A hara-kiri swap is an interest rate or cross-currency swap that is lacking profit potential for the originator. 

Halloween strategy, is a market-timing strategy based on the theory that stocks perform better between Oct. 31 and May 1 than they do through the rest of the year.

Hard dollars are payments made by a customer to a brokerage firm in return for their services. 

Herd instinct in finance is the phenomenon where investors follow what they see other investors are doing, rather than follow their own analysis.

Hook reversals are short-term candlestick patterns that predict a reversal in the direction of the current trade.

A horizontal line is drawn on a price chart to highlight areas of support or resistance.

Hot money is currency that moves, between financial markets quickly and investors make sure that they are going to get the highest short-term interest rates possible. 

A hot issue is a highly anticipated and hyped initial public offering.

Holdovers are transactions which are in transit and delayed during the collection process until the next cycle which usually comes the next business day.

Horizontal equity is an economic theory that states that individuals with the same income and assets are to pay the same taxes.