Momentum investing is all about the idea of following a stock's recent trend, which can be in either direction. In the 'long' context, investors will essentially be "buying high, but hoping to sell even higher." And for investors following this methodology, taking advantage of trends in a stock's price is key; once a stock establishes a course, it is more than likely to continue moving in that direction. The goal is that once a stock heads down a fixed path, it will lead to timely and profitable trades.

While many investors like to look for momentum in stocks, this can be very tough to define. There is a lot of debate surrounding which metrics are the best to focus on and which are poor quality indicators of future performance. The Zacks Momentum Style Score, part of the Zacks Style Scores, helps address this issue for us.

Below, we take a look at OSI Systems (OSIS), which currently has a Momentum Style Score of B. We also discuss some of the main drivers of the Momentum Style Score, like price change and earnings estimate revisions.

It's also important to note that Style Scores work as a complement to the Zacks Rank, our stock rating system that has an impressive track record of outperformance. OSI Systems currently has a Zacks Rank of #2 (Buy). Our research shows that stocks rated Zacks Rank #1 (Strong Buy) and #2 (Buy) and Style Scores of A or B outperform the market over the following one-month period.

You can see the current list of Zacks #1 Rank Stocks here >>>

Set to Beat the Market?

In order to see if OSIS is a promising momentum pick, let's examine some Momentum Style elements to see if this airport security and full-body scanner manufacturer holds up.

A good momentum benchmark for a stock is to look at its short-term price activity, as this can reflect both current interest and if buyers or sellers currently have the upper hand. It's also helpful to compare a security to its industry; this can show investors the best companies in a particular area.

For OSIS, shares are up 11.49% over the past week while the Zacks Electronics - Miscellaneous Components industry is up 3.47% over the same time period. Shares are looking quite well from a longer time frame too, as the monthly price change of 28.89% compares favorably with the industry's 8.21% performance as well.

While any stock can see its price increase, it takes a real winner to consistently beat the market. That is why looking at longer term price metrics -- such as performance over the past three months or year -- can be useful as well. Shares of OSI Systems have increased 8.59% over the past quarter, and have gained 65.88% in the last year. On the other hand, the S&P 500 has only moved -5.55% and 13.72%, respectively.

Story Continues

Investors should also pay attention to OSIS's average 20-day trading volume. Volume is a useful item in many ways, and the 20-day average establishes a good price-to-volume baseline; a rising stock with above average volume is generally a bullish sign, whereas a declining stock on above average volume is typically bearish. OSIS is currently averaging 222,060 shares for the last 20 days.

Earnings Outlook

The Zacks Momentum Style Score encompasses many things, including estimate revisions and a stock's price movement. Investors should note that earnings estimates are also significant to the Zacks Rank, and a nice path here can be promising. We have recently been noticing this with OSIS.

Over the past two months, 2 earnings estimates moved higher compared to none lower for the full year. These revisions helped boost OSIS's consensus estimate, increasing from $9.26 to $9.29 in the past 60 days. Looking at the next fiscal year, 1 estimate has moved upwards while there have been no downward revisions in the same time period.

Bottom Line

Given these factors, it shouldn't be surprising that OSIS is a #2 (Buy) stock and boasts a Momentum Score of B. If you're looking for a fresh pick that's set to soar in the near-term, make sure to keep OSI Systems on your short list.

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OSI Systems, Inc. (OSIS):Free Stock Analysis Report

This article originally published on Zacks Investment Research (zacks.com).

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