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Quantooox

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Joined on Oct 26, 2026 https://quantooo.com

Quantooox

Nov 13

Same score, two markets: flat in India, backwards in the US

#datascience #machinelearning #statistics #python

2 min read

Quantooox

Nov 12

Three margins, one company: why our 5.9% and the news's 5.5% were both right

#finance #datascience #beginners #python

2 min read

Quantooox

Nov 11

Two checks before you trust a backtest: one-stock luck and regime change

#datascience #statistics #beginners #python

2 min read

Quantooox

Nov 10

A track record nobody can edit: SHA-256, git and Bitcoin timestamps

#opensource #python #security #datascience

2 min read

Quantooox

Nov 9

We scored every headline with FinBERT. News tone didn't predict the next month.

#nlp #machinelearning #datascience #python

2 min read

Quantooox

Nov 8

Where machine learning did help: forecasting market volatility

#machinelearning #datascience #timeseries #python

2 min read

Quantooox

Nov 7

Information coefficient and the t-statistic: is 0.02 better than 0.01?

#statistics #datascience #python #beginners

2 min read

Quantooox

Nov 6

Before costs vs after costs: why we double the trading cost in every test

#datascience #statistics #python #beginners

2 min read

Quantooox

Nov 5

Survivorship bias: testing on today's winners flatters every strategy

#datascience #statistics #beginners #python

2 min read

Quantooox

Nov 3

Overfitting in practice: our rule that simple wins ties

#machinelearning #datascience #deeplearning #statistics

2 min read

Quantooox

Nov 2

Walk-forward testing with an embargo: keeping time in order

#machinelearning #python #datascience #timeseries

2 min read

Quantooox

Nov 1

Out of how many? Multiple testing and the deflated Sharpe ratio

#statistics #datascience #machinelearning #beginners

2 min read

Quantooox

Oct 30

Random referees: two controls every ranking model should beat

#machinelearning #datascience #python #statistics

2 min read

Quantooox

Oct 29

The sealed holdout: why we looked at our test data exactly once

#machinelearning #datascience #statistics #beginners

2 min read

Quantooox

Oct 28

Look-ahead bias: the backtest bug that uses tomorrow's newspaper

#datascience #python #statistics #beginners

2 min read

Quantooox

Oct 27

Our stock score ranked stocks backwards on the one test that mattered

#datascience #statistics #machinelearning #python

2 min read

Quantooox

Oct 26

We tested 12 machine-learning models on the stock market. None of them worked, and we published everything.

#machinelearning #datascience #statistics #opensource

3 min read

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