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Spero Therapeutics, Inc. (SPRO)

Healthcare | Biotechnology | Cambridge, United States | NasdaqGS
2.74 USD +0.06 (2.237%) ⇧ (April 17, 2026, 3:39 p.m. EDT)

Short-term: ★★☆☆☆ | Long-term: ★★★☆☆ | Dividends: ☆☆☆☆☆
Hot Take | April 11, 2026, 2:49 p.m. EDT

SPRO presents a mixed opportunity. Short-term traders may consider the recent price movements and upcoming earnings reports as potential catalysts for momentum plays. However, the stock has shown volatility and lacks a strong dividend yield. Long-term investors might see potential in the company's pipeline, especially with upcoming FDA decisions, but the lack of consistent earnings and the current market cap suggest caution. Overall, the stock is more speculative and requires careful risk management.

Model Selection — Backtest MAE (log-scale, lower is better)
ModelMAE
AutoTheta ✓0.047375
AutoARIMA0.047380
AutoETS0.047479
MSTL0.049702

Forecast horizon: 45 days | Selected: AutoTheta

Forecast Reliability
Score 55%
H-stat 2.61
Ljung-Box p 0.000
Jarque-Bera p 0.228
Excess Kurtosis -0.13
Attribute Value
Sector Healthcare
Debt to Equity Ratio 4.905
Revenue per Share 1.192
Market Cap 158,622,688
Trailing P/E 18.27
Forward P/E -2.47
Beta 1.45
Profit Margins 12.83%
Website https://sperotherapeutics.com

As of April 11, 2026, 2:49 p.m. EDT: Options speculators are showing mixed signals. The calls are heavily weighted towards the ATM strike of 2.5, indicating some confidence in the stock staying near this level. However, there is significant OTM call activity, particularly at the 5.0 strike, suggesting some speculation on a potential sharp upward move. Puts are also showing some activity, especially at the 2.0 strike, indicating some bearish sentiment. The overall volatility is relatively low, but there is a notable increase in IV for certain strikes, which could indicate increased uncertainty or anticipation of upcoming events.


