There are many different tools to determine whether a company is profitable or not. One of the most popular ratios is the “Return on Assets” (aka ROA). This score indicates how profitable a company is relative to its total assets. The Return on Assets for Tullow Oil plc (LSE:TLW) is 0.021722. This number is calculated by dividing net income after tax by the company’s total assets. A company that manages their assets well will have a higher return, while a company that manages their assets poorly will have a lower return.

Investors are often faced with difficult decisions when trading the equity market. Sometimes, the decision to sell a certain stock may be just as important as the decision to buy the stock in the first place. Individual investors may have done the research, had some good fortune, and are now dealing with a big winner in the portfolio. Even though a stock has had a big run, it may be time to unload and take some profits. Holding on to a winner too long can eat into profits that may have been better spent getting into another promising name. On the flip side, investors may have trouble letting go of an underperforming portfolio loser. The emotional attachment to a stock can cause the investor to hold onto a stock for way too long. Maybe the stock was thoroughly researched, but it just keeps going lower. Being able to cut the ties instead of waiting for a bounce back may be beneficial for portfolio health in the long run.

Taking a step further we can take a look at various other valuation metrics. Tullow Oil plc (LSE:TLW) has a Price to Book ratio of 1.855173. This ratio is calculated by dividing the current share price by the book value per share. Investors may use Price to Book to display how the market portrays the value of a stock. Checking in on some other ratios, the company has a Price to Cash Flow ratio of 3.225185, and a current Price to Earnings ratio of 22.507869. The P/E ratio is one of the most common ratios used for figuring out whether a company is overvalued or undervalued.

The Free Cash Flor Yield 5yr Average is calculated by taking the five year average free cash flow of a company, and dividing it by the current enterprise value. Enterprise Value is calculated by taking the market capitalization plus debt, minority interest and preferred shares, minus total cash and cash equivalents. The average FCF of a company is determined by looking at the cash generated by operations of the company. The Free Cash Flow Yield 5 Year Average of Tullow Oil plc (LSE:TLW) is 0.078399.

The Return on Invested Capital (aka ROIC) for Tullow Oil plc (LSE:TLW) is -0.021426. The Return on Invested Capital is a ratio that determines whether a company is profitable or not. It tells investors how well a company is turning their capital into profits. The ROIC is calculated by dividing the net operating profit (or EBIT) by the employed capital. The employed capital is calculated by subrating current liabilities from total assets. Similarly, the Return on Invested Capital Quality ratio is a tool in evaluating the quality of a company’s ROIC over the course of five years. The ROIC Quality of Tullow Oil plc (LSE:TLW) is 6.593108. This is calculated by dividing the five year average ROIC by the Standard Deviation of the 5 year ROIC. The ROIC 5 year average is calculated using the five year average EBIT, five year average (net working capital and net fixed assets). The ROIC 5 year average of Tullow Oil plc (LSE:TLW) is -0.016732.

Tullow Oil plc (LSE:TLW) presently has a current ratio of 1.49. The current ratio, also known as the working capital ratio, is a liquidity ratio that displays the proportion of current assets of a business relative to the current liabilities. The ratio is simply calculated by dividing current liabilities by current assets. The ratio may be used to provide an idea of the ability of a certain company to pay back its liabilities with assets. Typically, the higher the current ratio the better, as the company may be more capable of paying back its obligations.

In terms of value, Tullow Oil plc (LSE:TLW) has a Value Composite score of 33. Developed by James O’Shaughnessy, the VC score uses five valuation ratios. These ratios are price to earnings, price to cash flow, EBITDA to EV, price to book value, and price to sales. The VC is displayed as a number between 1 and 100. In general, a company with a score closer to 0 would be seen as undervalued, and a score closer to 100 would indicate an overvalued company. Adding a sixth ratio, shareholder yield, we can view the Value Composite 2 score which is currently sitting at 42.

Quant Ranks (ERP5, Gross Margin, F Score)

The ERP5 Rank is an investment tool that analysts use to discover undervalued companies. The ERP5 looks at the Price to Book ratio, Earnings Yield, ROIC and 5 year average ROIC. The ERP5 of Tullow Oil plc (LSE:TLW) is 12507. The lower the ERP5 rank, the more undervalued a company is thought to be.

