The S&P 500 SPDR (SPY) surged over 10% since late October and exceeded the higher Bollinger Band (125,1). This implies value is greater than 1 customary deviation above the 125-day SMA. Absolutely, this implies SPY is overbought. However is that this truly bearish? Historic proof means that that is extra bullish than bearish.
The chart under reveals Bollinger Bands(125,1). The center line is a 125-day SMA and the outer bands are 1 customary deviation above and under this line. 125 days represents round six months so I contemplate this a pattern indicator. A transfer above the higher band displays an outsized advance that may sign the beginning of an prolonged uptrend. Word that I’m solely concerned with bullish indicators right here.
As with all trend-following indicators, these indicators have their fair proportion of whipsaws, however additionally they catch some fairly good developments. The chart under reveals the final six indicators with 4 resulting in income (inexperienced arrow-lines) and two leading to losses (crimson arrow-lines). The 2 losses have been comparatively small (-.40% and -3.80%). Two of the 4 income have been additionally small (~2%). The bull run via 2017 generated a 19% revenue, whereas the bull run via 2021 returned 33%. In his ebook, Bollinger on Bollinger Bands, John Bollinger discusses how costs can stroll the band throughout robust developments. Discover how SPY walked the higher band through the robust uptrends in 2017 and 2021. These two huge developments greater than paid for the whipsaws.
Eight years just isn’t very lengthy so I went again to 1994 and examined this sign during the last thirty years. The desk under reveals outcomes versus buy-and-hold for SPY. The Bollinger Bands indicators produced a decrease Compound Annual Return (6.7% vs 7.9%), however the Common Drawdown was a lot much less (17.13% vs 37%). Avoiding huge drawdowns is essential. We are able to additionally see a 66% Win Fee and the Common Acquire (14.3%) is greater than thrice the common loss (-3.80%).
Bollinger Bands (125,1) are stable trend-following indicators. These work properly for uptrends, however not so good for downtrends as a result of the inventory market has a long-term upward bias. Indicators aren’t excellent, however the current transfer above the higher band is extra bullish than bearish. A detailed under the decrease band would to negate this sign.
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Current Studies at TrendInvestorPro:
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Arthur Hill, CMT, is the Chief Technical Strategist at TrendInvestorPro.com. Focusing predominantly on US equities and ETFs, his systematic strategy of figuring out pattern, discovering indicators throughout the pattern, and setting key value ranges has made him an esteemed market technician. Arthur has written articles for quite a few monetary publications together with Barrons and Shares & Commodities Journal. Along with his Chartered Market Technician (CMT) designation, he holds an MBA from the Cass Enterprise Faculty at Metropolis College in London.
