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weekly set · timed practice

Weekly set № —.

Four problems, ninety minutes, Sunday 20:00 IST. Ranked on solves and time — never on money. No sign-up: an accepted submit on any of the four inside the window puts you on the board.

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problems stay solvable between editions; only the window countspaper only · educational · not advice
The set
4 problems · 90 minutes · sunday 20:00 ist
  1. 01
    Position size from stop distance
    Trading
    easy10 min
  2. 02
    Half-life of mean reversion
    Quant
    medium25 min
  3. 03
    Quantile outputs → signal
    ML
    medium20 min
  4. 04
    Kalman filter for a price level
    Quant
    hard40 min
the same four every week for now — the set rotates once the board has a history
Past setsloading
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Boardloading
ranked on solves, then time — never P&L
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no prizes, no cash, no returns — a practice set