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What are Reverse Algorithms?

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Reverse algorithms are algorithms that have been reverse engineered by observing their behavior. They are typically rough approximations of the original algorithm that are constructed for purposes such as competition or study.


Algorithms are often in direct competition with each other. For example, trading algorithms from different hedge funds may buy and sell the same stock throughout a day using a variety of strategies to make a profit. In such a scenario it may be an advantage to observe the behavior of competing algorithms. In theory, an artificial intelligence could model the algorithms trading a particular equity or class of investments in order to take advantage of their behavior.


Algorithms may be reverse engineered in order to study their impact on markets, economics, pricing, operations and society. For example, there is some interest in whether algorithms may develop biases that negatively impact quality of life.
Overview: Reverse Algorithms
An approximation of an algorithm that is created by observing its behavior.
It isn't typically possible to determine the exact code behind an algorithm by observing it. With enough data, it may be possible to detail an algorithm's behavior to the point that it can be predicted with some accuracy.
Related Concepts
Advanced Technology
Artificial Intelligence
Machine Biases


This is the complete list of articles we have written about algorithms.
Backward Induction
Brute Force
Decision Trees
Forward Chaining
Input Is Error
IT Examples
Proof Of Work
Reluctant Algorithms
Reverse Algorithms
Soft Computing
More ...
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