TradingSolutions Glossary

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Odd Lot

A trade consisting of less than 100 shares. Odd lots often incur additional expenses, receive a less favorable price, and are traded after other orders.

Offer Price

See Ask Price.

Online Weight Update

An update of the training weights once for every exemplar in the entire training set. Online weight updates are less stable than batch weight updates, but may be better able to model discrete situations.

&  For help with neural network settings, see the help for the Advanced Topology Settings Dialog.

Open

The price that a security began trading at when the market opened on a given trading day. This is typically not equal to the closing price of the previous day due to after hours trading.

Open Interest (Options and Futures Trading Usage)

The total amount of outstanding contracts for a future or option.

Optimal Signal

An entry/exit signal that uses future information to determine the best trading action. Since the optimal signal looks ahead into the future, it is not useful for trading or as an input to a prediction. However, it can be used effectively as the desired output of a prediction to model good trading activity.

&  For help with optimal signals, see Generating an Optimal Signal.

Optimization

See Genetic Optimization.

Options Clearing Corporation (OCC)

The issuer of all listed options on all exchanges.

Out of the money (Options Trading Usage)

An option with a strike price worse than the current price of the underlying security. For example, a call option with a strike price above the price of the security.

Output

Data that is returned from a calculation or prediction based on a set of inputs.

Output Axon

A component in a neural network where the results of the processing are made available outside of the network.

&  For help with neural network components, see the help for the Advanced Topology Settings Dialog.

Overbought

A situation in which an upward trend in the market has pushed the price above its actual worth. A stock that is currently overbought will often be sold off, causing the price to decrease to normal levels.

Oversold

A situation in which a downward trend in the market has pushed the price below its actual worth. A stock that is currently oversold will often begin to be bought, causing the price to increase to normal levels.

Overwrite

A setting that allows you to replace data in your portfolio during import.