Corey Hoffstein

Corey Hoffstein

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Deep dives on quant/factor/ETF portfolio construction.

Portable Alpha Gains Momentum Amid Liquidity Challenges
SocialApr 1, 2026

Portable Alpha Gains Momentum Amid Liquidity Challenges

State of the Portable Alpha Landscape I sit down with Shane McCarthy of LAB Quantitative Strategies for a deep dive into the portable alpha and return stacking landscape, including fresh survey data on how allocators are approaching this space today. 00:00 Welcome...

By Corey Hoffstein
Big‑Bank Collars Neutralize Retail Bets on S&P
SocialMar 31, 2026

Big‑Bank Collars Neutralize Retail Bets on S&P

Don't even ask the question. The answer is yes, it's within the collar. Think the S&P is going to rip to new all-time highs? Sorry, there's a short call at 7155 capping your upside. The hedge fund already sold it....

By Corey Hoffstein
AQR Launches Delphi Fusion: Stacked Global Equity UCITS
SocialMar 31, 2026

AQR Launches Delphi Fusion: Stacked Global Equity UCITS

People often ask when we're going to bring Return Stacked® funds to Europe. Unfortunately, no time soon. But others are starting to bring interesting product to that market. AQR just launched the Delphi Fusion Global UCITS Fund — global equities stacked with their...

By Corey Hoffstein
Diversification Cost Driven by Funding, Not Strategy
SocialMar 26, 2026

Diversification Cost Driven by Funding, Not Strategy

"If You Can't Beat 'It, Stack 'It" Quantica's latest on why the cost of diversification depends on how you fund it, not the diversifier itself. Worth your time. https://t.co/w7oKWKy3Ot

By Corey Hoffstein
Dune III Trailer Feels Like Star Wars Ripoff, No Lawsuit
SocialMar 25, 2026

Dune III Trailer Feels Like Star Wars Ripoff, No Lawsuit

just watched the dune: part three trailer. really crazy to me that george lucas doesn't sue for how much this series rips off star wars.

By Corey Hoffstein
Team Secures Exclusive License for S&P 500 Perpetual Product
SocialMar 19, 2026

Team Secures Exclusive License for S&P 500 Perpetual Product

Alright, y'all, looks like I'm eating crow on this one. This post from @bxunit very much says it is truly exclusive. "While this is the first product of its kind, it is also the only official S&P 500 perp product, meaning trade[XYZ]...

By Corey Hoffstein
Explore Historical Return Stacking with Our New Tool
SocialMar 18, 2026

Explore Historical Return Stacking with Our New Tool

We get lots of questions around what return stacking looks like. So, we built a simple tool to explore how different stack sizes and blends, when layered on different stock/bond bases, behaved historically. (Link below.) https://t.co/ogWicOHDD6

By Corey Hoffstein
Implement Revenue‑Based Weekly LIT Buybacks with Transparent Reporting
SocialMar 16, 2026

Implement Revenue‑Based Weekly LIT Buybacks with Transparent Reporting

As I follow-up to this tweet, I had a call with the Lighter team with one very clear recommendation: Until regulations allow a DAO structure that treats $LIT as equity, you have to define a percentage of revenue that systematically goes...

By Corey Hoffstein
Higher‑Vol Strategies Shift Burden, Damage Manager Track Record
SocialMar 10, 2026

Higher‑Vol Strategies Shift Burden, Damage Manager Track Record

A lot of people ask me for higher volatility alternatives for "capital efficiency" reasons. And on it's face, it makes sense. Instead of putting $100 in a 10% vol strategy, you can just put $25 in a 40% vol strategy. But there are...

By Corey Hoffstein
Big‑Cap S&P Leaders 50% More Volatile Than Index
SocialFeb 25, 2026

Big‑Cap S&P Leaders 50% More Volatile Than Index

The top 10 largest stocks in the S&P 500 are 50% more volatile than the S&P 500 itself right now. Important for risk... but more important for alpha right now. https://t.co/yqBR2QU8nK

By Corey Hoffstein
Annual Returns Converge Across Correlations, Volatility Varies
SocialFeb 23, 2026

Annual Returns Converge Across Correlations, Volatility Varies

I vibe coded a widget to show the idea of the blog post below. It simulates yield curve evolutions and equity market returns. Then it plots the distribution of annualized returns and volatilities over a given horizon using...

By Corey Hoffstein