Community Forum
Discuss strategies, share insights, and collaborate with fellow quants.
89votes
Welcome to the AlphaNova Community
announcements
general
announcement
ALAlphaNova Team
41 posts
107 views
89 votes18h ago83votes
Q1 2026 Momentum Challenge -- Discussion Thread
competition
competition
momentum-challenge
ALAlphaNova Team
47 posts
159 views
83 votes4d ago90votes
Q2 2026 competition early discussion
competition
competition
upcoming
SHSharpeShooter
17 posts
786 views
90 votes10h ago30votes
Risk-adjusted returns: Sharpe vs Sortino in competitions
research
strategy
risk-management
RERegimeDetector
41 posts
309 views
30 votes17h ago63votes
Competition scoring deep dive: how Sharpe is calculated
help
help
scoring
sharpe-ratio
BABayesianBull
32 posts
656 views
63 votes19h ago45votes
Team formation for Q2 competitions
competition
competition
teams
collaboration
FAFactorZoo
42 posts
2,898 views
45 votes1d ago17votes
Maximum drawdown constraints in portfolio optimization
research
strategy
risk-management
optimization
SHSharpeShooter
28 posts
2,411 views
17 votes1d ago42votes
Neural network architectures for financial time series
research
strategy
deep-learning
neural-networks
DADataSciPro
36 posts
2,715 views
42 votes2d ago38votes
Handling missing data in financial datasets
help
help
data-cleaning
RIRiskQuant
5 posts
1,135 views
38 votes2d ago11votes
Competition ethics: where do we draw the line?
general
general
ethics
community
BUBugHunter99
29 posts
906 views
11 votes3d ago15votes
Position sizing strategies for risk-parity portfolios
research
strategy
portfolio-construction
risk-parity
RERegimeDetector
28 posts
2,114 views
15 votes3d ago44votes
Feature importance: Shapley values for financial models
research
strategy
interpretability
shap
BABayesianBull
10 posts
1,465 views
44 votes4d ago25votes
AlphaNova platform roadmap -- what features do you want?
general
general
feedback
ALAlphaNova Team
24 posts
2,580 views
25 votes5d ago45votes
Alternative data sources for quant models
research
strategy
alternative-data
SHSharpeShooter
44 posts
1,396 views
45 votes6d ago28votes
XGBoost vs LightGBM for alpha generation
research
strategy
machine-learning
gradient-boosting
QUQuantDev42
15 posts
2,614 views
28 votesFeb 24, 202614votes
Best practices for feature engineering in time-series data
research
strategy
feature-engineering
ALAlphaNova Team
20 posts
2,644 views
14 votesFeb 22, 202671votes
Kalman filters for dynamic factor loading estimation
research
strategy
state-space
kalman
MIMicroAlpha
37 posts
1,267 views
71 votesFeb 18, 202612votes
Python vs R for quantitative analysis -- 2026 edition
general
general
tools
VOVolTrader
29 posts
2,159 views
12 votesFeb 18, 202635votes
Walk-forward optimization: avoiding overfitting
research
strategy
backtesting
optimization
COCovarianceKid
60 posts
2,591 views
35 votesFeb 15, 202610votes
Help: RuntimeError in submission container
help
help
technical
submission
SHSharpeShooter
17 posts
2,223 views
10 votesFeb 15, 202630votes
GARCH models for volatility forecasting -- implementation tips
research
strategy
volatility
garch
GRGradientHunter
38 posts
291 views
30 votesFeb 13, 202636votes
Announcement: Platform maintenance March 5th
announcements
announcement
maintenance
ALAlphaNova Team
59 posts
1,374 views
36 votesFeb 11, 202631votes
Understanding transaction cost models in competition scoring
help
help
scoring
RERegimeDetector
15 posts
1,813 views
31 votesFeb 11, 202654votes
Ensemble methods for combining multiple alpha signals
research
strategy
machine-learning
COCovarianceKid
15 posts
1,004 views
54 votesFeb 6, 202624votes
Market microstructure signals -- anyone using order book data?
research
strategy
microstructure
ALAlphaNova Team
33 posts
2,114 views
24 votesFeb 5, 202690votes
Bug report: Submission results showing NaN for some metrics
help
general
bug-report
NEnewbie_trader
8 posts
986 views
90 votesFeb 1, 202646votes
Getting started with the submission API
help
general
help
api
QUQuantDev42
59 posts
1,835 views
46 votesFeb 1, 202643votes
How to debug low scoring submissions
help
help
debugging
scoring
BABayesianBull
8 posts
1,195 views
43 votesJan 28, 202633votes
Market impact models for realistic backtesting
research
strategy
market-impact
backtesting
DADataSciPro
19 posts
1,967 views
33 votesJan 25, 202627votes
Covariance estimation: shrinkage vs. factor models
research
strategy
covariance
portfolio-construction
RERegimeDetector
7 posts
1,798 views
27 votesJan 24, 2026