Latest / The Day Trading Podcast with Fexingo: Active Trading, Charts, and Short-Term Market Strategy / How Day Traders Read the Volatility Smile for Reversals
Transcript
- Lucas: Volatility smile. It's one of those options market concepts that sounds theoretical, but if you trade short-term, it's actually giving you a read on fear and greed in real time. Luna: I feel like most day traders I know ignore the smile entirely. They look at price, volume, maybe VIX. But the shape of the volatility curve? That seems like something for the quant desk. Lucas: Right, and that's exactly why there's an edge there. Because the smile — or skew, more precisely — captures where options traders are pricing in tail risk. And when that skew gets extreme, it often precedes a reversal in the underlying. Luna: So let's define it quickly. The volatility smile is the curve you get when you plot implied volatility across strike prices for the same expiration. Usually it's a slight smirk — higher IV on the downside puts and on the upside calls, with a dip in the middle. Lucas: Exactly. In a normal market, you see a bit of a skew toward puts, because investors hedge downside more than they speculate on upside. But when that skew steepens dramatically — say, puts are pricing in a 30 percent implied move while calls are only pricing 15 percent — that's a signal that fear is concentrated. Luna: And when fear is that concentrated, often the selling is overdone. We've seen this play out a bunch of times this year. Late May, the VIX spiked to 18, the smile was heavily tilted to puts, and within two days the market ripped higher. Lucas: Right now, looking at July 6, 2026, the VIX is at 15.57, down over 5 percent this week. The VVIX — that's the volatility of volatility — is at 87, also declining. So we're in a complacent environment. But a flat, narrow smile is actually the opposite signal: it means no one is hedging, and that's when you can get a sudden shock. Luna: So on the day-to-day level, how does a day trader actually use this? I mean, we're not buying options spreads — we're looking at price action. Lucas: Great question. You don't need to trade options to use the smile. You just need access to options chain data, which most brokers offer. What you're looking for is a significant imbalance in the implied volatility of out-of-the-money puts versus out-of-the-money calls on a liquid stock. Apple is a perfect example. Lucas: Let's say Apple is trading at 220. You pull up the weekly options expiring in three days. The 210 put has an implied volatility of 28 percent, while the 230 call has an IV of 18 percent. That's a 10-point skew. Historically, when that gap widens beyond a certain threshold, Apple tends to reverse upward within the next one to two days. Luna: Is there a specific ratio you look for? Like the put IV divided by call IV? Lucas: I like to look at the difference in IV percentage points, but some traders use the 25-delta skew. That's the implied volatility of the 25-delta put minus the 25-delta call. If that number is above, say, 5 or 6 for a large-cap stock, it's a potential reversal signal. For smaller caps, the threshold is higher because options are less liquid. Luna: So you're saying if the put skew is extreme, you'd look to buy the stock or go long, expecting a bounce? Lucas: Exactly, but with a caveat. The smile is a contrarian indicator — it tells you when fear is priced in. But you still need price confirmation. I never take a trade based solely on skew. I wait for price to show a reversal pattern — a hammer candlestick, a bullish engulfing, or a bounce off a key moving average. The skew is the filter, not the trigger. Luna: That makes sense. Because the smile could be steep for a reason — maybe there's real fundamental risk. Remember the regional bank turmoil in 2023? The skew on banks was massive, and it was justified. Lucas: Right, you always have to consider context. If the skew is driven by a specific news event — earnings, regulatory action, a downgrade — then it might be rational, not emotional. The best trades come when the skew is extreme without a clear catalyst, when it's just general hedging flow exaggerating the price. Lucas: And on the flip side, a flat smile — where puts and calls have nearly identical IV — signals complacency. That's when you want to be cautious about long positions, especially if the market has been rallying. Flat smiles often precede a volatility spike. Luna: So let's talk about right now. VIX is low, smile is probably relatively flat on the major indices. Are you saying the market is set up for a volatility surprise? Lucas: It's possible. The S&P 500 is at 7,537, up 1.3 percent this week. The Dow is at 53,056. Both are near highs. But the Russell 2000 is flat — small caps are lagging. That divergence itself is interesting. The smile on IWM, the small-cap ETF, might show a different story. I'd check the skew there. Luna: I think that's the key takeaway: don't just look at the VIX. Look at the smile on the specific stock or ETF you're trading. It adds a layer of information most retail traders ignore. Lucas: Exactly. And it's free data. Every broker gives you the options chain. You just have to calculate the IV at a couple of strikes. Once you start seeing the pattern, it becomes a natural part of your pre-trade checklist. Luna: You know, I think that's something our listeners can actually use tomorrow morning. And honestly, if today's episode has given you a new tool to think about your trades, that's the kind of thing that makes this show worth supporting. Lucas: 100 percent. If this helps you avoid one bad trade or catch one good reversal, it's worth more than the price of a coffee. And if you feel that way, you can toss a few bucks our way at buy me a coffee dot com slash fexingo. Luna: It's not a subscription, it's not a patreon — it's just a way to say 'hey, this helped.' And it keeps the show ad-free and focused on the content. Lucas: Right. So back to the smile — one more practical example. Yesterday, I was scanning the options chain on NVIDIA, which trades as N-V-D-A. The weekly 110 put had an IV of 32 percent, while the 130 call had IV of 22 percent. That's a 10-point skew. The stock had been selling off for three days. I waited for price to form a double bottom on the 5-minute chart, then went long. It bounced 2 percent intraday. Luna: Nice. So the smile gave you the edge, and price gave you the entry. That's the combo. Lucas: Exactly. And the reverse works too. If the call skew is unusually high — say, calls are priced at a higher IV than puts — that's a sign of excessive bullishness. You might look for a short opportunity. That's less common, but it happens during mania phases. Luna: All right, so let's wrap with a rule of thumb. When should a day trader check the smile? Lucas: First thing in the morning, during your pre-market scan. Look at the stocks on your watchlist. Check the options chain for the nearest expiration. Note if there's a significant skew — more than 5 percentage points for large caps, more than 8 for mid caps. Then overlay that with technical levels. If the skew supports the reversal pattern you see, that's a higher-probability setup. Luna: And if the smile is flat, what do you do? Lucas: If the smile is flat and the market is trending, you can still trade the trend — but be aware that a volatility spike could happen any time. Tighten your stops, reduce position size. The flat smile is a warning, not a stop sign. Luna: Good. And if the skew is extreme but price hasn't confirmed, you wait. Lucas: You wait. Patience is the edge. The smile tells you the market is emotional. Price tells you when the emotion shifts. Combine them, and you've got a repeatable strategy. Luna: All right, Lucas. Good stuff. Next episode, maybe we'll dive into how the smile behaves around earnings. Lucas: That's a great idea. Earnings weeks are where the smile really comes alive. We'll see you then.