The LeetCode for Quants|C++ & Python Coding + Brainteasers

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TraderEasy

Ice cream sales and shark attacks are correlated. What is the most likely confounding variable?

ASummer / Heat

BOcean salinity

CPrice of sunscreen

DNumber of lifeguards

myntbit.com/training/moving-average

1  import numpy as np
2  
3  def moving_average(prices, window=20):
4      # Calculate simple moving average
5      weights = np.ones(window) / window
6      return np.convolve(prices, weights, 'valid')

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TraderMedium

A stock has a daily volatility of 2%. What is the approximate annual volatility?

A24%

B~32% (2% × √252)

C40%

D730%

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def fibonacci(n):

if n <= 1: return n

return fib(n-1) + fib(n-2)

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def fibonacci(n):

if n <= 1: return n

return fib(n-1) + fib(n-2)

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Feature	MyntBit	LeetCode	Green Book	Others
Quant-specific questions				Partial
Interactive C++ coding
Career track specialization
Trading competitions
MCQ brainteasers				Partial
Fresh interview questions				Partial
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Python and C++—the two most important languages in quant finance. More languages may be added based on demand.