Can I profit from selling a PUT on BBY?
Yes. You got it right.  If BBY has issues and drops to say, $20, as the put buyer, I force you to take my 100 shares for $2800, but they are worth $2000, and you lost $800 for the sake of making $28.  The truth is, the commissions also wipe out the motive for trades like yours, even a $5 cost is $10 out of the $28 you are trying to pocket. You may 'win' 10 of these trades in a row, then one bad one wipes you out. The time when you might want to do this is if you think BBY is undervalued already.  If you'd be happy buying the stock now, you'd be happy buying it lower (at the strike price of the put option you sold).  If the stock doesn't go down, you win.  If it does, you still win, because you get the stock at the strike price. If I recall correctly Warren Buffett did this with Coca-Cola.  But that's Warren Buffett. Yes, theoretically you can flip the shares you agreed to buy and make a profit, but you're banking on the market behaving in some very precise and potentially unlikely ways.  In practice it's very tricky for you to successfully navigate paying arbitrarily more for a stock than it's currently listed for, and selling it back again for enough to cover the difference.  Yes, the price could drop to $28, but it could just as easily drop to $27.73 (or further) and now you're hurting, before even taking into account the potentially hefty commissions involved. Another way to think about it is to recognize that an option transaction is a bet; the buyer is betting a small amount of money that a stock will move in the direction they expect, the seller is betting a large amount of money that the same stock will not.  One of you has to lose.  And unless you've some reason to be solidly confident in your predictive powers the loser, long term, is quite likely to be you. Now that said, it is possible (particularly when selling puts) to create win-win scenarios for yourself, where you're betting one direction, but you'd be perfectly happy with the alternative(s).   Here's an example.  Suppose, unrelated to the option chain, you've come to the conclusion that you'd be happy paying $28 for BBY.  It's currently (June 2011) at ~$31, so you can't buy it on the open market for a price you'd be happy with.  But you could sell a $28 put, promising to buy it at that price should someone want to sell it (presumably, because the price is now below $28). Either the put expires worthless and you pocket a few bucks and you're basically no worse off because the stock is still overpriced by your estimates, or the option is executed, and you receive 100 shares of BBY at a price you previously decided you were willing to pay.  Even if the list price is now lower, long term you expect the stock to be worth more than $28.  Conceptually, this makes selling a put very similar to being paid to place a limit order to buy the stock itself. Of course, you could be wrong in your estimate (too low, and you now have a position that might not become profitable; too high, and you never get in and instead just watch the stock gain in value), but that is not unique to options - if you're bad at estimating value (which is not to be confused with predicting price movement) you're doomed just about whatever you do.
I work at a FOREX broker, and can tell you that what you want to do is NOT possible. If someone is telling you it is, they're lying. You could (in theory) make money from the SWAP (the interest you speak of is called SWAP) if you go both short and long on the same currency, but there are various reasons why this never works. Furthermore, I don't know of any brokers that are paying positive SWAP (the interest you speak of is called SWAP) on any currency right now. Your math shows that you bought an 'at the money' option for .35 and when the stock is $1 above the strike, your $35 (options trade as a contract for 100 shares) is now worth $100. You knew this, just spelling it out for future readers.  1 - Yes 2 - An execute/sell may not be nesesary, the ooption will have time value right until expiration, and most ofter the bid/ask will favor selling the option. You should ask the broker what the margin requirement is for an execute/sell. Keep in mind this usually cannot be done on line, if I recall, when I wanted to execute, it was a (n expensive) manual order. 3 - I think I answered in (2), but in general they are not identical, the bid/ask on options can get crazy. Just look at some thinly traded strikes and you'll see what I mean. I sell a put for a strike price at the market. The stock rises $50 over the next couple months. I've gotten the premium, but lost the rest of the potential gain, yet had the downside risk the whole time.  There's no free lunch.  Edit - you can use a BS (Black-Scholes) calculator to create your own back testing. The calculator shows a 1% interest rate, 2% yield, and 15% volatility produce a put price almost identical to the pricing I see for S&P (the SPY ETF, specifically) $205 put. No answer here, including mine, gave any reference to a study. If one exists, it will almost certainly be on an index, not individual stocks. Note that Jack's answer referencing PUTX does exactly that. The SPY ETF and it put options. My suggestion here would, in theory, let you analyze this strategy for individual stock options as well.  For SPY - With SPY at 204.40, this is the Put you'd look at -  12 times the premium is $33.36 or 16% the current price. The next part of the exercise is to see how the monthly ups and downs impact this return. A drop to $201 wipes out that month's premium.  It happens that it now March 18th, and despite a bad start to the year, we are at break-even YTD. A peek back shows In Dec you picked up $2.87 premium, (1.4% the current price then) but in Jan, it closed for a loss of $12. Ouch. Now, if you started in January, you'd have picked up 2 month's premiums and today or Monday sell the 3rd. You'd have 2.8% profit so far, vs the S&P break even.  