don't know

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Related to don't know: don't know what to do

Don't know (DK, DKed)

"Don't know the trade." A Street expression used whenever one party lacks knowledge of a trade or receives conflicting instructions from the other party. Also, an unscrupulous claim made by one party denying that the trade had been agreed to and made after the trade goes adversely against that party.

Don't Know

Describing a trade that cannot be settled by a clearing house because the counterparties have contradictory or otherwise inconsistent information on the trade. The clearing house may become aware of the discrepancy by reviewing the comps the brokers gave one another, or by some other method. In this trade, it is said that one or both of the counterparties "does not know the trade."

don't know (DK)

A broker-dealer response to a transaction report when the facts of the trade are in doubt or are unknown.
References in classic literature ?
Don't let your sober face elate you, however; you don't know what it may come to.
Then she observed, "We don't know you--we don't know you.
I don't know what it may be, I don't know what it may not be,' said Newman; 'it's some secret in which your uncle is concerned, but what, I've not yet been able to discover, although I have my strong suspicions.
I am ashamed to say I don't know how to cook anything," she confessed; "you had better leave me out of it.
I don't know who this woman is who's got hold of him, but she's made him into another man.
Then I met Zaleshoff--looking like a hair-dresser's assistant, got up as fine as I don't know who, while I looked like a tinker.
Roberts adopted him, and that's why I don't know his real name.
I don't know,' replies Venus, who is a haggard melancholy man, speaking in a weak voice of querulous complaint, 'to what to attribute it, Mr Wegg.
I don't know," he said; "I'm comfortable here, and I'm too old, Trent, to live your life.
There are plenty of wild enterprises afoot," he admitted, "but I don't know, after all, that I wish you particularly to be mixed up in them.
Of course I don't know how much red carpet a trunk could buy, but it ought to buy some, anyhow--much as half an aisle, don't you think?
I don't know," he laughed, "unless just by loving you, for I loved you hard enough to melt the heart of a stone, much less the heart of the living, breathing woman you are.

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