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A covered call involves selling a call option on a stock that you already own. By owning the stock, you’re “covered” (i.e. protected) if the stock rises and the call option expires in the money.
These strategies may provide downside protection as well. Writing out-of-the-money covered calls is a good example of such a strategy. The purchaser of the covered call is paying a premium for the option to purchase, at the strike price (rather than the market price), the assets you already own.
Payoffs from a short put position, equivalent to that of a covered call Payoffs from a short call position, equivalent to that of a covered put. A covered option is a financial transaction in which the holder of securities sells (or "writes") a type of financial options contract known as a "call" or a "put" against stock that they own or are shorting.
A naked option involving a "call" is called a "naked call" or "uncovered call", while one involving a "put" is a "naked put" or "uncovered put". [1] The naked option is one of riskiest options strategies, and therefore most brokers restrict them to only those traders that have the highest options level approval and have a margin account. Naked ...
Matching (graph theory) MaxDDBS; Maximal independent set; Maximum agreement subtree problem; Maximum common edge subgraph; Maximum common induced subgraph; Maximum cut; Maximum flow problem; Maximum weight matching; Metric k-center; Minimum k-cut; Mixed Chinese postman problem; Multi-trials technique
Graph homomorphism problem [3]: GT52 Graph partition into subgraphs of specific types (triangles, isomorphic subgraphs, Hamiltonian subgraphs, forests, perfect matchings) are known NP-complete. Partition into cliques is the same problem as coloring the complement of the given graph. A related problem is to find a partition that is optimal terms ...
Subgraph isomorphism is a generalization of the graph isomorphism problem, which asks whether G is isomorphic to H: the answer to the graph isomorphism problem is true if and only if G and H both have the same numbers of vertices and edges and the subgraph isomorphism problem for G and H is true. However the complexity-theoretic status of graph ...
Graphplan takes as input a planning problem expressed in STRIPS and produces, if one is possible, a sequence of operations for reaching a goal state. The name graph plan is due to the use of a novel planning graph , to reduce the amount of search needed to find the solution from straightforward exploration of the state space graph .