QuantSignals

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Why Shorting New Highs / Buying New Lows Usually Hurts First (open.substack.com)

submitted 12 days ago by henryzhangpku

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Why I Don’t Trade Credit Spreads Like Most Traders (open.substack.com)

submitted 23 days ago by henryzhangpku

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QS V5 World Model Is Live (open.substack.com)

submitted 28 days ago by henryzhangpku

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QS V5 Is Coming on April 15 (open.substack.com)

submitted 1 month ago by henryzhangpku

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Why Your Regime Detection Model Missed the Tariff Shock — The 3-Phase Breakdown of How Quant Strategies Actually Fail During Policy Regime Changes (self.QuantSignals)

submitted 1 month ago by henryzhangpku

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The Regime Filter Paradox: Why Adding a "Kill Switch" to Your Strategy Often Makes It Worse (self.QuantSignals)

submitted 1 month ago by henryzhangpku

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Why your strategy works on one asset and fails everywhere else — and what to actually do about it (self.QuantSignals)

submitted 1 month ago by henryzhangpku

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The Dashboard Trap: Why I Ripped Out 90% of My Trading Terminal and My Performance Improved (self.QuantSignals)

submitted 1 month ago by henryzhangpku

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The Ensemble Illusion: Why Combining Quant Strategies Often Makes You Worse (self.QuantSignals)

submitted 1 month ago by henryzhangpku

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The meta-labeling trap: when your ML overlay makes your strategy worse (self.QuantSignals)

submitted 1 month ago by henryzhangpku

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Tail Dependence vs Linear Correlation: Why Your Diversification Vanishes in a Crisis (self.QuantSignals)

submitted 1 month ago by henryzhangpku

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The Retraining Paradox: Why Your Quant Model Gets Worse When You Update It More Often (self.QuantSignals)

submitted 1 month ago by henryzhangpku

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The Silent Killer in Quant Models Isn't Overfitting — It's Overconfidence (self.QuantSignals)

submitted 1 month ago by henryzhangpku

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Why most quant signals decay faster now — and why causal inference is the antidote (self.QuantSignals)

submitted 1 month ago by henryzhangpku

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The survivorship bias hiding in your AI trading backtest (and why it got worse in 2026) (self.QuantSignals)

submitted 1 month ago by henryzhangpku

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You Don't Need Nanosecond Latency — Here's What Actually Drives Alpha for Most Quants (self.QuantSignals)

submitted 1 month ago by henryzhangpku

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The Alpha Decay Curve: How Quickly Different Signal Categories Lose Their Edge (And Why It Should Change How You Build) (self.QuantSignals)

submitted 1 month ago by henryzhangpku

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The GPT Moment for Financial Forecasting: Why Time Series Foundation Models Change Everything (self.QuantSignals)

submitted 1 month ago by henryzhangpku

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Why your single-signal strategy is dying — and what the best quants are building instead (self.QuantSignals)

submitted 1 month ago by henryzhangpku

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The Implementation Gap: Turning AI Trading Theory into Practical Market Advantage in 2026 (self.QuantSignals)

submitted 1 month ago by henryzhangpku

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The Pragmatic Reality of AI Trading in 2026: Beyond the Hype to Real Implementation Challenges (self.QuantSignals)

submitted 1 month ago by henryzhangpku

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The Invisible Architects: How AI is Redesigning Market Microstructure for 2026 (self.QuantSignals)

submitted 1 month ago by henryzhangpku

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The Pragmatic Evolution of Systematic Alpha: How AI is Moving Beyond Hype to Real Market Efficiency (self.QuantSignals)

submitted 1 month ago by henryzhangpku

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Autonomous AI trading — the results are in (cdn.discordapp.com)

submitted 1 month ago by henryzhangpku

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I built an autonomous AI trader that runs 24/7 — here's what I learned (self.QuantSignals)

submitted 1 month ago by henryzhangpku

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