Macro-to-Micro by Samantha LaDuc

Macro-to-Micro by Samantha LaDuc

Critical Levels For Quant Quakes

A conversation for those who like to geek-out on market structure.

Samantha LaDuc's avatar
Samantha LaDuc
Feb 18, 2026
∙ Paid
  • Historic Dispersion

  • CTAs are Vulnerable

  • Negative Gamma

  • The Week Ahead

  • Gamma Mechanics

Historic Dispersion

This has been “THE theme” for quants in 2026: rotation under the surface caused by tech weakness and value strength that manifests in hedge fund factor rebalancing of size.

Yes, THAT growth-to-value sector rotation I called in November to last through Feb before volatility Mar into May. THAT was my call and it’s still in play before a massive de-risking in MAG7 and SaaS unwind showed up along with a very-well timed warning for metals and crypto volatility - as money rotates into:

  • Value over Growth

  • Cyclicals over Seculars

  • Defensives & Low Beta (even bonds) as proxies over Volatility

The result:

“the S&P index Spot return is 0.0% since Jan 15, but the “Average S&P 500 Stock” absolute move is a blistering +/- 10.8%, i.e. Spread 99%ile over the past 30 years…

The latest “99%ile Absolute Dispersion Spread” event has occurred 8 prior times, so this is the 9th. And with that, forward returns can be challenging... h/t Nomura

And why I remind often:

IN LIEU OF SECTOR ROTATION THERE WILL BE VOLATILITY

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