Definition
Option premium = intrinsic value + time value. Intrinsic value is the positive payoff from immediate exercise: for a call, max(S - K, 0); for a put, max(K - S, 0), where S is the spot price and K is the strike. Time value (also called extrinsic value) reflects the probability that the option will move further into the money before expiry, the interest cost of deferring exercise, and the impact of dividends. Time value is greatest for ATM options and decays at an accelerating rate as expiry approaches - a phenomenon called theta decay or time decay. A call with strike $50 on a stock at $55 might carry a premium of $6.50: $5.00 intrinsic + $1.50 time value. At expiry, time value reaches zero; premium equals intrinsic value only. This decay characteristic means that long option positions lose value every day all else equal, which is relevant to suitability and risk disclosure for options strategies.
Source
Options Industry Council; CIRO IDPC options supervision requirements; verify exam syllabus weighting
Where this shows up on the CIRE
- Outcome 5.3