In finance, an admissible trading strategy or admissible strategy is any trading strategy with wealth almost surely bounded from below.
In particular, an admissible trading strategy precludes unhedged short sales of any unbounded assets.
[1] A typical example of a trading strategy which is not admissible is the doubling strategy.
assets, a trading strategy
[1] In a model with more than one time then the wealth process associated with an admissible trading strategy must be uniformly bounded from below.
be a d-dimensional semimartingale market and
a predictable stochastic process/trading strategy.
is called admissible integrand for the semimartingale
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