Monetary Matters
Monetary Matters

How The Treasury Decides Where To Borrow | Steve Hou on Maturity Issuance Policies of U.S. Treasury and Equity Index Construction

Steve Hou, Researcher at Bloomberg Indices, joins Monetary Matters to share his work on Treasury Issuance patterns and equity index construction. Hou explains that “the supply effect” (i.e. the degree to which issuance of long-term bonds rises bond yields is related to stock/bond correlation). He sh

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Jack Farley HostSteve Ho Guest

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Episode Summary

Executive Summary: Steve Ho explains how U.S. Treasury issuance, term premium, and stock-bond correlation interact, arguing that Treasury debt management is mostly a measured response to market demand, deficits, and liquidity needs—not activist manipulation. He also discusses Bloomberg’s systematic equity indices, especially innovation and pricing-power signals, and closes with a macro view that the current market may resemble an early-stage dot-com-style bubble, especially in AI.

Main Topics: Treasury issuance, term premium, and supply effects (Priority: 5/5): Ho’s PhD work finds that the yield impact of Treasury supply depends heavily on stock-bond correlation: when bonds hedge equities, added supply can have a muted or even negative effect on yields; when stocks and bonds move together, supply pressure can lift yields more strongly. How the Treasury manages debt across the curve (Priority: 5/5): The Treasury is described as a low-tactical, rules-driven institution that balances bills vs. longer coupons, spreads issuance across tenors, and lengthens maturity when deficits rise or after recession-related refinancing needs. Response to accusations of activist Treasury issuance (Priority: 4/5): Ho argues that the Yellen Treasury’s shift in bill vs. coupon issuance was broadly consistent with historical Treasury behavior after recessions and during high market demand for liquidity, and that the economic impact of the controversy was overstated. Bloomberg index construction and systematic factor design (Priority: 4/5): Ho describes Bloomberg’s rules-based indices, including a market-cap benchmark (B500), an innovation index based on persistent R&D growth, and a pricing-power index based on stable gross margins. Passive indexing, concentration, and index quality debates (Priority: 4/5): The discussion covers why passive indices are hard to beat, how concentration in mega-cap names reflects real-world winner-take-most dynamics, and why some common indices (Dow, Russell, S&P) have structural quirks or legacy features. Macro outlook and a possible dot-com-style bubble (Priority: 5/5): In the bonus segment, Ho says the market may be entering a late-1990s-style bubble phase driven by AI and broad optimism, where stocks can keep rising even as bond yields also rise before a later correction.

Key Arguments: Treasury supply matters more when investors are already balancing stock-bond correlations; supply pressure is not fixed and depends on the market’s risk appetite for duration. The Treasury generally aims to minimize taxpayer cost while maintaining a manageable maturity profile, not to trade around short-term rate moves like a hedge fund. During recessions, the Treasury tends to issue more bills because the market wants liquidity and short duration, while later it lengthens maturity as conditions normalize and deficits remain elevated. Claims of activist Treasury issuance are overstated because issuance patterns in 2020-2023 largely fit historical post-recession behavior and market communication norms. The market often anticipates Treasury supply in advance, so one-off announcement shocks matter less than the narrative and positioning around them. Innovation can be systematically captured better by persistent R&D growth than by raw R&D intensity; quality and growth screens can identify innovative companies outside the Nasdaq. Pricing power is better captured by stable gross margins than by a simple list of famous megacap names; some expected names may fail the signal because margins are not stable enough. The U.S. equity market’s concentration reflects underlying economic concentration and network effects, not just index design artifacts. Macro regime shifts in inflation and growth can flip stock-bond correlations, changing both portfolio construction and Treasury issuance economics. The current environment may be similar to the early dot-com phase, where a bubble can coexist with further near-term upside before an eventual reversal.

Data Points: Treasury weight-average maturity: about 70 months at the end of Q3 2023 - Ho cites Treasury’s own calculations to show maturity had risen to a multi-decade high after the post-COVID extension. Historical WAM level: highest since the late 1960s / 1970s - Used to argue recent Treasury debt maturity was historically long. QRA move in 2023: 10-year yield rose about 100 bps after the announcement - Discussed as evidence that supply expectations moved term premium and yields. Term premium contribution: about 60-70% of the 2023 yield move - Ho says much of the rise in long rates reflected supply/term-premium compensation rather than only expectations for short-rate policy. Post-2023 reversal: 10-year yield fell by over 100 bps in about 30 trading days - The interview references the sharp decline after Treasury indicated less long-duration borrowing than feared. Post-election Trump-linked stocks: some names nearly doubled from pre-election levels - Ho uses this to describe current speculation and narrative-driven market moves. Innovation index construction: top 100 U.S. large-mid cap companies with 3 consecutive years of R&D growth - Described as the core screen for Bloomberg’s innovation factor index. Pricing power index construction: top 50 companies by stable gross margin over the trailing 5 years - Used to identify firms with stronger pricing power. Nasdaq 100 tech weight: about 60% tech - Mentioned while comparing Nasdaq exposure to Bloomberg’s rules-based innovation index. Stock concentration: 26 companies account for half of index weight - Used to highlight top-heavy concentration in U.S. large-cap benchmarks. R&D index ETF launch: May 2024 - The ETF based on the innovation index was launched after the index had already existed. Correlation window: 2-year trailing weekly correlation - Ho references his stock-bond correlation chart methodology in the bonus discussion.

Pivotal Quotes: "The Treasury aims to issue debt and fund the government at the lowest cost to the taxpayer." — Jack / discussion framing: Introduces the core policy objective behind Treasury issuance decisions. "The more the treasury issues, the higher the price is and the lower the yield is. And that's counterintuitive." — Jack: Summarizes Ho’s finding that supply effects can invert under certain stock-bond correlation regimes. "I increasingly see us in an environment similar to what we witnessed just during the dot-com era." — Steve Ho: The bonus segment’s central macro thesis about a possible bubble regime.

Implications: Listeners should view Treasury issuance, index design, and market concentration as deeply regime-dependent. For investors, stock-bond correlation, inflation, and supply narrative can materially change bond returns and factor performance. For policymakers, measured issuance remains crucial as deficits and rates rise.

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Jack Farley interviews the very best financial minds about macro, markets, and monetary matters. Follow Jack on Twitter @JackFarley96.

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