Looking at the universe of stocks we cover at Dividend Channel, on 12/12/13, IDT Corp. ( IDT) will trade ex-dividend, for its quarterly dividend of $0.17, payable on 1/7/14. As a percentage of IDT's recent stock price of $18.12, this dividend works out to approximately 0.94%, so look for shares of IDT Corp. to trade 0.94% lower — all else being equal — when IDT shares open for trading on 12/12/13.Below is a dividend history chart for IDT, showing historical dividends prior to the most recent $0.17 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 3.75% 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 $7.77 per share, with $22.92 as the 52 week high point — that compares with a last trade of $18.21. According to the ETF Finder at ETF Channel, IDT makes up 1.58% of the Vanguard Telecommunication Services ETF ( VOX) which is trading lower by about 0.2% on the day Wednesday. In Wednesday trading, IDT Corp. shares are currently down about 0.6% on the day.