Double

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Double

The purchase of a call and a put on the same underlying asset with the same strike price and the same expiration date. A double enables one to profit from whatever price movement the underlying takes. That is, if the price goes up, the holder exercises the call, and if it goes down, he/she exercises the put. If one of the options is in the money, the other must be out of the money.
References in classic literature ?
And I knew well enough also that my double there was no homicidal ruffian.
It occurred to me that if old "Bless my soul--you don't say so" were to put his head up the companion and catch sight of us, he would think he was seeing double, or imagine himself come upon a scene of weird witchcraft; the strange captain having a quiet confabulation by the wheel with his own gray ghost.
My double followed my move- ments; our bare feet made no sound; I let him in, closed the door with care, and, after giving a call to the second mate, returned on deck for my relief.
The problem is a double one, and requires a double solution.
There doth the heart become giddy through its double will.
Ah, friends, do ye divine also my heart's double will?
The waking Flintwinch was the old original; the sleeping Flintwinch was the double.
All here,' said Double, tying up his throat with sleepy carefulness in a shawl.
said Double, tasting it as if he were in the Docks, with hours to spare.
Another double,' said the old lady, triumphantly making a memorandum of the circumstance, by placing one sixpence and a battered halfpenny under the candlestick.
While Mr Brass by turns overwhelmed his clerk with compliments and inspected the ten-pound note, Miss Sally showed little emotion and that of no pleasurable kind, for as the tendency of her legal practice had been to fix her thoughts on small gains and gripings, and to whet and sharpen her natural wisdom, she was not a little disappointed that the single gentleman had obtained the lodgings at such an easy rate, arguing that when he was seen to have set his mind upon them, he should have been at the least charged double or treble the usual terms, and that, in exact proportion as he pressed forward, Mr Swiveller should have hung back.
We have been moving chests of drawers over his head, we have knocked double knocks at the street-door, we have made the servant-girl fall down stairs several times (she's a light weight, and it don't hurt her much,) but nothing wakes him.