One of my favorite breadth charts is the Bullish Percent Index. It isn’t as common as advance decline measures because it is based on point and figure charting.
Point and figure charting itself is based on pure price action and ignores both time and even small price movements. In P&F charts the X represents demand (or bid or buying) and the O supply (or selling). Unlike candlestick or bar charts, it is perfectly normal for a point and figure chart to not need to be updated (when price doesn’t move beyond a threshold either up or down). This is the great advantage of point and figure charts.
Other than that, the basics of technical analysis such as support and resistance apply to point and figure charts. Also, point and figure charts can provide systematic buy and sell signals - something that ‘normal’ charts leave open to the traders discretion. The simplest buy signal is the chart to the left - when price breaks above a previous high (without the column of O’s breaking below their previous low).
So to calculate a Bullish Percent Indexes, we simply take a look at each and every stock compromising an index and track how many of them out of the total constituents are in a point and figure buy signal. If, 120 out of the 500 stocks in the S&P 500 index are in a buy signal for example, then the Bullish Percent Index for the S&P 500 for that day would be 24%.
Doing this by hand would be extremely cumbersome, but thankfully we have computers that can do the calculations in a fraction of a second. Here is the chart of the Bullish Percent Index for the Nasdaq Composite:
According to the traditional interpretation, a Bullish Percent Index of 70% and higher is considered overbought. And if there it experiences a 6% (or more) decline, it will offer a sell signal. Personally, I prefer to not wait for the sell signal. Once you know that the market has weak legs, you can use other indicators to give you more short term guidance.
Right now we are seeing almost every single measure of the market provide extreme breadth levels from the Bullish Percent Index. Normally seeing the bullish percent indexes for so many markets and sectors reaching this high in synchronicity would be a red flag. However, there is an argument for such strong momentum to be a signal of a protracted rally.
This was the same concept that I shared earlier this week about incredibly powerful thrusts measured from the advance decline breadth. These short busts of powerful buying are usually precursors to lasting uptrends. Think of it as a turbo booster on a rocket which lifts it through the heavy atmosphere before it can glide easier through the thin air of space.
Consider that the last time the Nasdaq composite BPI was this high was back in 2003-2004 during a powerful bull market. It is the same case for the NYSE, and the Nasdaq 100 index. This is how overbought can become meaningless.
Bullish Percent for Major Indexes:
- NYSE Index — 77%
- Standard & Poor’s 500 — 83%
- Nasdaq Composite — 70.55%
- Nasdaq 100 Index — 90%
- Dow Jones Industrial — 77%
Bullish Percent for Sectors:
- Financial — 86%
- Consumer Discretionary — 79%
- Consumer Staples — 73%
- Energy — 60%
- Healthcare — 79%
- Technology — 87%
- Industrial — 71%
- Materials — 85%
- Telecom — 56%
- Utilities — 62%
- Transportation — 75%
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