Reference

Abbreviations

Every abbreviation used across ThetaTickr, what it stands for, and what it means in the tools.

Strategies and positions

CCCovered call: Selling a call option against at least 100 shares you already own per contract, collecting premium in exchange for capping upside above the strike. Related lesson
NSCNaked short call: Selling a call option without owning at least 100 shares per contract to cover it. The trade tracker labels a sold call NSC when your portfolio holdings do not cover it; the potential loss is uncapped if the stock rises. Related lesson
CSPCash-secured put: Selling a put option while holding enough cash to buy 100 shares per contract at the strike if assigned. Related lesson
P&L (P/L)Profit and loss: The gain or loss on a position. Realized P&L comes from closed trades; unrealized P&L is the open position marked at current prices.

Contract terms

DTEDays to expiration: Calendar days remaining until the option contract expires. Related lesson
ATMAt the money: An option whose strike is at or very near the current price of the underlying stock. Related lesson
ITMIn the money: An option with intrinsic value: a call with a strike below the stock price, or a put with a strike above it. Related lesson
OTMOut of the money: An option with no intrinsic value: a call with a strike above the stock price, or a put with a strike below it. Related lesson
OIOpen interest: Outstanding contracts at the observation time. It does not identify trade direction or ownership.

Volatility and gamma

IVImplied volatility: The volatility input implied by an option's price. It is not a directional forecast. Related lesson
IV3030-day implied volatility: Implied volatility interpolated to a constant 30-day horizon, so tickers with different expiry schedules can be compared. Related lesson
GEXGamma exposure: Gamma aggregated across strikes under a stated model and sign convention. It is a modeled estimate, not observed dealer inventory. Related lesson

Market data

NBBONational best bid and offer: The highest bid and lowest ask across all US exchanges for a security at a moment in time.
OPRAOptions Price Reporting Authority: The consolidated feed of US listed-option trades and quotes. Order Flow and Unusual Options read OPRA prints.
SIPSecurities information processor: The consolidated US stock-market feed that combines quotes and trades from every exchange.
OICOptions Industry Council: An industry education body funded by the options exchanges; a source of neutral options education.
ETEastern Time: US Eastern time zone, used for market hours and timestamps (regular session 9:30–16:00 ET).
N/ANot available: The value cannot be shown, usually because the provider did not return it or the metric does not apply.
USDUS dollar: Currency used for scanner prices, premiums, and cash sizing.

Companies and filings

SECUS Securities and Exchange Commission: The US regulator whose EDGAR system publishes company filings shown on the News page.
IRInvestor relations: A company's official channel for shareholder news, earnings releases, and presentations.
8-KCurrent report: An SEC filing for material events between regular reports, such as earnings releases or leadership changes.
10-QQuarterly report: The SEC filing with a company's unaudited quarterly financial statements.
10-KAnnual report: The SEC filing with a company's audited annual financial statements and risk factors.
ETFExchange-traded fund: A fund that trades on an exchange like a stock and holds a basket of securities.

This academy is for educational purposes only. It does not provide financial, investment, tax, legal, or personal portfolio advice. Options involve risk and are not suitable for all investors. Examples are simplified and hypothetical. Investors should make their own decisions, consider their own financial situation, and consult qualified professionals where relevant.