Option Premium
Option Premium
The price paid by the option buyer to the option seller for the rights granted by the option contract. The premium consists of two components: intrinsic value (in-the-money amount) and time value (value from remaining time until expiration). The buyer pays the premium upfront and it is non-refundable, representing the maximum loss for the buyer regardless of how the underlying security moves.
An investor buys a call option on ABC stock (trading at $52) with a $50 strike price for a $4 premium per share. The premium breaks down as: $2 intrinsic value ($52 current price - $50 strike = $2 in-the-money) + $2 time value (value from potential future price movement before expiration). The investor pays $400 total ($4 premium × 100 shares per contract). If the option expires worthless, the buyer loses the entire $400 premium, which the seller keeps as profit.
Students often confuse premium with strike price (premium is the cost to buy the option contract, strike price is the price at which the underlying can be bought or sold if exercised). Another common error is not understanding who pays whom (buyer ALWAYS pays premium to seller upfront). Many also forget that time value decays to zero at expiration (time decay accelerates as expiration approaches), or that premium is quoted per share but contracts control 100 shares (multiply by 100 for total cost).
How This Is Tested
- Calculating total premium cost by multiplying per-share premium by 100 shares per contract
- Identifying who receives the premium (seller) and who pays it (buyer)
- Breaking down premium into intrinsic value and time value components
- Understanding that premium represents the maximum loss for option buyers
- Recognizing how time decay affects premium value as expiration approaches
Regulatory Limits
| Description | Limit | Notes |
|---|---|---|
| Shares per standard option contract | 100 shares | Premium is quoted per share but must be multiplied by 100 for total cost |
Example Exam Questions
Test your understanding with these practice questions. Select an answer to see the explanation.
Marcus purchases 5 call option contracts on XYZ stock with a strike price of $45. The stock is currently trading at $47, and Marcus pays a $3 premium per share. At expiration, XYZ is trading at $41. What is Marcus's total loss on this position?
Option premium consists of which two components?
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Access Free BetaA call option on DEF stock has a strike price of $60. DEF is currently trading at $68, and the call option premium is $11. What is the time value of this option?
All of the following statements about option premium are accurate EXCEPT
An investor sells a put option on GHI stock with a $50 strike price and receives a $4 premium per share when GHI is trading at $52. Which of the following statements are accurate?
1. The seller receives $400 total for one contract ($4 × 100 shares)
2. The option has $2 of intrinsic value and $2 of time value
3. If GHI rises to $60 by expiration, the seller keeps the entire premium as profit
4. The $4 premium represents the seller's maximum potential profit
💡 Memory Aid
Think of option premium as a non-refundable ticket price for the right to buy or sell. Premium = I.T. (Intrinsic value + Time value). Buyer PAYS premium (max loss), Seller RECEIVES premium (max gain). Remember the 100x multiplier: premium quoted per share but contracts = 100 shares, so multiply by 100 for total cost.
Related Concepts
This term is part of this cluster:
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