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Quant Corner
Insights, Training, and Career Guidance
Coin Flipping: Using Markov Chains to Compute Expected Times and Probabilities of a Substring
How to use Markov Chains to Compute Expected Times and Probabilities of Coin Flips.
Kash Chandran
Feb 5, 20243 min read
Branching Processes and Extinction
Classic branching process question with variants that appear frequently in quant finance interviews.
Kash Chandran
Jan 28, 20242 min read
Three Stocks with Pairwise Correlations ρ: What Values can ρ Take?
Classic question testing Linear Algebra in the context of Finance.
Kash Chandran
Jan 21, 20241 min read
Newborns and Bayes' Rule
Classic problem of computing the gender of a newborn using Bayes' Rule and Conditional Probability.
Kash Chandran
Oct 3, 20231 min read
The Birthday Problem in Probability
This is a classic problem and has many variants - so you should definitely understand the approach.
Kash Chandran
Sep 1, 20232 min read
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