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Options are a flexible investment tool that you can use to profit when the market declines.
Through options trading, you can effectively hedge risks while seizing opportunities presented by market volatility.
In the U.S. stock market, in particular, options provide various methods for shorting stocks, helping you generate returns when stock prices fall.
Understanding the basic principles and operations of options is a critical step toward successful investing.

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An option is a financial derivative that grants you the right, but not the obligation, to buy or sell an asset at a specific price at a certain time in the future.
It is divided into two types: call options and put options.
Call options allow you to buy an asset at a fixed price, while put options allow you to sell an asset at a fixed price.
Through options, you can flexibly manage investment risks while capturing opportunities from market volatility.
The price of an option is determined by multiple factors, including the price of the underlying asset, volatility, remaining time, and interest rates.
For example, during the 2008 financial crisis, the market volatility index (VIX) once surged above 80, while in the 1990s, it was as low as 9.
This volatility directly affects option pricing.
The main difference between call options and put options lies in their functions and use cases.
Call options are suitable when you believe the price of the underlying asset will rise, while put options are suitable when you predict the price will fall.
Here is a comparison of the two:
| Metric | Buying Call Options | Selling Put Options |
|---|---|---|
| Annualized Return | 18.47% | N/A |
| Maximum Drawdown | 11.11% | N/A |
| Calmar Ratio | 1.64 | N/A |
From these data, you can see that call options perform better in bull markets, while put options are an important tool in U.S. stock shorting methods.
Options play multiple roles in the U.S. stock market, helping investors achieve different goals:
For example, Amazon’s at-the-money options were priced at $130 in 2010, but today they reach $1,000.
This non-linear growth reflects changes in the company’s value and profitability, highlighting the importance of options in capturing long-term trends.
By understanding these basics, you can better master U.S. stock shorting methods and find investment strategies that suit you in the market.
Put options are one of the most commonly used tools in U.S. stock shorting methods.
They grant you the right to sell an underlying asset at a fixed price at a specific time in the future.
When you predict that a stock’s price will fall, you can profit by buying put options.
The basic principle is that when the stock price falls below the strike price, you can sell the stock at the higher strike price, earning the difference.
For example, if a stock’s current price is $100, you buy a put option with a strike price of $90.
When the stock price drops to $80, you can sell the stock at $90, earning a $10 per share profit.
Through this method, you can profit from a market decline without directly holding the stock.
Another advantage of put options is limited risk.
Even if the stock price rises, your maximum loss is limited to the premium paid for the option.
This feature makes put options a relatively safe U.S. stock shorting method.
Choosing the right underlying asset and strike price is key to successful options trading.
Here are some practical suggestions:
By reasonably selecting the underlying asset and strike price, you can improve the success rate of options trading and achieve higher returns in a declining market.
To short U.S. stocks through options trading, you need to follow these steps:
By following these steps, you can systematically conduct options trading and achieve profits in a declining market.
This approach is widely used by both individual and institutional investors.

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In a declining market, put options are an effective tool for generating profits.
The case of Luckin Coffee is a classic example.
Luckin was targeted by short-seller Muddy Waters due to financial fraud.
Muddy Waters released an 89-page report detailing issues with Luckin’s operational data.
This report directly caused Luckin’s stock price to plummet by over 20%.
If you had bought Luckin’s put options during this period, you could have profited from the stock price decline.
Here is specific statistical data illustrating the process of profiting from put options:
| Item | Single Arbitrage 1 | Hedged Arbitrage Total Investment | Return/Rate |
|---|---|---|---|
| Stock Price | 1.5150 | 1.5150 | |
| Put Option Premium | 0.0873 | 0.0005/0.0873 | |
| Call Option Premium | 0.0329 | 0.1557/0.0329 | |
| Strike Price | 1.60 | 1.35 | |
| Stock Holding | Buy | None | |
| Total Capital Investment (USD) | 17,444 | 4,798 | |
| Portfolio Return (USD) | 306 | 404 | |
| Return Rate | 1.75% | 8.42% |
As shown in the table, by offsetting with the underlying stock, the total capital requirement is significantly reduced, and the return rate is substantially improved.
This strategy is suitable for use in a declining market.
Options can not only be used for profit but also help you hedge risks.
The effectiveness of hedging risks with combined options strategies can be analyzed through the following key parameters:
| Key Parameter | Influencing Factor | Result Description |
|---|---|---|
| Replication Efficiency U | Mean and volatility of replication costs | Key indicator of overall quantitative strategy performance |
| Forecast Volatility Bias | Directly determines profit/loss of replication strategy | Volatility forecast error is the fundamental risk source |
| Trading Fees | Limits feasibility of frequent adjustments | Cost control is a key constraint for replication success |
| Investor Risk Preference | Leads to diversification in hedging strategy implementation | Generates operational and execution risks |
| Gamma Changes | Traditional Delta hedging struggles to address | Requires multi-dimensional replication like Gamma hedging |
| Whalley-Wilmott | Improves hedging utility | Dynamically adjusts hedging frequency and precision, reducing costs |
| Simulation Results | W-W method outperforms fixed-time hedging | Highest replication efficiency with reasonable risk aversion coefficients and fees |
By dynamically adjusting hedging frequency and precision, you can reduce costs while improving hedging utility.
