Highest possible amount of money that a player can win in one day in jeopardy?

To determine the highest possible amount of money a player can win in one day in Jeopardy!, we need to consider three factors: regular gameplay, Daily Doubles, and Final Jeopardy.

1. Regular Gameplay: In regular gameplay, each correct response earns the player the value of the clue. The dollar values on the board range from $200 to $1,000 in round one and from $400 to $2,000 in round two.

Assuming the player selects the highest-value clues and responds correctly to all clues in both rounds, the maximum amount they can win from regular gameplay is:
Round 1:
- First 5 clues ($1,000 each): $5,000
- Last clue ($2,000): $2,000

Round 2:
- First 5 clues ($2,000 each): $10,000
- Last clue ($4,000): $4,000

Total from regular gameplay: $21,000

2. Daily Doubles: The player could potentially find both Daily Doubles and wager all of their earnings on each one. The maximum amount they can wager is the current score they have at that moment.

Assuming the player finds both Daily Doubles and wagers their full earnings on both, the total they can win from the Daily Doubles is:
- Daily Double 1: $21,000 (maximum amount from regular gameplay) = $21,000
- Daily Double 2: $21,000 (maximum amount from regular gameplay) + $21,000 (winnings from Daily Double 1) = $42,000

Total from Daily Doubles: $63,000

3. Final Jeopardy: The player can wager any amount up to their total score accumulated in regular gameplay and Daily Doubles.

If the player wagers their full earnings from regular gameplay and Daily Doubles, their potential winnings from Final Jeopardy would be:
- $21,000 (regular gameplay and Daily Doubles) + $63,000 (winnings from Daily Doubles) = $84,000

Thus, the highest possible amount of money a player can win in one day in Jeopardy! is $84,000, assuming they answer all clues correctly, find both Daily Doubles, and wager their full earnings on each Daily Double and Final Jeopardy.