Last, for now, when selling a naked put, you have to put up margin money. Not sure how much, but I use percent of the value of underlying stock to calculate returns. That choice is debatable, it just keeps percents clean. Else you put up no money and have infinite return. You definitely cannot be guaranteed to get the bid or ask if you are selling more than are available/desired at those prices. What prices you do get depends on who is watching that contract and how willing they are to trade with you. This question is not much different from the question of whether you can easily get into or out of a large position in an illiquid small stock easily.  You can get out quickly if you are willing to take pennies on the dollar, or you may get a reasonable price if you take a long time to get out of (or into) your position.  You can't normally do both. In general taking large positions in illiquid assets is not something people want to do without lining up a buyer/seller beforehand.  Instead see if you can achieve your objective with liquid investments. Probably not.  Once the formula is out there, and if it actually seems to work, more and more investors chase the same stocks, drive the price up, and poof!  The advantage is gone. This is the very reason why Warren Buffett doesn't announce his intentions when he's buying.  If people know that BRK is buying, lots of others will follow. There's really not a simple yes/no answer.  It depends on whether you're doing short term trading or long term investing.  In the short term, it's not much different from sports betting (and would be almost an exact match if the bettors also got a percentage of the team's ticket sales), In the long term, though, your profit mostly comes from the growth of the company.  As a company - Apple, say, or Tesla - increases sales of iPhones or electric cars, it either pays out some of the income as dividends, or invests them in growing the company, so it becomes more valuable.  If you bought shares cheaply way back when, you profit from this increase when you sell them.  The person buying it doesn't lose, as s/he buys at today's market value in anticipation of continued growth.  Of course there's a risk that the value will go down in the future instead of up. Of course, there are also psychological factors, say when people buy Apple or Tesla because they're popular, instead of at a rational valuation.  Or when people start panic-selling, as in the '08 crash.  So then their loss is your gain - assuming you didn't panic, of course :-) You could try to refine your options strategy:  For instance you could buy the USD 750 call option(s) you mentioned and at the same time sell (short) call options with a higher strike price, which is above the share price level you expect that Apple will trade at in one year (for instance USD 1,100).  By doing this, you would receive the premium of the call option(s) with the higher option, which in turn would help you finance buying your USD 750 call(s). The net effect of this trading strategy would be that you would give up the extra profit you would earn if Apple would rose above USD 1,100 (the strike price of the call option sold short). Your total risk would be even less than with your actual strategy (in my view). "Great answer by @duffbeer. Only thing to add is that the option itself becomes a tradeable asset. Here's my go at filling out the answer from @duffbeer. ""Hey kid... So you have this brand-new video game Manic Mazes that you paid $50 for on Jan 1st that you want to sell two months from now"" ""Yes, Mr. Video Game Broker, but I want to lock in a price so I know how much to save for a new Tickle Me Elmo for my baby sister."" ""Ok, for $3, I'll sell you a 'Put' option so you can sell the game to me for $40 in two months."" Kid says ""Ok!"", sends $3 to Mr Game Broker who sends our kid a piece of paper saying: The holder of this piece of paper can sell the game Manic Mazes to Mr Game Broker for $40 on March 1st. .... One month later .... News comes out that Manic Mazes is full of bugs, and the price in the shops is heavily discounted to $30. Mr Options Trader realizes that our kid holds a contract written by Mr Game Broker which effectively allows our kid to sell the game at $10 over the price of the new game, so maybe about $15 over the price in the second-hand market (which he reckons might be about $25 on March 1st). He calls up our kid. ""Hey kid, you know that Put option that Mr Game Broker sold to you you a month ago, wanna sell it to me for $13?"" (He wants to get it a couple of bucks cheaper than his $15 fair valuation.) Kid thinks:  hmmm ... that would be a $10 net profit for me on that Put Option, but I wouldn't be able to sell the game for $40 next month, I'd likely only get something like $25 for it. So I would kind-of be getting $10 now rather than potentially getting $12 in a month. Note: The $12 is because there could be $15 from exercising the put option (selling for $40 a game worth only $25 in the second-hand market) minus the original cost of $3 for the Put option. Kid likes the idea and replies: ""Done!"". Next day kid sends the Put option contract to Mr Options Trader and receives $13 in return. Our kid bought the Put option and later sold it for a profit, and all of this happened before the option reached its expiry date." Yes -- If you are prepared to own the stock and have the cash to buy it, it can be a good way to generate income. The downside is really no more than buying a stock and it goes down -- which can happen to any investment -- and you have the premium of the put. Just don't do it on any stock you would not buy outright. To the posters who say it's a bad idea, I would like some more info on why they think that. It's not more bad idea than any investment. Yes it has risk, but so does buying stocks in general, buying dividend stocks etc and since most options expire worthless the odds are more in your favor selling puts. $15 - $5 = $10 How did you possibly buy a put for less than the intrinsic value of the option, at $8.25 So we can infer that you would have had to get this put when the stock price was AT LEAST $6.75, but given the 3 months of theta left, it was likely above $7 The value of the put if the price of the underlying asset (the stock ABC) meandered between $5 - $7 would be somewhere between $10 - $8 at expiration. So you don't really stand to lose much in this scenario, and can make a decent gain in this scenario. I mean decent if you were trading stocks and were trying to beat the S&P or keep up with Warren Buffett, but a pretty poor gain since you are trading options! If the stock moves above $7 this is where the put starts to substantially lose value. If you want to make money while European equities markets are crashing and the Euro itself is devaluing: None of these strategies are to be taken lightly. All involve risk. There are probably numerous ways that you can lose even though it seems like you should win. Transaction fees could eat your profits, especially if you have only a small amount of capital to invest with. The worst part is that they all involve timing. If you think the crash is coming next week, you could, say, buy a bunch of puts. But if the crash doesn't come for another 6 months, all of your puts are going to expire worthless and you've lost all of your capital. Even worse, if you sell short an index ETF this week in advance of next week's impending crash, and some rescue package arrives over the weekend, equity prices could spike at the beginning of the week and you'd be screwed. I don't see any trading activity on rough rice options, so I'll just default to gold.  The initial margin on a gold futures contract is $5,940. An option on a gold futures represents 1 contract. The price of an October gold futures call with a strike of $1310 is currently $22.70. Gold spot is currently $1308.20. The October gold futures price is $1307.40. So, yeah, you can buy 1 option to later control 1 futures for $22.70, but the moment you exercise you must have $5,940 in a margin account to actually use the futures contract. You could also sell the option. I don't know how much you're going to enjoy trading options on futures though -- the price of this option just last week ranged from $13.90 to $26, and last month it ranged from $15.40 to $46.90. There's some crazy leverage involved. "What you did is called a ""strangle."" It's rather unlikely that both will be exercised on the same day. But yes, it can happen.  That is if the market is very volatile on a given day, so that the stock hits 13 in the morning, the put gets exercised, and then hits 15 later in the day, so the call gets exercised. Or vice versa. More to the point, the prices are close enough that one might be hit on one day, and the other on a DIFFERENT day. In either case, if one side gets hit, you need to reevaluate your position in the other. But basically, any open position you have can be hit at any time. The only way to avoid this risk is not to have positions." "You have already indicted in another question, titled Which risk did I take winning this much?, that you did not understand (1) Why a previous trade made you as much money as it did; nor (2) How much you could have lost if things went a different way. You were, in that other question, talking about taking short position, without understanding (apparently) that a short position can create losses exceeding the value of your initial investment. Can one make money doing day trading? Yes, an educated investor may be able to prudently invest in short term positions making knowledgeable judgments about risk, and still make money. Can you make money doing day trading? Well, maybe. You have in the past, in what you described in a previous post as ""winning"". So even in your own eyes, you were effectively gambling, and got lucky. Perhaps the more relevant questions you can ask yourself are: Can you lose money doing day trading? And, most importantly, Are you more likely to lose money day trading, or consistently make money by taking on reasonable and educated risks?" "Whether or not you make money here depends on whether you are buying or selling the option when you open your position.  You certainly would not make money in the scenario where you are buying options at the open.  If fact you would end up loosing quite a lot of money. You do not specify whether you are buying or selling the options, so let's assume that you are buying both the call and the put.  We'll look a profitable trade at the bottom of my answer. Buying an in-the-money Call option with a strike price of $90 when the underlying asset price is $150 would cost you a small fraction over $6000 = (100 x $60) since the intrinsic value value of the option is $60.  Add to this cost any commission charged by your broker. Buying an out-of-the-money Put option with a strike price of $110 when the underlying asset price is $150 would cost you a ""small"" premium - lets say a premium of something like $0.50.  The option has no intrinsic value, only time value and a volatility value, so the exact cost would depend on the time to expiry and the implied volatility of the underlying asset. Since the strike price is ""well out of the money"", being about 27% below the underlying asset price, the premium would be small.  So, assuming the premium of $0.50, you would pay $50 for the option plus any commission applicable. The cash settlement on expiry, with an underlying settlement price of $100, would be a premium of $10 for each of the two options, so you would receive cash of 100 x ($10 + $10) = $2000, less any commission applicable.  However, you have paid $6000 + $50 to purchase the options, so you realise a net loss of $6050 - $2000 = $4050 plus any commissions applicable. Thus, you would make a profit on the put option, but you would realise a very large loss on the call option. On the other hand, if you open your position by selling the call option and buying the put option, then you would make money. For the sale of the call option you would receive about $6000.  For the purchase of the put option you would pay about $50. On settlement, you would pay $1000 to buy back the call option and you would receive about $1000 when selling the put option. Thus you net profit would be about ($6000 - $1000) for the call position, and ($1000 - $50) for the put position.  The net profit would then total $5950 less an commissions payable."