By: Steve Smith
There are numerous measures that fall under the “sentiment indicator” category, ranging from simple bull/bear opinion polls to more data driven metrics, like market breadth, to margin debt levels.
All tend to work. That is, they provide a predictive clue to where the market (or an individual stock) might be heading when a reading reaches an extreme; at that point it acts as a ‘contrary indicator. That is, if everyone is wildly bullish, it might suggest a top or high is in place and we can expect a near term pullback or sell-off.
The indicators for options trading are no different. The two main option gauges that try to measure sentiment are implied volatility, as based on the VIX, and the put/call ratio. These usually work best as contrary indicators to flag bottoms or lows; when volatility spikes and put buying reaches an extreme, it suggests fear or panic has peaked, and the selling that was causing it should abate.
But occasionally option gauges, the put/call reading more so than the VIX, can indicate overly bullish or euphoric state of mind, suggesting a sell-off is near.
Such a reading occurred last week in the ISEE, which is actually a call/put ratio, when nearly 3 times as calls were purchased as puts.
As an aside, it’s worth noting the ISEE includes only opening purchases from retail accounts—meaning it strips out not only closing transactions, but also spreads or any activity from broker/dealers or market makers which could hedging activity—and therefore provides a very good look at sentiment.
Dana Lyons noticed the unusual spike in call buying last week, which happened to occur on a down day, and here’s his analysis of what it might mean:
We like to track metrics from the various stock options exchanges as a measure of stock market sentiment. Generally, when too many calls are being bought versus puts, it is a warning of overheated bullishness, and when put volume becomes extreme relative to calls, it can be a sign of excessive fear.
One particular indicator we used to track closely was the International Securities Exchange’s Call/Put Ratio on equity options (ISEE). For years, the ISEE was particularly helpful in signaling bullish or bearish extremes. We’re not sure what changed, however, in recent years the indicator has been of little to no value in that regard (in our assessment). We do still continue to monitor it, though, just in case it gives readings that raise our antennae. Yesterday’s reading did.
In the past, ISEE readings above 200, i.e., 2 calls bought per every put, have arguably been considered excessively bullish. There have not been nearly as many of these readings in recent years, so yesterday’s number was alarming to say the least. At a reading of 334, it was the highest ISEE recorded in 5 and a half years – and just the 10th ever above 300 since its 2006 inception.
Now, given the fact that we haven’t seen any ISEE readings close to this level in several years, it is possible that this figure was skewed irregularly by activity in a particular stock or stocks. If that’s the case, it may not be a true reflection of trader sentiment, in this case excessively bullish.
However, if we can take this ISEE figure at face value, there are a few potentially concerning aspects to it. First off, as the reading came on a solidly down day in the equity market, it would be concerning that traders are a little too comfortable B.T.D., aka, Buying The Dip. To us, that would be a telltale sign of complacency and a warning that more serious losses may be in store in the market to rid traders of said complacency.
The other concern, obviously, is the sheer magnitude of the reading and what has occurred following similar readings in the past. Again, there have been 9 other readings over 300, all occurring between 2010 and 2012. As the chart shows, a few readings occurred almost precisely at intermediate-term tops, e.g., prior to the Flash Crash in 2010, April 2011 and March 2012. The others occurred during the rally in late 2010 to early 2011, building to the 2011 top.
So, *if* this ISEE reading is to be taken at face value, it is not necessarily a death knell for the rally. But it would suggest that if an intermediate-term top was not at hand, then any further upside may be limited and temporary.
Then again, if the reading is a fluke, long live B.T.D.
Related: Is Retail Making a Comeback?
Steve Smith have been involved in all facets of the investment industry in a variety of roles ranging from speculator, educator, manager and advisor. This has taken him from the trading floors of Chicago to hedge funds on Wall Street to the world online. From 1987 to 1996, he served as a market maker at the Chicago Board of Options Exchange (CBOE) and Chicago Board of Trade (CBOT). From 1997 to 2007, he was a Senior Columnist and Managing Editor for TheStreet.com, handling their Option Alert and Short Report newsletters. The Option Alert was awarded the MIN “best business newsletter” in 2006. From 2009 to 2013, Smith was a Senior Columnist and Managing Editor for Minyanville’s OptionSmith newsletter, as well as a Risk Manager Consultant for New Vernon Capital LLC. Smith acted as an advisor to build models and option strategies to reduce portfolio exposure and enhance returns for the four main funds. Since 2015, he has worked for Adam Mesh Trading Group. There, he has managed Options360 and Earning 360, been co-leader of Option Academy, and contributed to The Option Specialist website.
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