Decide before the situation
Rules are written and tested before the market asks the question. When volatility arrives there is no room for improvisation, there is a procedure.
The important difference between a quantitative fund and a traditional one is not that a computer decides. It is that the decision is made before the opportunity appears, and that it is written down.
Rules are written and tested before the market asks the question. When volatility arrives there is no room for improvisation, there is a procedure.
An idea that cannot be falsified against data is not a strategy, it is an opinion. A bad hypothesis rejected early is cheaper than a good story.
Commissions, spread and slippage are counted in every test. A strategy that only works at zero cost does not work.
First we set how much can be lost and how fast. Only then do we look at how much can be earned inside those bounds.
Each layer has its own input, its own measure and its own condition for going further. A layer that fails its test stops the process.
We work with point-in-time data, the version that was known on the day. The model cannot see the future, because that is the most common reason a strategy that looks brilliant in a test loses money on a live account.
Hypothesis, out-of-sample test, walk-forward, stress test. A strategy that does not survive that path does not enter the portfolio, however good the chart looks.
Concentration limits, diversification, and transaction cost priced into the decision from the start rather than added at the end. The portfolio is built to be durable, not impressive.
Orders are placed automatically and measured. We report the gap between the assumed price and the one we got, because that is a real cost that eats returns quietly.
A layer independent of the strategy, with hard limits and daily measurement. Risk is a parameter agreed with the investor before launch, not a side effect.
Every quantitative strategy eventually loses its edge. The advantage the data found fades once someone else finds it too. The question is not whether, but how quickly we notice.
Maximum exposure, concentration and permitted drawdown are written as numbers and enforced automatically, with no discretionary step in between.
Every day we compare the strategy's behaviour against its profile from testing. A deviation outside the expected range triggers a review, not a debate.
A strategy that behaves off-model for a set period is switched off, following a procedure written in advance.
We take capital only up to the level at which the strategy still works. Once it is reached, the fund closes to new subscriptions.
The scope and frequency of reporting is one of the survey questions. What follows is what we treat as the minimum.
The survey asks about exactly these parameters: liquidity, reporting, drawdown tolerance and fee structure.