Takeaway

The presenter argues that the structural relationship between commodity prices and inflation has fundamentally changed since 2020. Energy costs are now a much stronger and more persistent driver of both food and core CPI, with correlations spiking and lag times extending. This suggests that the era of low inflation and interest rates is over, and a "higher for longer" environment is here to stay due to recurring supply-side shocks.

What the presenter said

• The pre-pandemic era of abundance, characterized by cheap energy and expanding supply chains that suppressed inflation, has ended. [00:04]
• Since 2020, the correlation between annual movements in Brent crude and the Bloomberg Agricultural Index has become very strong, at approximately 0.81. [01:05]
• This has tightened the link between agricultural prices and subsequent consumer inflation. The correlation between ag prices and US food CPI at a 9-month lead has jumped from 0.55 (pre-2020) to 0.85 (post-2020). [01:47]
• The link to core inflation is even more pronounced. The correlation between ag prices and core CPI at a 9-month lead has risen from just 0.09 pre-pandemic to 0.86 since 2020. [02:21]
• Similarly, the correlation between Brent crude and core CPI at a 9-month lead has increased from 0.14 to 0.80 in the post-2020 period. [02:52]
• The presenter notes that a succession of major supply shocks (pandemic, Ukraine, Middle East) are now arriving before the inflationary effects of the previous one have dissipated. [03:19]
• If demand remains firm amid these shocks, inflation could become more entrenched through wages and services prices. [03:46]

Trade ideas

• None stated. The presenter's analysis focuses on the structural shift in how commodity-led supply shocks transmit to broader inflation, implying a long-term "higher for longer" regime for inflation and interest rates.

Levels and data cited

• Bloomberg Softs Subindex: Up more than 35% from its February low. [00:32]
• Correlation (Brent crude vs BCOM Agriculture, monthly YoY): 0.81 post-2020.
• Correlation (BCOM Agriculture vs US food CPI, 9-month lead): Rose from 0.55 (2011-2019) to 0.85 (2020+).
• Correlation (BCOM Agriculture vs US food CPI, 12-month lead): Rose from 0.32 (2011-2019) to 0.89 (2020+).
• Correlation (BCOM Agriculture vs US core CPI, 6-month lead): Rose from -0.02 (pre-2020) to 0.79 (post-2020).
• Correlation (BCOM Agriculture vs US core CPI, 9-month lead): Rose from 0.09 (pre-2020) to 0.86 (post-2020).
• Correlation (Brent crude vs US core CPI, 9-month lead): Rose from 0.14 (pre-2020) to 0.80 (post-2020).
• Data sourced from Bloomberg, LSEG, BLS/FRED.

Risks and what would invalidate this

• The key risk cited is that persistent inflationary pressures from supply shocks become entrenched, spreading through wages, services prices, and the broader economy.