MacroVoices #550 Harley Bassman: In FED We Trust
Harley Bassman argues that the Fed's credibility crisis stems not from inflation concerns but from fiscal irresponsibility and lack of trust in institutions, with rates rising due to concerns about U.S. dollar stability rather than CPI dynamics. He identifies mortgage convexity risks, fiscal deficits, and the need for coordinated policy between Treasury and Fed as critical issues, while addressing AI's potential impact on alpha generation and market structure.
Summary
In this episode of MacroVoices, fixed income expert Harley Bassman discusses the Federal Reserve's hawkish September 2026 rate hike decision and its broader implications for markets and trust in institutions. Bassman argues that the real problem isn't inflation but a fundamental lack of trust in government institutions, particularly regarding fiscal responsibility. He contends that the 6% fiscal deficit during non-recessionary times represents gross irresponsibility and is the primary driver of rising rates, not inflation concerns. The TIPS-Treasury spread at 2.35% indicates the market isn't genuinely worried about inflation, suggesting investors are instead concerned about the U.S. dollar's value and America's status as a reserve currency. Bassman advocates for the Fed to regain credibility through coordinated action with Treasury, comparing the relationship to "dad and mom" working together to manage financial policy, though he would have preferred a 50 basis point rate hike to end forward guidance more decisively rather than the 25 basis point hike followed by signaling another hike before Christmas.
On mortgage-backed securities, Bassman explains the "convexity beast" problem: recent recouponing of the mortgage market stack has shifted the composition from 71% low-coupon mortgages to 51%, creating a portfolio heavily weighted toward 5.5% coupons that are deeply negatively convex. As the yield curve flattens, mortgage spreads widen from 95 to 110 basis points, increasing negative convexity and creating potential market stress. He details how mortgage bonds function as covered call positions with capped upside at strike prices, making them increasingly risky as rates rise.
Regarding AI and the hyperscaler debt phenomenon, Bassman acknowledges the $750 million in projected AI infrastructure borrowing creates legitimate demand pressure competing with Treasury issuance, but he doesn't foresee default risk because hyperscalers maintain underlying profitable businesses. He disputes concerns that AI will eliminate human alpha generation, arguing that current AI systems react to news rather than predict the future, and that human creativity and character remain valuable. He draws parallels to the dot-com era where multiple competitors existed but only a few winners emerged.
On fiscal solutions, Bassman proposes Simpson-Bowles style reforms including uncapping Social Security (currently at $184,000), raising retirement age gradually to reflect increased lifespans, means-testing Social Security and Medicare, eliminating step-up basis in estates, and solving "70-30 issues" where 70% of the public agrees on policy. He emphasizes that restoring trust requires demonstrating a credible path to fixing fiscal problems, not solving them overnight.
Bassman also discusses ETF risks, highlighting leverage considerations (linear leverage acceptable, daily percentage leverage problematic), return of capital issues where distributions exceed underlying income (indicating self-liquidating funds), and liquidity risks for ETFs holding illiquid derivatives or total return swaps. He addresses stablecoin statecraft positively, arguing USD-backed stablecoins create demand for Treasuries without creating meaningful competition from other currencies due to insufficient underlying asset liquidity.
The Market Desk segment, hosted by Patrick Ceresna and Noah Masil, provides technical analysis: Patrick recommends a long strangle on TLT (20+ year Treasury ETF) betting on volatility expansion, while the market discussion covers Fed credibility issues, Treasury yields at 5%, CTA triggers threatening equity markets, oil above $100 supported by geopolitical risk and constrained supply, dollar strength following the Fed's hawkish signal, gold consolidation around $4,400, copper's crowded bullish positioning at 5-year extremes, and natural gas at extreme net short positioning vulnerable to a squeeze.
About this episode
MacroVoices Erik Townsend & Patrick Ceresna welcome Harley Bassman. They discuss the Fed’s credibility crisis, the fiscal recklessness behind higher term premiums, and how mortgage convexity, ETFs, and hyperscaler borrowing are rewiring the global bond market. https://bit.ly/46wQwnB ✅Sign up for a FREE 14-day trial at Big Picture Trading: https://secure.bigpicturetrading.com/membership/signup/fOY4YJYX 🔴 Subscribe to Patrick’s Youtube Channel: https://www.youtube.com/@Patrick_Ceresna 🔴 Subscribe to Erik's Substack: https://eriktownsend.substack.com/
Key Insights
- Bassman contends that rising rates are driven by loss of trust in U.S. fiscal credibility rather than inflation concerns, as evidenced by stable TIPS-Treasury spreads around 2.35% despite rate increases.
- The fiscal deficit of 6% during non-recessionary conditions with 4.1% unemployment represents what Bassman calls 'gross irresponsibility' and is the primary market concern about U.S. dollar stability as a reserve asset.
- Mortgage-backed securities have undergone 'recouponing' that shifted the market composition from 71% low-coupon bonds to 51%, making the portfolio increasingly negatively convex and vulnerable to spread widening as the yield curve flattens.
- Bassman argues that forward guidance dependency is like 'coming off heroin' for markets, and a decisive 50 basis point rate hike with no further guidance would have been preferable to the current 25 basis point hike with signaling of additional hikes.
- The $750 million projected annual borrowing by hyperscalers for AI infrastructure creates direct competition with Treasury issuance for capital, potentially accounting for 30-35% of total capital markets borrowing.
- Bassman disputes that AI will eliminate human alpha generation because current models react to news rather than predict future events, and humans retain advantages in creativity and character-based decision making.
- Hyperscaler debt should not default despite unprecedented borrowing levels because these companies maintain underlying profitable core businesses that can service debt even if equity holders face compressed returns.
- Proposed fiscal solutions require demonstrating a credible path forward through measures like uncapping Social Security, raising retirement age to 84-equivalent (reflecting 1936 lifespan equivalency), and means-testing benefits rather than solving the problem overnight.
- ETFs using daily percentage leverage experience volatility drag that eventually burns the fund to zero through mathematical decay when assets move up and down, unlike linear leverage which is acceptable for buy-and-hold strategies.
- Bassman expects coordinated action between Fed Chair Warsh and Treasury Secretary Bessent to signal institutional competence and controllable paths forward, even amid broader political dysfunction elsewhere in government.
- USD-backed stablecoins create legitimate demand for Treasury securities without competition risk from other currencies because alternative currencies lack the underlying liquidity to support equivalent transaction volumes.
- CPI has been adjusted downward through hedonic adjustments since the Clinton administration, making it a potentially unreliable inflation metric even though the Fed continues using it as their official inflation target.
Topics
Transcript
What's going on in my view is we have a lack of trust in the government, in a lot of our institutions, and maybe about the Fed. What's really important here is the Fed needs to go and regain the trust of the market. That was Harley Bassman, the fixed income guru who invented the Move Index and who's best known on the street as the convexity maven. Move Index, and who's best known on the street as the Convexity Maven. I'm Eric Townsend, and this is Macro Voices, the free weekly podcast targeting professional finance and sophisticated private investors. Episode 550 was produced September 17th, 2026. Just hours before this week's feature interview was recorded, the Federal Reserve surprised…
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