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  2. Algorithmic trading - Wikipedia

    en.wikipedia.org/wiki/Algorithmic_trading

    In the U.S., decimalization changed the minimum tick size from 1/16 of a dollar (US$0.0625) [a] to US$0.01 per share in 2001, and may have encouraged algorithmic trading as it changed the market microstructure by permitting smaller differences between the bid and offer prices, decreasing the market-makers' trading advantage, thus increasing ...

  3. Automated trading system - Wikipedia

    en.wikipedia.org/wiki/Automated_trading_system

    An automated trading system (ATS), a subset of algorithmic trading, uses a computer program to create buy and sell orders and automatically submits the orders to a market center or exchange. [1]

  4. High-frequency trading - Wikipedia

    en.wikipedia.org/wiki/High-frequency_trading

    High-frequency trading (HFT) is a type of algorithmic trading in finance characterized by high speeds, high turnover rates, and high order-to-trade ratios that leverages high-frequency financial data and electronic trading tools. [1] [2] [3] While there is no single definition of HFT, among its key attributes are highly sophisticated algorithms ...

  5. Portfolio optimization - Wikipedia

    en.wikipedia.org/wiki/Portfolio_optimization

    Portfolio optimization is the process of selecting an optimal portfolio (asset distribution), out of a set of considered portfolios, according to some objective.The objective typically maximizes factors such as expected return, and minimizes costs like financial risk, resulting in a multi-objective optimization problem.

  6. List of random number generators - Wikipedia

    en.wikipedia.org/wiki/List_of_random_number...

    Blum-Blum-Shub is a PRNG algorithm that is considered cryptographically secure. Its base is based on prime numbers. Park-Miller generator: 1988 S. K. Park and K. W. Miller [13] A specific implementation of a Lehmer generator, widely used because it is included in C++ as the function minstd_rand0 from C++11 onwards. [14] ACORN generator: 1989 ...

  7. Algorithm - Wikipedia

    en.wikipedia.org/wiki/Algorithm

    Algorithm LargestNumber Input: A list of numbers L. Output: The largest number in the list L. if L.size = 0 return null largest ← L[0] for each item in L, do if item > largest, then largest ← item return largest "←" denotes assignment. For instance, "largest ← item" means that the value of largest changes to the value of item.

  8. Applications of artificial intelligence - Wikipedia

    en.wikipedia.org/wiki/Applications_of_artificial...

    The use of AI in applications such as online trading and decision-making has changed major economic theories. [65] For example, AI-based buying and selling platforms estimate personalized demand and supply curves, thus enabling individualized pricing.

  9. Apriori algorithm - Wikipedia

    en.wikipedia.org/wiki/Apriori_algorithm

    All the itemsets of size 1 have a support of at least 3, so they are all frequent. The next step is to generate a list of all pairs of the frequent items. For example, regarding the pair {1,2}: the first table of Example 2 shows items 1 and 2 appearing together in three of the itemsets; therefore, we say item {1,2} has support of three.