Handling convexity traps before volatility spikes

Niels and Cem reflect on a year marked by concentration, confidence, and growing structural fragility beneath calm markets. They examine extreme positioning, record low cash levels, and the quiet dominance of reflexive flows over fundamentals. Cem challenges common readings of volatility, explains where real fear hides in options markets, and outlines why tail exposure becomes critical late in cycles. The discussion broadens into portfolio construction, questioning the legacy of 60/40 investing and the illusion of diversification built during falling-rate decades. Grounded in history, market structure, and political cycles, this conversation offers a disciplined framework for navigating regimes where leverage, policy, and inequality quietly redefine risk.

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Episode TimeStamps:

00:00 - Introduction to the Systematic Investor Series

00:49 - Geopolitical tensions beneath the surface of markets

02:07 - Extreme bullish sentiment and record low cash levels

04:12 - Margin use, positioning, and why this setup is fragile

06:07 - Why the VIX fails as a true fear indicator

11:48 - Buffett’s concentration and risk management through quality

16:27 - Leverage, Sharpe ratios, and misunderstood diversification

21:02 - Trend following performance and late year positioning

23:48 - Positioning, reflexivity, and market microstructure

28:25 - Volatility traps and convexity before stress events

31:06 - Asymmetric opportunities in gold, FX, and bond volatility

37:17 - Populism, inequality, and long cycle market behavior

45:31 - Why 60/40 is a product of a falling rate era

54:47 - Key lessons from 2025 and structural market shifts

01:07:32 - Political cycles, midterms, and forward looking risks

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