Weekly Options
What Are Weekly Options?
Weekly options, or "Weeklys," are options contracts that expire at the end of each week (usually Friday), offering traders shorter timeframes and lower premiums compared to standard monthly expirations.
Historically, standard options contracts expired only once a month, typically on the third Friday. In 2005, the CBOE introduced "Weeklys" to give traders more flexibility and precision. As the name suggests, these contracts are listed with approximately one week to live and usually expire on Fridays. Today, for highly liquid assets like the S&P 500 (SPY) or Nasdaq (QQQ), there are expirations available for every single day of the week (known as 0DTE), but the term "Weeklys" generally refers to these short-term contracts. Because weekly options have very little time until expiration, they carry less "time value" (Theta) than monthly or yearly contracts. This makes them significantly cheaper to buy upfront, allowing traders to control the same amount of stock with less capital. However, this cheapness comes with a trade-off: high risk. The probability of a weekly option expiring worthless is significant if the stock does not move immediately in the anticipated direction. They are designed for tactical, short-term moves rather than long-term investment strategies.
Key Takeaways
- Expire every Friday (and sometimes daily for major indices like SPX).
- Introduced by CBOE in 2005 to provide more trading precision.
- Have lower premiums due to less "time value" (Theta).
- Experience rapid time decay (Theta burn) as expiration approaches.
- Used for short-term speculation, trading earnings, or hedging specific events.
- Higher Gamma risk means prices react violently to underlying stock moves.
How Weekly Options Work
Trading weeklys requires a deep understanding of Option Greeks, specifically Theta and Gamma. Theta measures time decay. Since weeklys are near expiration, Theta accelerates exponentially. A weekly option can lose 30-50% of its value in a single day just from time passing, even if the stock price doesn't move. This makes them dangerous for buyers who hold too long but attractive for sellers looking to collect premium quickly. Gamma measures the rate of change of Delta. Weeklys have very high Gamma, which means their price is incredibly sensitive to the underlying stock's movement. If the stock moves in your favor, the option's value can explode by 100%, 200%, or more in minutes. Conversely, a small move against you can wipe out the entire position. Traders use weeklys for specific strategies: "Earnings Plays" to capture volatility around quarterly reports, "Income Generation" by selling Covered Calls or Cash-Secured Puts to harvest rapid time decay, and "Gamma Scalping" to capture quick intraday moves.
Real-World Example: Buying the Dip
Stock XYZ is trading at $150 on Tuesday. You think it will bounce to $155 by Friday.
Important Considerations
Trading weekly options is not for the faint of heart. Liquidity is a primary concern; while popular stocks like AAPL and TSLA have robust markets for weeklys, many smaller stocks do not, leading to wide bid-ask spreads that eat into profits. Pin risk is another danger for sellers; if you sell a weekly option and the stock closes exactly at the strike price on Friday, you face uncertainty about whether you will be assigned (forced to buy/sell shares) over the weekend. Most importantly, beginners often fall into the trap of over-trading. Because weeklys are cheap, they are frequently treated like lottery tickets. Traders may buy them constantly, hoping for a big win, only to bleed their account dry through a series of 100% losses. Discipline and strict risk management are essential when dealing with such volatile instruments.
Common Beginner Mistakes
Avoid these errors when trading weeklys:
- Buying Out-of-the-Money (OTM) calls on Friday hoping for a miracle (Lotto tickets).
- Ignoring Theta decay (holding a long position over the weekend is usually bad for near-term weeklys).
- Selling weeklys for income without understanding assignment risk.
- Trading illiquid weeklys with wide bid-ask spreads.
FAQs
Monthly options expire on the third Friday of the month. Weekly options expire on other Fridays (or even daily). Weeklys are cheaper but decay faster.
Yes. Because they have less time to recover from a move against you, the probability of a total loss (100%) is higher than with longer-dated options.
Most large-cap stocks (Apple, Tesla, NVIDIA), ETFs (SPY, QQQ, IWM), and major indices (SPX, NDX) have weekly options available.
0DTE stands for "Zero Days to Expiration." It is a weekly option traded on its final day of life. It is the most volatile and risky form of option trading.
Sellers love the rapid time decay (Theta). By selling a weekly option that is likely to expire worthless, they can generate consistent weekly income, provided they manage the risk.
The Bottom Line
Weekly options have democratized access to leverage and precision trading strategies. They allow traders to target specific events—like a Fed meeting or an earnings release—without paying for months of unnecessary time value. For the skilled speculator, the high Gamma offers explosive returns. For the income investor, the rapid Theta decay offers a steady stream of premium. However, they are a double-edged sword. The same mechanism that creates 200% gains can wipe out an investment in hours. They require active management, strict discipline, and a thorough understanding of the Greeks. Weeklys are not "investment" vehicles; they are tactical trading tools for those who can time the market with precision.
Related Terms
More in Options Trading
At a Glance
Key Takeaways
- Expire every Friday (and sometimes daily for major indices like SPX).
- Introduced by CBOE in 2005 to provide more trading precision.
- Have lower premiums due to less "time value" (Theta).
- Experience rapid time decay (Theta burn) as expiration approaches.