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Spero Therapeutics, Inc. - Common Stock (NQ:SPRO)

1.120 +0.020 (+1.82%)
Delayed Quote Updated: 4:00 PM EDT, Oct 19, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 203,030
Open 1.090
Bid (Size) 1.110 (1,300)
Ask (Size) 1.180 (900)
Prev. Close 1.100
Today's Range 1.090 - 1.130
52wk Range 1.080 - 3.080
Shares Outstanding 52,571,813
Dividend Yield N/A

Performance

52-Week Range 63.6% below 52-week high
1.120
1.0852W Low 3.0852W High
1 Week 8.2% below 1-week high
1.091W Low 1.221W High

Spero Therapeutics, Inc. - Common Stock (SPRO) traded between $1.08 and $3.08 over the past 52 weeks and last traded at $1.12, 63.6% below its 52-week high. Over the past week it ranged between $1.09 and $1.22.

Past 12 Months
-5.1%
-0.9%
-22.2%
-60.6%
-52.3%
-51.1%
1W -$0.06
1M -$0.01
3M -$0.32
6M -$1.72
YTD -$1.23
1Y -$1.17

SPRO was -51.1% over the past year, -60.6% over six months, -52.3% year to date, -5.1% in the last week.

12 Months vs Market
SPRO
-51.1%
DIA
+11.1%
SPY
+14.2%
QQQ
+17.5%
IWM
+9.3%

Over the past 12 months SPRO returned -51.1% versus DIA (Dow) +11.1%, SPY (S&P 500) +14.2%, QQQ (Nasdaq 100) +17.5% and IWM (Russell 2000) +9.3%.

Volume & Liquidity 0.21× 3-mo avg
Today 203,030 3-mo avg 962.8K
1W
395.8K
1M
900.1K
3M
962.8K
6M
1.1M
YTD
818.7K
1Y
783.5K

SPRO most recently traded 203,030 shares against a 3-month average daily volume of 962.8K.

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Frequently Asked Questions

Is Spero Therapeutics, Inc. - Common Stock publicly traded?
Yes, Spero Therapeutics, Inc. - Common Stock is publicly traded.
What exchange does Spero Therapeutics, Inc. - Common Stock trade on?
Spero Therapeutics, Inc. - Common Stock trades on the Nasdaq Stock Market
What is the ticker symbol for Spero Therapeutics, Inc. - Common Stock?
The ticker symbol for Spero Therapeutics, Inc. - Common Stock is SPRO on the Nasdaq Stock Market
What is the current price of Spero Therapeutics, Inc. - Common Stock?
The current price of Spero Therapeutics, Inc. - Common Stock is 1.120
When was Spero Therapeutics, Inc. - Common Stock last traded?
The last trade of Spero Therapeutics, Inc. - Common Stock was at 10/19/26 04:00 PM ET
What is the market capitalization of Spero Therapeutics, Inc. - Common Stock?
The market capitalization of Spero Therapeutics, Inc. - Common Stock is 58.88M
How many shares of Spero Therapeutics, Inc. - Common Stock are outstanding?
Spero Therapeutics, Inc. - Common Stock has 59M shares outstanding.
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