Market signals
Posts on how to interpret QScore signals in the context of broader market regime, sector rotation, and macro themes.
- SanDisk doubled in two months. Our QScore never left HOLD — here's why.As SanDisk (SNDK) doubled over two months, its QScore barely moved off 50 — HOLD, MEDIUM confidence. Momentum at 92 saw the run; risk at 18 and below-average value and growth pulled the other way, and they net to neutral. Built entirely on our committed no-look-ahead snapshots, here's why a doubling and a HOLD belong on the same page.
- Scoring the AI IPOs: why a factor model can't read SpaceX or OpenAI yetSpaceX raised ~$75B at $135 and trades today as SPCX; OpenAI has only filed a confidential S-1. The quant question isn't "buy or not" — it's "can the model even see these yet?" Momentum and risk are undefined without price history, value is distorted by losses, and the honest output is LOW confidence. Here's the factor-by-factor read on the year's biggest listings.
- Reading the Fed like a quant: what rate decisions do to your factorsThree meetings into 2026 the Fed has held at 3.50–3.75% with dissents in both directions and one cut penciled into the dot plot. Rates are the single macro variable that most reliably reorders which factor gets paid — here's the regime-by-regime read on all five QScore factors and how to tilt without overtrading.
- How the stock market behaves before and after Memorial DayPre-holiday drift is one of the oldest claims in market lore. We pulled 36 years of S&P 500 data around Memorial Day, compared it to 10,000 random 5-day windows, and the honest answer is: the direction matches the folklore, the magnitude is small, and the statistical test says "not really."