In the current bear market, understanding DeFi options is crucial for protecting capital. As DeFi project failures become common, investors must grasp the fundamentals of options to mitigate risks. Options allow investors to lock in future prices and rights, offering a strategic tool against market uncertainties. Options are characterized by their ability to separate rights and obligations, providing leverage without holding the underlying asset. This makes them attractive for hedging, speculation, and income generation. For instance, buying a put option can protect against asset depreciation, while selling call options can generate income during market stagnation. The options market is driven by hedging, speculation, and income generation needs. Understanding these motivations and the core elements of options—such as calls, puts, and the roles of buyers and sellers—can help investors navigate the complexities of DeFi and safeguard their investments in volatile markets.