Ask Price: The lowest price a seller is willing to accept for a security.

Bearish: A negative or pessimistic outlook, expecting prices to fall.

Bear Market:  A market characterized by falling prices.

Bid Price: The highest price a buyer is willing to pay for a security.

Bullish: A positive or optimistic outlook, expecting prices to rise.

Bull Market: A market characterized by rising prices.

Call Option: A type of option that gives the holder the right to buy the underlying asset at a specified price within a specific time frame.

Day Trading: The practice of buying and selling financial instruments within the same trading day, often closing out all positions before the market closes.

Delta: A measure of how much the price of an option will change for a one-point change in the underlying asset.

Dividend: A payment made by a company to its shareholders.

Expiration Date: The date by which an options contract must be exercised or allowed to expire.

Gamma: A measure of how much the delta of an option changes for a one-point change in the underlying asset.

Implied Volatility: An estimate of how much an asset's price is expected to fluctuate, as implied by options prices.

Limit Order: An order to buy or sell a security at a specified price or better.

Margin: A deposit required to open or maintain a trading position.

Market Capitalization (Market Cap): The total value of a company's outstanding shares of stock, calculated by multiplying the share price by the number of shares.

Market Order: An order to buy or sell a security at the current market price.

Option: A financial derivative that gives the holder the right, but not the obligation, to buy or sell an asset at a predetermined price before or at expiration.

Premium: The price of an options contract.

Put Option: A type of option that gives the holder the right to sell the underlying asset at a specified price within a specific time frame.

Reversal:  A change in the direction of a price trend, signaling a potential shift in market sentiment.

Short Squeeze: A situation where a rapid increase in the price of a stock forces short sellers to cover their positions, driving the price even higher.

Stock: A share representing ownership in a company.

Stop-Loss Order: An order to sell a security when it reaches a certain price, limiting potential losses.

Strike Price: The pre-set price at which the option holder can buy (in the case of a call) or sell (in the case of a put) the underlying asset.

Theta: A measure of the time decay of an option's premium.

Vega: A measure of an option's sensitivity to changes in implied volatility.

Volatility: The degree of variation of a trading price series over time, indicating the level of risk.