Naked Option
A naked option is a short options position — either a call or put — where the seller does not hold any offsetting position in the underlying stock or another option to hedge the risk, leaving them exposed to potentially unlimited or very large losses.
Selling options without any hedging position is referred to as writing naked options, and it is one of the highest-risk strategies in the options market. A naked call is sold without owning the underlying shares; if the stock surges dramatically, the seller must deliver shares at the strike price regardless of where the market is trading, creating theoretically unlimited loss potential. A naked put carries large but technically limited risk — limited because a stock can only fall to zero — but this can still represent a substantial loss relative to the premium collected.
Naked options are primarily used by sophisticated traders and institutions who have the capital base to absorb adverse moves and are willing to accept short volatility exposure in exchange for premium income. In practice, naked calls on individual U.S. equities carry the most extreme risk profile, particularly for stocks with high short interest or those prone to gap moves following earnings. The losses in historical cases — such as short calls on GameStop (GME) in January 2021 during its famous short squeeze — illustrate how quickly naked positions can become catastrophic.
Because of their risk profile, FINRA and the CBOE require brokers to impose strict approval requirements before allowing customers to sell naked options. Most retail brokerage accounts limit options trading to lower approval levels that do not include naked calls. Level 5 (or equivalent) options approval — typically reserved for margin account holders with substantial account size and experience — is required to sell uncovered calls. Naked puts are sometimes treated less strictly because the maximum loss is bounded by the stock reaching zero.
Margin requirements for naked options are substantially higher than for covered or spread positions. Under Regulation T and broker-specific house margin rules, the seller of a naked option must maintain a margin deposit based on a formula involving the option premium, a percentage of the underlying stock price, and any in-the-money amount. These requirements fluctuate daily with the underlying and can increase sharply during volatile market conditions — sometimes triggering margin calls.
For educational purposes, naked options occupy the opposite end of the risk spectrum from defined-risk strategies like vertical spreads. While the maximum profit of a naked option is always limited to the premium received, the maximum loss is open-ended for naked calls and very large for naked puts — a fundamentally asymmetric risk profile that demands extreme diligence in position sizing and risk monitoring.