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ANALYSING INVESTMENT RETURNS

Investment performanc­e is important. Let us understand some other forms of returns and what they mean to your investment­s

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ROLLING RETURNS:

It measures the average annualised returns over a specific period of time. It is helpful in gauging an investment’s historical performanc­e. Rolling return data for 10 years for the S&P BSE Sensex between January 1, 2010 and January 1, 2022 would cover the time between January 1, 2010 and January 1, 2020 after which you move the data by a year between January 1, 2011 and January 1, 2021 and finally January 1, 2012 and January 1, 2022. For extremely long periods, say, the 43 years between January 1, 1980 and January 1, 2022 for the Sensex, there will be 33 different 10year periods.

Rolling returns measure the daily, weekly and monthly performanc­e of any financial instrument, be it stocks, mutual funds or indices, from the start and end dates of a period. Rolling returns indicatee the probabilit­y of earning a certain percentage of returns. For instance, the 12 annual rolling returns between January 1, 2010 and January 1, 2022 indicates two occasions when the index made losses and posted negative returns.

IRR (INTERNAL RATE OF RETURN):

When investing through SIPs in mutual funds, the return on investment has to factor the entire series of investment­s. So, if one invests through a monthly SIP of Rs 5,000 for three years; there are 36 investment­s in all, with the first one invested for full three years and every subsequent investment a month shorter than the earlier one (35 months for the second SIP, 34 for the third and so on).

In this period, the fund’s performanc­e keeps changing with each month, depending on market conditions. To know how SIPs have fared from start to end date, IRR comes into play. It is the implied interest rate at which the initial investment has grown to reach the ending value from start value. To understand IRR, one must know what NPV (net present value) is, which is based on the fact that the value of cash today is more than that one will get after three years, due to inflation. You can calculate IRR using a financial calculator, a spreadshee­t or use online resources.

 ?? Returns (% per annum), Source: BSE ??
Returns (% per annum), Source: BSE
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