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

1.200 +0.060 (+5.26%)
Delayed Quote Updated: 4:00 PM EDT, Oct 9, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 439,176
Open 1.140
Bid (Size) 1.160 (1,500)
Ask (Size) 1.260 (100)
Prev. Close 1.140
Today's Range 1.130 - 1.210
52wk Range 1.080 - 3.080
Shares Outstanding 52,571,813
Dividend Yield N/A

Performance

52-Week Range 61.0% below 52-week high
1.200
1.0852W Low 3.0852W High
1 Week 2.9% below 1-week high
1.131W Low 1.241W High

Spero Therapeutics, Inc. - Common Stock (SPRO) traded between $1.08 and $3.08 over the past 52 weeks and last traded at $1.20, 61.0% below its 52-week high. Over the past week it ranged between $1.13 and $1.24.

Past 12 Months
+3.4%
+2.6%
-42.9%
-55.1%
-48.9%
-49.2%
1W +$0.04
1M +$0.03
3M -$0.90
6M -$1.47
YTD -$1.15
1Y -$1.16

SPRO was -49.2% over the past year, -55.1% over six months, -48.9% year to date, +3.4% in the last week.

12 Months vs Market
SPRO
-49.2%
DIA
+11.4%
SPY
+16.0%
QQQ
+23.0%
IWM
+13.8%

Over the past 12 months SPRO returned -49.2% versus DIA (Dow) +11.4%, SPY (S&P 500) +16.0%, QQQ (Nasdaq 100) +23.0% and IWM (Russell 2000) +13.8%.

Volume & Liquidity 0.37× 3-mo avg
Today 439,176 3-mo avg 1.2M
1W
537.1K
1M
838.3K
3M
1.2M
6M
1.1M
YTD
829.6K
1Y
785.7K

SPRO most recently traded 439,176 shares against a 3-month average daily volume of 1.2M.

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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 1.200
When was Spero Therapeutics, Inc. - Common Stock last traded?
The last trade of Spero Therapeutics, Inc. - Common Stock was at 10/09/26 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 63.09M
How many shares of Spero Therapeutics, Inc. - Common Stock are outstanding?
Spero Therapeutics, Inc. - Common Stock has 63M shares outstanding.
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