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Announcement: Platform maintenance March 5th

ALAlphaNova Team
Feb 10, 2026
1,374 views
59 posts
announcement
maintenance

Scheduled maintenance on March 5th, 2026 from 2:00 AM to 4:00 AM UTC.

During this window:

  • Submissions will be paused
  • The leaderboard will be frozen
  • Forum access may be intermittent

Please plan your submissions accordingly. All pending submissions will resume after maintenance.

58 Replies

9
BABayesianBullFeb 23, 2026

For time-series cross-validation, I've found that 5 expanding windows with a 21-day embargo works well for daily data.

7
ENEnsembleKingFeb 12, 2026

For time-series cross-validation, I've found that 5 expanding windows with a 21-day embargo works well for daily data.

12
BUBugHunter991d ago

Anyone else noticing that momentum factors have been working particularly well in the last month of competition data?

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