Terminologies

Trading and and data analytic terminlogies that I came across when developing this program.

Data Analytic

Dataframe: Two-dimentional grouping of data of any type. Can be compares to Excel sheet or SQL data tables
Window function: Window functions enable to perform calculations against partitions(subgroups or sections) of result, typically a table

Leg: This is a single position taken in trading. There can be multi-leg in option trading for long call, short call; short put and long put.
Orders
- Market Order: This is an order to buy and sell security immediately.
- Limit Order: This is an order to buy and sell at a specific price. eg: submit limit order to buy ABC stock for no more $10.
- Stop Order or Stop Loss Order: An order to buy or sell a stock once the price of stock reaches specific price. When the stop price is reached, a stop order becomes a market order.
- Buy Stop Order: Order is entered at the Stop Price above the current market price.
- Sell Stop Order: Order is entered at the Stop Price below the current market price.
Stock Purchase & Sales

Technial calculations on data that are used to predict and indicate trends and signals.
- Leading Indictor: This predict future price movement
- Lagging Indicators: Look past trends and indiciate momentum (next move)
Signals: This are specific recommendation on financial assets to be executed at a predetermined time and price
Relative Strength Index (RSI): This is momentum indicator used in technical analysis that measures the magnitude (speed) and change of price movement to evaluate overbought or oversold conditions in the price of a stock or other asset.
Technical Analysis of Stocks and Trends: Technical analysis of stocks and trends is the study of historical market data, including price and volume, to predict future market behavior.