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John Hull

"In the interest rate area, traders have for a long time used a version of what is known as Black's model for European bond options; another version of the same model for caps and floors; and yet another version of the same model for European swap options."

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"In the interest rate area, traders have for a long time used a version of what is known as Black's model for European bond options; another version of the same model for caps and floors; and yet another version of the same model for European swap options."

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Donna Grant

"We cannot measure time. We can only measure changes of life and the universe."

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Donna Grant

"I wouldn't ask too much of her,' I ventured. 'You can't change the past.''Can't change the past?' he cried incredulously. 'Why of course you can!"

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Donna Grant

"Life is a bubble in the ocean of time. At the same time, it can hold all the water of the ocean in her heart."

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Donna Grant

"Wouldn't it be amazing if you could travel into the future, see where you messed up, and then go back in time to rearrange things in order to make your future better? You can. If you can foresee regret, you can mind-travel to the future. If you can train yourself to mind-travel effectively, you can intentionally affect your future by doing something about it today."

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Donna Grant

"A broad margin of leisure is as beautiful in a man's life as in a book. Haste makes waste, no less in life than in housekeeping. Keep the time, observe the hours of the universe, not of the cars."

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Donna Grant

"God had infinite time to give us.... He cut it up into a near succession of new mornings and with each therefore a new idea new inventions and new applications."

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Donna Grant

"Time is the greatest and longest-established spinner of all. ... His factory is a secret place his work noiseless and his hands are mutes."

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Donna Grant

"Eternity is a mere moment, just long enough for a joke."

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Donna Grant

"The value of time is immeasurable."

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Donna Grant

"Sometimes I feel like if you just watch things, just sit still and let the world exist in front of you - sometimes I swear that just for a second time freezes and the world pauses in its tilt. Just for a second. And if you somehow found a way to live in that second, then you would live forever."

Explore more quotes by John Hull

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John Hull
"We concluded that you cannot rely on delta hedging alone. It sounds simplistic to say that now, but back then, this was the sort of thing people were only just beginning to realize."
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John Hull
"Alan White and I spent the next two or three years working together on this. We developed what is known a stochastic volatility model. This is a model where the volatility as well as the underlying asset price moves around in an unpredictable way."
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John Hull
"If each of your time steps is one week long, you are not modeling the stock price terribly well over a one-week time period, because you are saying that there are only two possible outcomes."
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John Hull
"In the interest rate area, traders have for a long time used a version of what is known as Black's model for European bond options; another version of the same model for caps and floors; and yet another version of the same model for European swap options."
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John Hull
"Our research led on to other things, such as the fact that exchange rates are not lognormally distributed."
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John Hull
"Our tree is actually a tree of the short-term interest rate. The average direction in which the short-term interest rate moves depends on the level of the rate. When the rate is very high, that direction is downward; when the rate is very low, it is upward."
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John Hull
"There are challenges in terms of the measurement of VAR for what are known as nonlinear derivatives, where things like gamma and vega are important dimensions of the risk."
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John Hull
"The real challenge was to model all the interest rates simultaneously, so you could value something that depended not only on the three-month interest rate, but on other interest rates as well."
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John Hull
"We started giving presentations at practitioner conferences in 1986, and since then all of our derivatives research has been stimulated by contact with practitioners."
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John Hull
"The HoLee model was the first term structure model. I remember reading their paper soon after it was published and as it was fairly different from many of the other papers that I had read, I had to read it quite a few times. I realized that it was a really important paper."
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