Educational only, not financial advice or a strategy recommendation. Options strategies carry risk, including of substantial loss. NoVo trades long single options; the strategies here are explained for understanding, not endorsed.
Defined-risk trades have a known, capped maximum loss; undefined-risk trades can lose far more than expected — potentially unlimited. This distinction matters more than any specific strategy, especially on leveraged 0DTE.
Defined risk
With a defined-risk trade, you know your worst case before you enter. Buying options is defined-risk (max loss = premium). Spreads (condors, credit spreads, butterflies) are defined-risk (the long legs cap the loss). You can size precisely because the downside is bounded — the foundation of risk management.
Undefined risk
Undefined-risk trades — naked short strangles, short straddles, naked short options — can lose far more than the premium collected, potentially without limit. They collect more premium and win often, but a single large move can produce a catastrophic loss. On 0DTE with maximum gamma, that move can happen in minutes.
Defined risk means you know the worst case; undefined risk means you don’t. On leveraged 0DTE, “I don’t know my worst case” is how accounts die.
Why it matters most
You can survive a defined-risk loss (it’s bounded and sized); an undefined-risk loss can end you. That’s why NoVo trades only defined-risk long options — the max loss is always the premium, never a surprise. Whatever you trade, know whether your risk is defined; on 0DTE, it should almost always be.