$1.23$1.20154,664 shs$71.05 million
08/25/2026$1.22$1.23
+1.23%		$1.26$1.20645,513 shs$71.64 million
08/24/2026$1.22$1.22
-0.41%		$1.24$1.20367,271 shs$70.76 million
08/21/2026$1.21$1.22
+0.83%		$1.25$1.21359,139 shs$71.05 million
08/20/2026$1.23$1.21
-1.63%		$1.27$1.20557,880 shs$70.47 million
08/19/2026$1.20$1.23
+2.50%		$1.24$1.19479,371 shs$71.22 million
08/18/2026$1.19$1.20
+0.84%		$1.20$1.18476,392 shs$69.48 million
08/17/2026$1.23$1.19
-3.25%		$1.24$1.19299,011 shs$68.90 million
08/14/2026$1.24$1.23
-0.81%		$1.26$1.19744,544 shs$71.22 million
08/13/2026$1.19$1.24
+4.20%		$1.30$1.211.29 million shs$71.80 million
08/12/2026$1.23$1.19
-3.25%		$1.25$1.19767,783 shs$68.90 million
08/11/2026$1.23$1.23$1.25$1.21364,059 shs$71.22 million
08/10/2026$1.26$1.23
-2.38%		$1.28$1.23350,799 shs$71.22 million
08/07/2026$1.27$1.26
-0.79%		$1.28$1.24458,505 shs$72.95 million
08/06/2026$1.26$1.27
+0.79%		$1.28$1.23972,468 shs$73.53 million
08/05/2026$1.23$1.26
+2.44%		$1.28$1.21574,336 shs$72.95 million
08/04/2026$1.15$1.23
+6.96%		$1.25$1.15751,967 shs$71.22 million
08/03/2026$1.17$1.15
-1.71%		$1.22$1.131.37 million shs$66.59 million
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This page (NASDAQ:SPRO) was last updated on 9/4/2026 by MarketBeat.com Staff.
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