Put options
When you choose to trade in options as an investment form, you have 2 options: call options and put options . Below we explain what put options are exactly and how you can make money with them.
A put option gives you the right to sell your shares at a predetermined price. This must be done, just like with call options, before the expiration date. To obtain this right to sell, you pay an option premium to the writer of the option, who is then obliged to buy the shares.
To make it clearer what a put option is, you can think of insurance. Suppose you take out travel insurance for your holiday. You pay a premium to the insurance company and if something happens, they will compensate you for the damage. However, if nothing happens, you pay the premium for nothing. In this way, you are protected against any damage.
A put option works the same way. You insure your shares against a price drop, as it were . If the price drops, you sell the shares at the fixed price and make a profit. If the price stays the same or rises, you lose the premium you paid.
How is the value of a put option determined?
When trading options, it is important to follow the predictions of the price value. It is also important to keep an eye on the time value. These options must be exercised within a certain time and are therefore time-bound. This means that you should not only look at whether the price will fall, but also within what period this will happen.
The value of the put option is determined by 3 factors:
- The time period over which the option is written;
- The direction in which the price moves (rise or fall);
- The volatility of the stock (how much the stock price moves).

When do you buy a put option?
There are 2 reasons to choose put options:
- A put option helps you to insure the shares you own against a decrease in value. Put options offer you protection against possible price decreases.
- If you think the price is going to fall, it is smart to buy put options for your shares. This is because the put option increases in value if the price value of the shares falls.
Calculation example put option
Compareallbrokers.com has created a calculation example for you to clarify how trading in put options works. Suppose you own 100 shares of a company that are worth €50 each. However, you think that the price value will fall. To prevent you from making a loss on your shares, you invest in put options. You choose an exercise price of €45. The price then falls to €40 per share. By selling your shares at the exercise price of €45, you reduce your loss by €500. However, if the price rises, you choose to sell the shares on the stock exchange for the price value and make a profit.
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