Of the three motives for holding money suggested by keynes, which did he believe to be the most sensitive to interest rates?

Of the three motives for holding money suggested by Keynes, the speculative motive is the most sensitive to interest rates base on what he believes.
A speculative motive is a desire to hold cash, to make the best use of any investment opportunity. It is a strategy used by investors to hold cash, investors keep a fair amount with them so as to earn higher profits.