The most common and most likely answer to this crossword clue is the 6 letter word NASDAQ
I've seen this crossword clue in Independent
N
A
S
D
A
Q
More clues leading to the result NASDAQ
- . Index initially not available so don’t ask questions!
- Well known retailer in Northern Queensland’s first to get a computerised trading system
- Exchange note when lawyer takes question
- New question about supermarket exchange
- Exchange irrelevant type of card with a Queen
- American market having number joining queue initially outside supermarket
Buddy explains!
The straight part
We know that "Exchange" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case exchange = nasdaq.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.