The Piotroski F-Score is a scoring system between 1-9 that determines a firm’s financial strength. The score helps determine if a company’s stock is valuable or not. The Piotroski F-Score of Tullow Oil plc (LSE:TLW) is 7. A score of nine indicates a high value stock, while a score of one indicates a low value stock. The score is calculated by the return on assets (ROA), Cash flow return on assets (CFROA), change in return of assets, and quality of earnings. It is also calculated by a change in gearing or leverage, liquidity, and change in shares in issue. The score is also determined by change in gross margin and change in asset turnover.

Investors may be interested in viewing the Gross Margin score on shares of Tullow Oil plc (LSE:TLW). The name currently has a score of 47.00000. This score is derived from the Gross Margin (Marx) stability and growth over the previous eight years. The Gross Margin score lands on a scale from 1 to 100 where a score of 1 would be considered positive, and a score of 100 would be seen as negative.

**Price Index**

The Price Index is a ratio that indicates the return of a share price over a past period. The price index of Tullow Oil plc (LSE:TLW) for last month was 1.14060. This is calculated by taking the current share price and dividing by the share price one month ago. If the ratio is greater than 1, then that means there has been an increase in price over the month. If the ratio is less than 1, then we can determine that there has been a decrease in price. Similarly, investors look up the share price over 12 month periods. The Price Index 12m for Tullow Oil plc (LSE:TLW) is 1.34643.

Price Range 52 Weeks

Some of the best financial predictions are formed by using a variety of financial tools. The Price Range 52 Weeks is one of the tools that investors use to determine the lowest and highest price at which a stock has traded in the previous 52 weeks. The Price Range of Tullow Oil plc (LSE:TLW) over the past 52 weeks is 0.943000. The 52-week range can be found in the stock’s quote summary.

Investors might be looking at various types of stocks that can be added to the portfolio. Selecting a wider range of equities may help the portfolio withstand prolonged market turmoil. Growth stocks typically have the potential to produce profit growth and above average revenues. Growth companies may reinvest a large amount of earnings back into the business. Fast growing companies can be attractive, but it may be important to verify whether or not shares are valued properly before buying in. Some investors may choose to select cyclical stocks. Cyclicals include companies that are very sensitive to the overall swings of the economy. Investors might also turn to adding foreign stocks to the portfolio. Keeping the portfolio diversified may end up being an important factor for longer-term investing success.

In trying to determine how profitable a company is per asset dollar, we can take a look at the firm’s Return on Assets. Return on assets is calculated by dividing a company’s net income (usually annual income) by its total assets, and is displayed as a percentage. At the time of writing, Serco Group plc (LSE:SRP) has 0.021354 ROA. The measure is commonly used to compare the performance of businesses within the same industry, since it is very difficult for someone to obfuscate the cash flow figure. Thus, the ratio is quite a reliable and comparable measure of asset performance across an industry.

Figuring out when to exit a certain position can be just as important as deciding which stocks to buy in the first place. Many investors will end up holding onto a loser for far too long. The emotional attachment to a particular stock may keep the investor from making the decision to sell when necessary. On the other side of the coin, investors may hold onto a winner for way too long hoping for further gains. Investors may have to come up with a specific plan for what to do in these situations. Planning ahead may help ease the burden of making the tough portfolio decisions.

Valuation Scores

Checking in on some valuation rankings, Serco Group plc (LSE:SRP) has a Value Composite score of 45. Developed by James O’Shaughnessy, the VC score uses five valuation ratios. These ratios are price to earnings, price to cash flow, EBITDA to EV, price to book value, and price to sales. The VC is displayed as a number between 1 and 100. In general, a company with a score closer to 0 would be seen as undervalued, and a score closer to 100 would indicate an overvalued company. Adding a sixth ratio, shareholder yield, we can view the Value Composite 2 score which is currently sitting at 50.

Serco Group plc (LSE:SRP) has a current MF Rank of 7496. Developed by hedge fund manager Joel Greenblatt, the intention of the formula is to spot high quality companies that are trading at an attractive price. The formula uses ROIC and earnings yield ratios to find quality, undervalued stocks. In general, companies with the lowest combined rank may be the higher quality picks.

