The most common and most likely answer to this crossword clue is the 9 letter word OVERDRAWN
I've seen this crossword clue in Financial Times
O
V
E
R
D
R
A
W
N
More clues leading to the result OVERDRAWN
- Financially embarrassed? That may be exaggerated
- Part of match without a winner having incurred obligations
- Too tense thus at the bank?
- Exaggerated being in debt …
- Pulled too much into the red
- In trouble with the bank, somehow Dave won right to cross river
- On twisting road, new RV in red
- Not prepared to invest in dodgy vendor in debt
- Too greatly tempted, resulting in being in the red
- In the red van, order forms filled in by head of warehouse
Buddy explains!

The straight part
We know that "in red" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case in red = overdrawn.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.
What does OVERDRAWN mean?
OVERDRAWN verb- To withdraw more money from an account than there is credit; to make an overdraft
- To use a device for shooting arrows shorter than the draw of the bow.
- To exaggerate.
- To draw over the top of existing content.