As an options contract gets closer to expiration, it naturally decreases in value. That rate of decrease is called theta.
Theta vs Pi is a game in which you control a Theta symbol and take it through 38 randomly generated levels (Once you reach a certain place on screen instead of the Theta moving forward the screen moves Backwards). This game has all the features you would want in this type of game including; smart enemies, dumb enemies, flying enemies, spikes, a.
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- A typical platformer in a world where everyone's a Greek letter. Theta and Pi Software. One Button Snake. A twist on the classic Snake game where you can only use one button. Theta and Pi Software. A short NES style platformer with a mostly blue man.
Theta is one of 'the Greeks,' or statistical values identified by Greek letters that traders use to evaluate stock options.
Other Greeks include:
- Delta – the option's sensitivity to the price of the underlying security
- Vega – the option's sensitivity to the volatility of the underlying security
- Gamma – the option's sensitivity to Delta as it responds to price changes
Theta is different from the other Greeks in that it's not dependent on changes in the underlying security. Instead, it's dependent on how close the option is to expiration.
Ai racer mac os. In this guide, I'll explain theta so you'll know how to use it when you consider trading stock options.
What Is Theta?
In a nutshell, theta is a measurement of time decay.
As a rule of thumb, the closer an option gets to its expiration date, the more it will drop in value.
Of course, if the underlying stock price drops dramatically or rises significantly, that will affect the option price as well. That's why options analysts frequently use the phrase 'all other things being equal' when discussing theta (or any of the other Greeks).
Read Also: How does a long call spread strategy work?
'All other things being equal,' in this context, means that if the stock price and implied volatility remain the same, then you can expect the price of an option to drop every day as it gets closer to expiration.
That's not a linear drop, though. Time decay will increase as the contract gets closer to its expiration date.
When Would You Care About Theta?
You'll almost always take a long, hard look at theta when you're buying options in a single-leg order.
Why? Because, all other things being equal, you'll lose money every day when you buy an option.
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That's why it's a great idea to go long on an option when you have a reason to believe that the stock price will move significantly one way or the other.
On the other hand, if you think that a stock price is going to stay relatively flat, you can short an option and let time decay work in your favor. As the value of the option decreases, you make money.
It should be noted, though, that you'll need a margin account if you want to short stock options.
So to summarize:
- Time decay works against you when you're long an option
- Time decay works in your favor when you're short an option
Wasting Assets
Wasting assets are assets that tend to decrease in value over time. Options are wasting assets.
Why? Because as a contract nears expiration, it's easier to determine the value of the underlying stock at expiration.
Theta Vs Pi 8 Mac Os Called
In other words, there's less opportunity for a wild swing in the price of the security.
Time decay is especially noticeable on options that are out-of-the-money.
An out-of-the-money option is one in which the underlying stock is lower than the strike price (if it's a call) or higher than the strike price (if it's a put).
When out-of-the-money options near expiration date, it becomes less likely that they'll ever get in-the-money. As a result, there's less demand for them on the open market because nobody wants to buy an option that will probably expire worthless.
When there's less demand for an option, with all other things being equal, its price will drop.
Real Life Example of Using Theta
Let's say that Tesla is currently trading at $346 per share. You think it's going to stay the same over the next month, so you'd like to make some money off of time decay.
You fire up your trading platform and check out the options chains. You see that next month's $346 call option is trading for $21.15 right now.
But you're curious about how much money you can make quickly if the price of Tesla stays the same. You check out the details of the call option that you're thinking about purchasing.
Fortunately, your online brokerage lists all the Greeks for every option. You notice that the theta for next month's $346 call option is -0.2836.
Why is it measured as a negative? For a very good reason.
Remember: theta is a measurement of time decay. It shows you how much the call option is likely to decrease in value every day, all other things being equal.
A theta of -0.2836 means that the call option will decrease about 28 cents in value every day.
There's a caveat, though. The theta will decrease even more as you get closer to expiration.
In other words, just because the theta is -0.2836 today, that doesn't mean it will be the same two weeks from now.
In fact, that option is likely to have a theta below -0.4 in a couple of weeks.
Read Also: How does a short put options strategy work?
For now, if you sell the call option, you stand to make about $28 per day with all other things being equal.
You like the sound of that so you move forward with the trade. You sell one call option contract for $21.15. That earns you $2,115 because options are sold in groups of 100 shares ($21.15 x 100).
Now you have an extra $2,115 in your account. Don't get too excited, though, because you're on the hook to buy 100 shares of Tesla if the call option stays in the money. That will cost you a lot more than $2,115.
However, there's still a month until expiration. You're confident that time decay will lower the value of the call option. Then, you can buy it back at a lower price and pocket a profit.
Let's say everything stays the same with Tesla over the next day. You check your account and notice that the call option that you sold for $21.15 is now worth $20.87.
In other words, the price dropped about $0.28, just as theta predicted. So far so good.
Next, let's say that after a couple of weeks that Tesla is still trading around $346 per share. Your call option is now worth $17.00.
That's good news because now it's much lower than the price you paid for it. Should you ride it out for more profit or not?
You remember that pigs get fat and hogs get slaughtered, so you decide not to be too greedy and take your win. Negative space (itch) (mavryke) mac os. You buy back the call option for $17.00.
That buy-back costs you $1,700 ($17.00 x 100). But you already earned $2,115 from the sale of the call in the first place. So your total profit is $415 ($2,115 – $1,700).
Congratulations! You made money by letting time decay work in your favor.
That's why it's important to pay attention to theta when evaluating options.
