merge_asof for backward-join on time

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Task

📝 **Question:** Predict the output bid list for the snippet above.

📋 Pick the right answer.

💡 **Hint:** Re-read the theory above if unsure.

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📊quiz

qcut for quantile-based bucketing

📊quiz

Loading a CSV

📊quiz

Selecting columns and rows

🤖predictFREE

Prerequisites — what you should know before this track

⚡predictFREE

Prerequisites — what you should know before this track

🔮 Predict the output

Read the code carefully

# trades at 10:00:00, 10:00:05, 10:00:10
# quotes at 09:59:50 (99.5), 10:00:03 (101.5), 10:00:08 (100.5)
# direction='backward': pick latest quote ≤ trade time
print([99.5, 101.5, 100.5])

What will the program print? Write here:

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💬 Discussion