Trading Glossary

    Master options trading terminology with our comprehensive glossary. From basic concepts to advanced strategies.

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    Showing 8 of 8 terms

    Call Option

    options
    beginner

    A financial contract that gives the holder the right, but not the obligation, to buy an underlying asset at a specified price within a specific time period.

    Examples:

    • Buying AAPL $150 call expiring in 30 days

    Related Terms:

    Put Option
    Strike Price
    Expiration Date

    Put Option

    options
    beginner

    A financial contract that gives the holder the right, but not the obligation, to sell an underlying asset at a specified price within a specific time period.

    Examples:

    • Buying TSLA $200 put for downside protection

    Related Terms:

    Call Option
    Strike Price
    Premium

    Delta

    greeks
    intermediate

    A Greek that measures how much an option's price changes for every $1 change in the underlying stock price. Delta ranges from 0 to 1 for calls and 0 to -1 for puts.

    Examples:

    • A call with 0.5 delta moves $0.50 for every $1 stock move

    Related Terms:

    Gamma
    Theta
    Vega

    Theta

    greeks
    intermediate

    A Greek that measures how much an option's price decreases with each passing day, representing time decay.

    Examples:

    • An option with -0.05 theta loses $5 in value per day

    Related Terms:

    Delta
    Time Decay
    Expiration

    Iron Condor

    strategies
    advanced

    A neutral options strategy involving four options: selling an out-of-the-money call spread and an out-of-the-money put spread with the same expiration date.

    Examples:

    • Sell 145/150 call spread and 135/130 put spread on XYZ

    Related Terms:

    Iron Butterfly
    Credit Spread
    Range Trading

    Implied Volatility

    general
    intermediate

    The market's forecast of how much a stock's price will move, expressed as an annual percentage and derived from option prices.

    Examples:

    • 20% IV means the market expects 20% annual price movement

    Related Terms:

    Vega
    Historical Volatility
    VIX

    Strike Price

    options
    beginner

    The predetermined price at which an option can be exercised. Also called the exercise price.

    Examples:

    • A $100 strike call gives the right to buy at $100

    Related Terms:

    Moneyness
    ITM
    OTM

    Position Sizing

    risk
    intermediate

    The process of determining how much capital to allocate to each trade based on risk tolerance and account size.

    Examples:

    • Never risk more than 2% of account on a single trade

    Related Terms:

    Risk Management
    Kelly Criterion
    Diversification