This strategy is suitable for highly volatile market environments.
From the above case studies, you can summarize the following key lessons:
These lessons can help you better utilize options to profit in the U.S. stock market while effectively managing risks.
In options trading, risk management is the key to success.
Through effective risk control, you can protect capital, reduce losses, and achieve stable returns over the long term.
Here are some core risk management strategies to help you better navigate market uncertainties in options trading.
Controlling position sizing and setting stop-losses are the foundation of risk management.
Reasonable position allocation helps you stay calm during market volatility, while stop-loss strategies effectively limit potential losses.
Tip: A comprehensive trading plan should include steps for building positions, adding to positions, and setting stop-losses. By strictly following the plan, you can maintain discipline during market volatility and avoid emotional trading.
Option time value and volatility risk are two critical factors affecting option prices.
Understanding how these factors change can help you better evaluate the potential returns and risks of options.
Recommendation: Volatility typically rises significantly before major economic events or company earnings releases. Preparing strategies in advance can help you better manage time value and volatility risks.
In options trading, avoiding common investment pitfalls can significantly improve your success rate.
Here are some common mistakes and their countermeasures:
Note: Model interpretability is crucial for investors to understand trading strategies. Choose transparent models and enhance your understanding of strategy logic through education and communication.
By avoiding these pitfalls, you can better manage risks in options trading and improve investment success rates.
If you’re new to options trading, the following suggestions can help you get started quickly and avoid common mistakes:
Tip: Patience is key to success. Don’t rush for quick wins; gradually build experience and confidence.
Choosing a reliable options trading platform is critical to your investment success.
Here are some factors to consider when selecting a platform:
Note: When choosing a platform, prioritize those certified by regulatory authorities, such as FINRA or SEC-accredited platforms in the U.S.
The options market changes rapidly, and continuous learning and monitoring market dynamics are key to staying competitive.
Here are some practical methods:
Recommendation: Make learning and market analysis a daily habit. Even spending 15 minutes a day can help you stay attuned to the market.
By following these suggestions, you can continuously improve your skills and judgment in options trading, achieving greater success in the U.S. stock market.
Options are a flexible and powerful tool.
They help you navigate different market conditions in the U.S. stock market while achieving both profit and risk management goals.
With reasonable strategies, you can protect capital and generate returns in a declining market.
The following data showcases the long-term performance of options strategies:
| Strategy Type | Annualized Return | Annualized Volatility | Maximum Drawdown | Sharpe Ratio |
|---|---|---|---|---|
| Comprehensive Strategy | 6.07% | 7.07% | 7.26% | 0.86 |
| 300ETF-Related Strategy | 10.73% | N/A | 3.48% | 1.23 |
Starting with small investments is a wise choice.
You can gradually build experience, learn market dynamics, and optimize trading strategies.
Through continuous learning and practice, you’ll master options trading techniques and achieve long-term success in the U.S. stock market.
The premium is the fee you pay when purchasing an option.
Its price is determined by factors such as the underlying asset’s price, volatility, and remaining time.
The premium is the cost of options trading, and this fee is non-refunded even if you don’t exercise the option.
Tip: Higher premiums indicate greater potential returns but also higher risks.
Options can help reduce risks but cannot eliminate them entirely.
Market volatility, time value decay, and changes in implied volatility all affect option performance.
With reasonable risk management, you can minimize losses and improve returns.
Note: Even hedging strategies require periodic adjustments to adapt to market changes.
Beginners can start with simple strategies, such as buying call or put options.
These strategies have limited risk, are easy to operate, and are suitable for quick learning.
The capital required for options trading varies depending on the underlying asset and premium.
Typically, you can start trading with a few hundred dollars.
Compared to directly buying or selling stocks, options trading has a lower capital threshold.
Example: A put option for a stock with a $50 premium requires only that amount to participate in the trade.
When choosing an expiration date, consider your trading goals and market predictions.
Short-term options are suitable for quick profits, while long-term options (LEAPS) are suitable for capturing long-term trends.
| Expiration Type | Characteristics | Applicable Scenarios |
|---|---|---|
| Short-Term Options | Fast time value decay, low cost | Short-term volatility trading |
| Long-Term Options | Slow time value decay, high cost | Long-term trend investing |
Recommendation: Beginners can choose expiration dates of 1 to 3 months to balance risk and return.
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*This article is provided for general information purposes and does not constitute legal, tax or other professional advice from BiyaPay or its subsidiaries and its affiliates, and it is not intended as a substitute for obtaining advice from a financial advisor or any other professional.
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