"A Thin Red Line" On The Bollinger Band

FX:SPX500   S&P 500 index of US listed shares
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Bollinger Bands weekly

The S&P 500             is locked in a 100 point trading range (2040-2140) since March because of a serious split in sector performance. At less than 5% this is the narrowest range in several years. Note that Bollinger Bandwidth on the weekly chart reached a 20+ year low in July. This means the Bollinger Bands are at their narrowest in over 20 years. How's that for a contraction. John Bollinger theorized that a volatility expansion often follows a volatility contraction. Chartists, therefore, should prepare for significant move in the coming weeks or months.

The upper and lower bands mark the first levels to watch for a directional clue. With the index hitting 52-week highs in February, May and July, the overall trend is up and this favors further upside. I would use the lower Bollinger Band and March-July lows to mark key support in the 2040-2060 area. A weekly close below 2040 would show enough selling pressure to forge a support break and suggest a trend change.

I post my updates on my Twitter profile first.
You can see my 2 latest updates on the SP500             by following this links:

Bearish: https://twitter.com/BLawrenceM/status/626874602338287621

Bullish: https://twitter.com/BLawrenceM/status/626915564250886144

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Best to your trading!

Music at work: Hans Zimmer Thin Red Line:

Courtesy Arthur Hill            
News update on $DJIA and $SPX https://twitter.com/BLawrenceM/status/628486386967048192

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