ROC is an ambiguous word, abbreviation or trademark.

It is also the name of a song sung by French singer Nadiya.

The so-called "ROC Rich Alliance Club" is an online pyramid scheme.

Summary of definitions:

As a vocabulary or abbreviation, it may refer to:

1. General fields:

Roc, [ English] [Name] Giant Bird, Dapeng?

Republic of China, the abbreviation of the Republic of China.

Republic of Congo? Abbreviation for the Republic of Congo.

Republic of Cuba? The abbreviation of the Republic of Cuba.

Reign of Chaos is the abbreviation of the original version of Warcraft 3. ?

The abbreviation of Race of Champions.

2. Professional technical fields:

Return on Capital, return on capital

Rate of change rate of change indicator (RoC indicator) [stock]?

Receive Operating Characteristic, receiver operating specific curve (RoC curve)

Radius of convergence, in mathematical science, the convergence radius of Laplace transformation and Z transformation

Raid On Chip, a network storage and server scalable advanced storage solution

As a trademark, it refers to a French cosmetics. ?

3. Abbreviation of region name:

Republic of China, abbreviation of the Republic of China.

Republic of Congo? Abbreviation for the Republic of Congo.

Republic of Cuba? The abbreviation of the Republic of Cuba.

Extended information:

Other abbreviations:

1.ROC (Race of Champions), the world's car kings competition, also known as the "King of Champions Challenge" "Race" is the finale and year-end celebration of the world's professional racing world every year.

This event invites the best athletes from various top professional car racing series in the world (including Formula One Championship, World Rally Championship, World Endurance Championship, NASCAR Series, Indy Car Racing, European Touring Car Championship, etc.) Influential new and old champions compete on the same field and compete at the top. Since its inception, it has been the most watched classic event at the end of the year for car fans around the world.

2. Return on Capital

Return on Capital refers to the ratio of after-tax profits to total capital, also called the net income ratio, which is the average of the total capital of a company. The net profit earned per 100 yuan. It is an indicator used to measure the operating results achieved by a company using all capital. The higher the return on capital, the higher the efficiency of the company's capital utilization. On the contrary, the capital is not fully utilized.

In the stock market, one of the conditions for a company's stock to be publicly listed is that the company's return on capital must reach a certain ratio in recent years.

The calculation formula is: return on capital (RoC) = ([[Profit after tax]] ([[Net income]])/Total capital) ([[Shareholders’ equity]]) × 100% = (Net income/Shareholders’ equity) × 100%.

3. Rate of change indicator (Rate of change)

The rate of change indicator is based on comparing the closing price of the day with the closing price N days ago, by calculating the stock price within a certain period of time The proportion of changes in the closing price is used to measure price momentum by comparing price movements to detect the strength of the supply and demand forces of stock price buying and selling in advance, and then analyze the trend of the stock price and whether there is a willingness to change the trend. It is one of the counter-trend indicators.

Reference: Baidu Encyclopedia-Roc