SPRO251017P00002500 Option on Spero Therapeutics

SPRO Stock  USD 2.41  0.09  3.88%   
SPRO251017P00002500 is a PUT option contract on Spero Therapeutics' common stock with a strick price of 2.5 expiring on 2025-10-17. The contract was not traded in recent days and, as of today, has 86 days remaining before the expiration. The option is currently trading at a bid price of $0.2, and an ask price of $0.85. The implied volatility as of the 23rd of July is 86.0.
A put option written on Spero Therapeutics becomes more valuable as the price of Spero Therapeutics drops. Conversely, Spero Therapeutics' put option loses its value as Spero Stock rises.

Rule 16 of 2025-10-17 Option Contract

The options market is anticipating that Spero Therapeutics will have an average daily up or down price movement of about 0.0651% per day over the life of the option. With Spero Therapeutics trading at USD 2.41, that is roughly USD 0.001568. If you think that the market is fully understating Spero Therapeutics' daily price movement you should consider buying Spero Therapeutics options at that current volatility level of 1.04%. But if you have an opposite viewpoint you should avoid it and even consider selling them.

In The Money Put Option on Spero Therapeutics

An 'In The Money' option is one with a strike price that the current stock price has already surpassed. Some options investors can hedge their Spero Therapeutics positions using in-the-money options. They may also want to buy options with some intrinsic value, not just time value. However, because in-the-money options on Spero Stock have intrinsic value and are priced higher than out-of-the-money options in the same chain, their volatilities are relatively smaller.
Put Contract NameSPRO251017P00002500
Expires On2025-10-17
Days Before Expriration86
Vega0.004601
Gamma0.321424
Theoretical Value0.52
Open Interest3175
Strike Price2.5
Last Traded At0.45
Current Price Spread0.2 | 0.85
Rule 16 Daily Up or DownUSD 0.001568

Spero short PUT Option Greeks

Spero Therapeutics' Option Greeks for the contract ending on 2025-10-17 at a strike price of 2.5 measures the various factors that affect its cost and calculated using a theoretical options pricing model. It helps investors make more informed decisions about whether to trade this option contract or when to trade it. In addition to Spero Therapeutics' option greeks, its implied volatility helps estimate the risk of Spero Therapeutics stock implied by the prices of the options on Spero Therapeutics' stock.
Delta-0.422415
Gamma0.321424
Theta-0.002601
Vega0.004601
Rho-0.003026

Spero long PUT Option Payoff at expiration

Put options written on Spero Therapeutics grant holders of the option the right to sell a specified amount of Spero Therapeutics at a specified price within a specified time frame. The put buyer has a limited loss and, while not fully unlimited gains, as the price of Spero Stock cannot fall below zero, the put buyer does gain as the price drops. So, purchasing a put option on Spero Therapeutics is like buying insurance aginst Spero Therapeutics' downside shift.
   Profit   
       Spero Therapeutics Price At Expiration  

Spero short PUT Option Payoff at expiration

By selling Spero Therapeutics' put option, the investors signal their bearish sentiment. A short position in a put option written on Spero Therapeutics will generally make money when the underlying price is above the strike price. Therefore Spero Therapeutics' put payoff at expiration depends on where the Spero Stock price is relative to the put option strike price. The breakeven price of 1.98 is the critical point that divides the payoff function into two parts. Below the breakeven price, the payoff is dropping and negative (the seller makes a loss). Above the breakeven price, the payoff line is upward sloping as the option payoff increases in proportion to Spero Therapeutics' price. Finally, at the strike price of 2.5, the payoff chart is constant and positive.
   Profit   
       Spero Therapeutics Price At Expiration  
View All Spero Therapeutics Options

Spero Therapeutics Available Put Options

Spero Therapeutics' option chain is a display of a range of information that helps investors for ways to trade options on Spero. In general, an option chain provides a helpful tool for investors to see all available option contracts, both puts, and calls, for Spero. It also shows strike prices and maturity days for a Spero Therapeutics against a given expiration period. The table below combines all the option information in the form of a chain but before you use it, remember that it entails significant risk and it is not for everyone.
Open IntStrike PriceCurrent SpreadLast Price
 Put
SPRO251017P0000750007.53.6 - 6.23.6In
 Put
SPRO251017P00005000215.01.45 - 3.82.48In
 Put
SPRO251017P0000250031752.50.2 - 0.850.45In

Spero Therapeutics Corporate Management

Satyavrat CFACFO TreasurerProfile
James BradyChief OfficerProfile
Ted JenkinsVP RelationsProfile
Ian CritchleyHead MicrobiologyProfile
Sheila FinanSenior ControllerProfile
John RaymondSenior OperationsProfile
When determining whether Spero Therapeutics offers a strong return on investment in its stock, a comprehensive analysis is essential. The process typically begins with a thorough review of Spero Therapeutics' financial statements, including income statements, balance sheets, and cash flow statements, to assess its financial health. Key financial ratios are used to gauge profitability, efficiency, and growth potential of Spero Therapeutics Stock. Outlined below are crucial reports that will aid in making a well-informed decision on Spero Therapeutics Stock:
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To learn how to invest in Spero Stock, please use our How to Invest in Spero Therapeutics guide.
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Is Biotechnology space expected to grow? Or is there an opportunity to expand the business' product line in the future? Factors like these will boost the valuation of Spero Therapeutics. If investors know Spero will grow in the future, the company's valuation will be higher. The financial industry is built on trying to define current growth potential and future valuation accurately. All the valuation information about Spero Therapeutics listed above have to be considered, but the key to understanding future value is determining which factors weigh more heavily than others.
Quarterly Earnings Growth
0.753
Earnings Share
(1.28)
Revenue Per Share
0.818
Quarterly Revenue Growth
(0.37)
Return On Assets
(0.37)
The market value of Spero Therapeutics is measured differently than its book value, which is the value of Spero that is recorded on the company's balance sheet. Investors also form their own opinion of Spero Therapeutics' value that differs from its market value or its book value, called intrinsic value, which is Spero Therapeutics' true underlying value. Investors use various methods to calculate intrinsic value and buy a stock when its market value falls below its intrinsic value. Because Spero Therapeutics' market value can be influenced by many factors that don't directly affect Spero Therapeutics' underlying business (such as a pandemic or basic market pessimism), market value can vary widely from intrinsic value.
Please note, there is a significant difference between Spero Therapeutics' value and its price as these two are different measures arrived at by different means. Investors typically determine if Spero Therapeutics is a good investment by looking at such factors as earnings, sales, fundamental and technical indicators, competition as well as analyst projections. However, Spero Therapeutics' price is the amount at which it trades on the open market and represents the number that a seller and buyer find agreeable to each party.