Looking at the universe of stocks we cover at Dividend Channel, on 12/11/14, IDT Corp. ( IDT) will trade ex-dividend, for its quarterly dividend of $0.18, payable on 12/19/14. As a percentage of IDT's recent stock price of $17.43, this dividend works out to approximately 1.03%, so look for shares of IDT Corp. to trade 1.03% lower — all else being equal — when IDT shares open for trading on 12/11/14.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 4.13% 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 $20.76 as the 52 week high point — that compares with a last trade of $17.51. According to the ETF Finder at ETF Channel, IDT makes up 1.72% of the Vanguard Telecommunication Services ETF ( VOX) which is trading lower by about 2.7% on the day Tuesday. In Tuesday trading, IDT Corp. shares are currently off about 2.5% on the day.