It is one of the indicators used to evaluate stock price levels, and is calculated by dividing the stock price by the annual net income before tax per share. It is also called PER (price earning ratio). Traditionally in Japan, the standard for stock investment was the "yield" calculated by dividing the dividend by the stock price, but in the United States, the price-earnings ratio is used as a major indicator of stock investment and a major financial indicator of corporate performance. Generally, if the profit ratio is high, it means that the stock is overpriced because its growth potential is being bought, but it is important to note that since stock prices are theoretically considered to be the "total present value of future profits," it does not necessarily mean that a stock is "overpriced because it is high." In other words, the "stock price" in the numerator is theoretically the "total future profits that can be earned in the future," and it can be considered to be divided by the "current profits," so if this value is "high," it can also be said that "the future growth potential is high compared to the current profits." However, with the progress of globalization, and from the viewpoint that profits reflect a company's true strength better than dividends, the use of price-earnings ratios is increasing as stock markets become more internationalized. [Atsushi Oketa and Takuo Maeda] [Reference] | |Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
株価水準を評価する際に用いられる指標の一つで、株価を1株当りの年間税引純利益で除して求められる。PER(price earning ratio)ともいう。従来日本では、株式投資の基準として、配当を株価で除して算出される「利回り」が中心となっていたが、アメリカでは有力な株式投資の指標として、また企業の業績を示す有力な財務指標として、株価収益率が利用されている。一般に収益率が高ければその株式は成長性が買われて割高であることを意味しているが、株価は理論的には「将来利益の現在価値の総額」と考えられることから、かならずしも「高いから割高」ともいえないことには注意が必要である。つまり、分子にある「株価」は、理論上、「今後得ることができるであろう将来の利益の総額」であり、それを「現時点の利益」で除しているとも考えられるので、この値が「高い」ということは、それだけ「現時点の利益に比べて、将来の成長力が高い」ともいえることにもなる。とはいえ、グローバル化の進展とともに、配当より利益が企業の実力を反映しているという観点から、株式市場の国際化が進むに伴い、株価収益率の利用度が高まっている。 [桶田 篤・前田拓生] [参照項目] | |出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例 |
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