Harnessing Monthly Volatility: ExpMonthly Strategy

Finance Published: February 20, 2013
BACDIAVIX

Analysis: Expmonthly

Have you ever wondered why some traders seem to consistently profit from market volatility, while others struggle? The secret may lie in a strategy known as expiring monthly options. But what exactly is this strategy, and how can investors leverage it for their portfolios?

The Expiring Monthly Options Strategy: Harnessing the Power of Volatility

At its core, the expiring monthly options strategy involves buying out-of-the-money (OTM) put options on an underlying asset, typically a stock or index ETF, with expiration dates that fall within the month. The goal is to profit from increased volatility leading up to the expiration date.

For instance, consider trading CBOE Volatility Index (VIX) options expiring monthly. One might buy VIX puts near the money, expecting an increase in volatility towards month-end. If this prediction holds true, one could likely see the option's price increase, allowing for profitable selling before expiration.

Understanding the Mechanics: Options Expiration and Volatility

The primary driver of this strategy is the tendency for options' implied volatilities to rise as their expiration dates approach. This phenomenon, known as "volatility skew," creates an opportunity for traders to buy cheap OTM puts and sell them at higher prices later.

For example, consider the options on SPDR S&P 500 ETF (SPY). In late February 2013, one might have bought April 155 puts for around $4. By mid-March, as expiration approached and volatility increased, those puts could be worth over $6 – a significant profit.

Portfolio Implications: Risks and Opportunities

Implementing the expiring monthly strategy can significantly impact portfolios, particularly during volatile markets. Here's how:

1. Risks: Buying deep OTM puts exposes investors to substantial risk if the underlying price rises dramatically before expiration. 2. Opportunities: Conversely, this strategy can generate significant profits when volatility increases, as seen in late 2018 or early 2020.

For instance, during February 2020's market downturn, an expiring monthly put strategy on BAC could have yielded substantial profits, given the increased volatility and Bank of America's stock price decline. However, entering such a trade near January peaks might have resulted in significant losses due to the subsequent rally.

Practical Implementation: Timing and Challenges

Successfully implementing this strategy requires accurate timing and understanding potential challenges:

1. Timing: Buy options well before expiration to capitalize on rising implied volatilities. Selling too early may result in leaving profits on the table, while selling too late could lead to losses due to time decay. 2. Challenges: This strategy involves managing both delta and theta risks. Delta risk arises from adverse price movements in the underlying asset, while theta risk emerges as expiration approaches.

To mitigate these challenges, investors should monitor market conditions closely, adjust positions accordingly, and maintain adequate capital reserves for margin requirements.