Looking at the universe of stocks we cover at Dividend Channel, on 6/11/15, IDT Corp. (IDT) will trade ex-dividend, for its quarterly dividend of $0.18, payable on 6/23/15. As a percentage of IDT's recent stock price of $18.65, this dividend works out to approximately 0.97%, so look for shares of IDT Corp. to trade 0.97% lower — all else being equal — when IDT shares open for trading on 6/11/15.Below is a dividend history chart for IDT, showing historical dividends prior to the most recent $0.18 declared by IDT Corp.: In general, dividends are not always predictable; but looking at the history above can help in judging whether the most recent dividend from IDT is likely to continue, and whether the current estimated yield of 3.86% on annualized basis is a reasonable expectation of annual yield going forward. The chart below shows the one year performance of IDT shares, versus its 200 day moving average: Looking at the chart above, IDT's low point in its 52 week range is $14.00 per share, with $23.24 as the 52 week high point — that compares with a last trade of $18.67. According to the ETF Finder at ETF Channel, IDT makes up 1.48% of the Vanguard Telecommunication Services ETF ( VOX) which is trading lower by about 0.5% on the day Tuesday. In Tuesday trading, IDT Corp. shares are currently up about 0.5% on the day.