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6 guides in Finabase Learn
- Finabase plans on the web: Free, Essentials, Plus and Premium Compare the four Finabase plans on finabase.io — list and symbol limits, daily AI requests, realtime data — and learn how to subscribe, manage or cancel.
- Option premium The price paid by an option buyer to the seller, made up of intrinsic value plus time value.
- Option premium and time value: decay, volatility and Black-Scholes What drives an option premium, why time value melts faster near expiration, what implied volatility measures, and the intuition behind the Black-Scholes model.
- Spot price The price for buying or selling a commodity, currency or other asset for immediate delivery, as opposed to a futures price for a later date.
- Stock Master plans: Essentials, Plus and Premium compared What the free version of Stock Master includes, what the Essentials, Plus and Premium plans add, how to subscribe, restore a purchase and cancel.
- Tick size The smallest price increment in which a security can be quoted or traded; for most US stocks, one cent per share as of 2026.
Educational content, not investment advice. Finabase Learn explains how markets and tools work. It does not recommend any security or strategy, and examples are for illustration only. Investing involves risk, including the loss of principal. Rules and figures are for the United States unless stated and can change — check the cited source before you act.