Info Dump

Attribute Value
52 Week Change 2.6965518
Address1 675 Massachusetts Avenue
Address2 14th Floor
All Time High 23.639
All Time Low 0.505
Ask 2.77
Ask Size 2
Average Daily Volume10 Day 551,520
Average Daily Volume3 Month 366,470
Average Volume 366,470
Average Volume10Days 551,520
Beta 1.45
Bid 1.96
Bid Size 2
Book Value 1.046
City Cambridge
Compensation As Of Epoch Date 1,735,603,200
Country United States
Crypto Tradeable 0
Currency USD
Current Price 2.74
Current Ratio 7.588
Custom Price Alert Confidence HIGH
Date Short Interest 1,774,915,200
Day High 2.78
Day Low 2.65
Debt To Equity 4.905
Display Name Spero Therapeutics
Earnings Call Timestamp End 1,755,030,600
Earnings Call Timestamp Start 1,755,030,600
Earnings Timestamp 1,774,555,200
Earnings Timestamp End 1,778,702,400
Earnings Timestamp Start 1,778,702,400
Ebitda 7,161,000
Ebitda Margins 0.107200004
Enterprise To Ebitda 16.447
Enterprise To Revenue 1.763
Enterprise Value 117,779,200
Eps Forward -1.11
Eps Trailing Twelve Months 0.15
Esg Populated 0
Exchange NMS
Exchange Data Delayed By 0
Exchange Timezone Name America/New_York
Exchange Timezone Short Name EDT
Fifty Day Average 2.424
Fifty Day Average Change 0.31599998
Fifty Day Average Change Percent 0.13036303
Fifty Two Week Change Percent 269.65518
Fifty Two Week High 3.22
Fifty Two Week High Change -0.48000002
Fifty Two Week High Change Percent -0.14906833
Fifty Two Week Low 0.57
Fifty Two Week Low Change 2.17
Fifty Two Week Low Change Percent 3.8070178
Fifty Two Week Range 0.57 - 3.22
Financial Currency USD
First Trade Date Milliseconds 1,509,629,400,000
Float Shares 47,330,927
Forward Eps -1.11
Forward P E -2.4684684
Free Cashflow -4,250,625
Full Exchange Name NasdaqGS
Full Time Employees 25
Gmt Off Set Milliseconds -14,400,000
Gross Margins 0.42416
Gross Profits 28,335,000
Has Pre Post Market Data 1
Held Percent Insiders 0.22564
Held Percent Institutions 0.16927
Implied Shares Outstanding 57,891,493
Industry Biotechnology
Industry Disp Biotechnology
Industry Key biotechnology
Is Earnings Date Estimate 1
Language en-US
Last Fiscal Year End 1,767,139,200
Long Business Summary Spero Therapeutics, Inc., a clinical-stage biopharmaceutical company, focuses on identifying and developing novel treatments for multi-drug resistant (MDR) bacterial infections and rare diseases in the United States. The company's product candidates include Tebipenem HBr (tebipenem pivoxil hydrobromide), an oral carbapenem-class antibiotic to treat complicated urinary tract infections, including pyelonephritis for adult patients, which is in Phase 3 development; and SPR720, a novel product candidate for first-line treatment of nontuberculous mycobacterial (NTM) pulmonary disease. It has license agreement with Meiji Seika Pharma Co., Ltd. to support the development of tebipenem HBr; Everest Medicines to develop, manufacture, and commercialize SPR206 in Greater China, South Korea, and Southeast Asian countries; and Vertex Pharmaceuticals Incorporated for patents relating to the oral prodrug SPR720, as well as SPR719, an active metabolite. Spero Therapeutics, Inc. was founded in 2013 and is headquartered in Cambridge, Massachusetts.
Long Name Spero Therapeutics, Inc.
Market us_market
Market Cap 158,622,688
Market State REGULAR
Max Age 86,400
Message Board Id finmb_240573619
Most Recent Quarter 1,767,139,200
Net Income To Common 8,572,000
Next Fiscal Year End 1,798,675,200
Non Diluted Market Cap 155,149,201
Number Of Analyst Opinions 1
Open 2.73
Operating Cashflow -12,624,000
Operating Margins 0.76047
Payout Ratio 0.0
Phone 857 242 1600
Previous Close 2.68
Price Hint 4
Price To Book 2.6195028
Price To Sales Trailing12 Months 2.37452
Profit Margins 0.12832
Quick Ratio 7.403
Quote Source Name Nasdaq Real Time Price
Quote Type EQUITY
Recommendation Key none
Region US
Regular Market Change 0.059999943
Regular Market Change Percent 2.2372177
Regular Market Day High 2.78
Regular Market Day Low 2.65
Regular Market Day Range 2.65 - 2.78
Regular Market Open 2.73
Regular Market Previous Close 2.68
Regular Market Price 2.74
Regular Market Time 1,776,454,761
Regular Market Volume 299,150
Return On Assets 0.04986
Return On Equity 0.16305
Revenue Growth 1.745
Revenue Per Share 1.192
Sand P52 Week Change 0.36506534
Sector Healthcare
Sector Disp Healthcare
Sector Key healthcare
Shares Outstanding 57,891,493
Shares Percent Shares Out 0.0105
Shares Short 605,311
Shares Short Previous Month Date 1,772,150,400
Shares Short Prior Month 574,027
Short Name Spero Therapeutics, Inc.
Short Percent Of Float 0.0127
Short Ratio 1.88
Source Interval 15
State MA
Symbol SPRO
Target High Price 4.0
Target Low Price 4.0
Target Mean Price 4.0
Target Median Price 4.0
Total Cash 40,265,000
Total Cash Per Share 0.696
Total Debt 2,895,000
Total Revenue 66,802,000
Tradeable 0
Trailing Annual Dividend Rate 0.0
Trailing Annual Dividend Yield 0.0
Trailing Eps 0.15
Trailing P E 18.266666
Trailing Peg Ratio None
Triggerable 1
Two Hundred Day Average 2.316425
Two Hundred Day Average Change 0.42357492
Two Hundred Day Average Change Percent 0.18285717
Type Disp Equity
Volume 299,150
Website https://sperotherapeutics.com
Zip 2,139