Put-Call Parity

  

Categories: Derivatives

See: Put-Call Ratio.

Add up all the puts out there. Add up all the calls out there. (They track totals on the Street.) When puts are twice as plentiful as calls, then highly educated derivatives traders (making $10 million a year, for starters) are telling the market, via their actions or trades, that they're bearish on things overall. That is, the big, smart brains are betting that the market's going down before it goes up again.

You have the reverse with calls. And yes, the strike prices and durations all have to be adjusted and averaged. But if you're sampling all of them, then the entire universe of them is kind of a normal curve, and is adjusted such that it represents a good sample of sentiment. When they're about the same number, there's just...meh. Confusion. Fear. Uncertainty. Doubt. CFUD. Like the sound when you clear your throat after a huge bowl of ice cream. When the put-call ratio is about even, derivatives traders are giving no real view as to where the overall market is heading. So, um...beware.

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Finance: What Is a Call Option?25 Views

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finance a la shmoop. what is a call option? option? option, where are you? okay

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yeah yeah. not phone options, call options. and a close but no cigar. a call option [man smokes in a tub of cash]

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is the right to call or buy a security. the concept is easy the math is hard.

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you think Coca Cola's poised for a breakout as they go into the new low

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calorie beverage business. their stock is at 50 bucks a share and you can buy a [man stands on a stage as crowd cheers]

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to then buy coke stock at 55 bucks a share anytime you want in the next

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hundred and 20 days. so let's say Coke announces its new sugarless drink flavor

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zero it's two weeks later and the stock skyrockets to fifty eight dollars a

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share. you've already paid the dollar for the option now you have to exercise it. [man lifts weights]

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so you buy the stock and you're all in now for fifty five dollars plus one or

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fifty six bucks a share and your total value is now fifty eight bucks. well you

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could turn around today and sell the bundle that moment, and you'll have

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turned your dollar into two dollars of profit really fast. and obviously had the [equation on screen]

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stock not skyrocketed so quickly well you would have lost everything. still you

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lucked out and now you're sitting on some serious cash, courtesy of your call [two men in a tub of cash]

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options. as for Coke flavor zero turned out to be nothing more than canned water.

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