The price to book ratio or market to book ratio for Serco Group plc (LSE:SRP) currently stands at 3.504999. The ratio is calculated by dividing the stock price per share by the book value per share. This ratio is used to determine how the market values the equity. A ratio of under 1 typically indicates that the shares are undervalued. A ratio over 1 indicates that the market is willing to pay more for the shares. There are often many underlying factors that come into play with the Price to Book ratio so all additional metrics should be considered as well.

Ever wonder how investors predict positive share price momentum? The Cross SMA 50/200, also known as the “Golden Cross” is the fifty day moving average divided by the two hundred day moving average. The SMA 50/200 for Serco Group plc (LSE:SRP) is currently 1.01531. If the Golden Cross is greater than 1, then the 50 day moving average is above the 200 day moving average – indicating a positive share price momentum. If the Golden Cross is less than 1, then the 50 day moving average is below the 200 day moving average, indicating that the price might drop.

The Leverage Ratio of Serco Group plc (LSE:SRP) is 0.193567. Leverage ratio is the total debt of a company divided by total assets of the current and past year divided by two. Companies take on debt to finance their day to day operations. The leverage ratio can measure how much of a company’s capital comes from debt. With this ratio, investors can better estimate how well a company will be able to pay their long and short term financial obligations.

**Volatility**

Stock volatility is a percentage that indicates whether a stock is a desirable purchase. Investors look at the Volatility 12m to determine if a company has a low volatility percentage or not over the course of a year. The Volatility 12m of Serco Group plc (LSE:SRP) is 28.590600. This is calculated by taking weekly log normal returns and standard deviation of the share price over one year annualized. The lower the number, a company is thought to have low volatility. The Volatility 3m is a similar percentage determined by the daily log normal returns and standard deviation of the share price over 3 months. The Volatility 3m of Serco Group plc (LSE:SRP) is 25.714100. The Volatility 6m is the same, except measured over the course of six months. The Volatility 6m is 25.647700.

**Quant Scores**

The Q.i. Value of Serco Group plc (LSE:SRP) is 53.00000. The Q.i. Value is a helpful tool in determining if a company is undervalued or not. The Q.i. Value is calculated using the following ratios: EBITDA Yield, Earnings Yield, FCF Yield, and Liquidity. The lower the Q.i. value, the more undervalued the company is thought to be.

The Piotroski F-Score is a scoring system between 1-9 that determines a firm’s financial strength. The score helps determine if a company’s stock is valuable or not. The Piotroski F-Score of Serco Group plc (LSE:SRP) is 4. A score of nine indicates a high value stock, while a score of one indicates a low value stock. The score is calculated by the return on assets (ROA), Cash flow return on assets (CFROA), change in return of assets, and quality of earnings. It is also calculated by a change in gearing or leverage, liquidity, and change in shares in issue. The score is also determined by change in gross margin and change in asset turnover.

The M-Score, conceived by accounting professor Messod Beneish, is a model for detecting whether a company has manipulated their earnings numbers or not. Serco Group plc (LSE:SRP) has an M-Score of -2.278401. The M-Score is based on 8 different variables: Days’ sales in receivables index, Gross Margin Index, Asset Quality Index, Sales Growth Index, Depreciation Index, Sales, General and Administrative expenses Index, Leverage Index and Total Accruals to Total Assets. A score higher than -1.78 is an indicator that the company might be manipulating their numbers.

The Gross Margin Score is calculated by looking at the Gross Margin and the overall stability of the company over the course of 8 years. The score is a number between one and one hundred (1 being best and 100 being the worst). The Gross Margin Score of Serco Group plc (LSE:SRP) is 49.00000. The more stable the company, the lower the score. If a company is less stable over the course of time, they will have a higher score.

Market slides can be troublesome for investors. When markets are moving lower, investors may become extra nervous about certain holdings. With the stock market reaching heightened levels, investors may not be putting too much though into the specific portfolio holdings. This can all change if there is a sudden downturn. Investors who have spent the hours researching their stock picks may be more confident when the tides inevitably turn. Putting in the time to regularly review stock holdings may assist the investor when certain adjustments need to be made. Focusing on developing and maintaining a solid plan may end up being a useful tool when obstacles eventually pop up down the line.