The random walk theory dictates that a security prices changes randomly, with no predictable patterns.
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Options Options are one of the oldest trading vehicles man has ever used.
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For the privilege of fixing the price for the next sixty days he agrees to give the seller $1000.
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Now that’s quite a statement but there are number of very respected statisticians who have a very convincing argument to prove it.
The seller in this case was obliged not to sell that piece of land to anyone else for the next sixty days.