PHP TRADINGRESEARCH DESK
REVIEW № 08 • AUG 2026
RESEARCH ↓

AUTHORITY TRADING / REVIEW № 08

Quant research review.

Choose a paper, inspect its assumptions, and change the model before accepting the curve.

Research artifacts, not investment advice. Simulated performance is not a promise.
QR-041 / REV. 3PEER REVIEW

Opening Range Reversion

HYPOTHESIS

When the first-hour move exceeds 1.4× ATR without confirming volume, price reverts toward VWAP before the close.

EQUITY CURVE / 2012–2025
$100k$10k
CAGR14.8%
SHARPE1.31
MAX DDNaN%
TRADES1,842
METHODcomposer require phptrading/research
$study = Research::from('opening-range');
$study->costs(bps: 12)->walkForward()->report();
OPEN QUANTITATIVE RESEARCH / PHP

Strategies should survive
the footnotes.

Open tools and experiments for quantitative trading in PHP. Every result includes the hypothesis, the code, the costs, and the conditions that break it.

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HYPOTHESIS FIRST◆COSTS INCLUDED◆FAILURES PUBLISHED◆CODE OPEN
REVIEW STANDARD 04

Where does it fail?

A strategy is not finished when the curve looks good. It is finished when its weaknesses are legible.

PASSOut-of-sample2019–2025 holdout remains positive
PASSWalk-forwardSeven rolling windows compared
PASSCost stressFees and slippage doubled
FAILRegime splitTrend, chop, and crisis isolated
“Publish the losing tests.
They are part of the result.”
THE DESK STANDARD

Reproducible code. Explicit assumptions. Visible transaction costs. No cherry-picked dates. No strategy without a kill switch.

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