Double Bottom/ Double Top

These are reversal patterns. It is a decline or advance twice to the same level (plus or minus 3%). It indicates support or resistance at that level. These are signature patterns that are playable with little or no confirmation.

Debt Value

The total dollar value of volume traded on one side of the transaction for a specified period. It equals price multiplied by volume divided by 100.

Downtick

A trade is on a downtick when the last trade occurred at a price lower than the previous one.

Delisted Issue

The status of a security that is no longer listed on the Exchange. The security could trade on another market.

Delivery

The tender and receipt of the underlying commodity or the payment or receipt of cash in the settlement of an open futures contract.