Name the tail

Short call without the coins or a long call wing: losses grow as the underlying rips. Short put without cash/coin cover or a long put wing: losses grow as it crashes. Expiry hockey-stick diagrams understate path risk because margin is marked intra-day (and intra-night).

Covered calls and cash-secured-style puts are different products. Do not borrow their calm reputation for a naked short.

Why the premium looks attractive

High IV, fat weekend premium, elevated put skew — all of that is the market charging you for the tail. Selling it is a view that realized will be kinder than implied. Sometimes that is true. When it is false, it is fast.

IV percentile “high” is not a sell signal by itself. Check the event calendar.

Margin is the real strike

Your first stop-out is often the venue risk engine, not your mental stop. Portfolio margin can hide concentration until vol jumps. Insurance funds and ADL are downstream of other people’s liquidations.

Read liquidation-risk and portfolio-margin. Then read the venue’s actual spec on /venue and on their site.

Defined-risk alternatives

Credit spreads and iron condors cap the nightmare at width minus credit. You collect less. That is the point. Ratio shorts re-create a naked tail — they are not a safer short.

If the only way the trade “works” is naked, the trade may be working by hiding risk.

Management

Pre-commit: buy the wing at X, or delta-hedge, or reduce. In the tape, spreads will be worse than your plan. That is why the plan must be cheaper than your pain threshold.

How-to-manage-losing-options is the companion.

Practice this on OptionsMatch

Plot a naked short versus the same short with a wing in /t/btc/strategy. Look at gamma on /t/btc/greeks. This is a warning guide, not a how-to-sell-nakes tutorial.

Advanced risk education only.