Rosa Del Mar

Daily Brief

Issue 70 2026-03-11

Fed Repo Plumbing Regulatory Bottleneck

Issue 70 Edition 2026-03-11 9 min read
General
Sources: 1 • Confidence: Medium • Updated: 2026-04-11 17:05

Key takeaways

  • Eric Wallerstein argues concerns about a 'Treasury–Fed accord 2.0' are overstated because liquidity injections to stabilize basis-trade-driven funding strains already resemble fiscal dominance and Treasury issuance choices can offset Fed balance-sheet decisions.
  • An unidentified speaker argues the appropriate regional rotation framing is 'buy the Americas' rather than 'sell America,' with Latin America as a complementary beneficiary of US growth and supply-chain reorientation.
  • Eric Wallerstein argues that US policy actions tend to occur when the president prioritizes an issue or when a small set of principals align and elevate a proposal, rather than by strict adherence to strategy documents.
  • Eric Wallerstein disputes recent market narratives about AI-driven labor shock and the Iran conflict, arguing markets ignored country/region differences and mispriced assets via exaggerated global co-movement.
  • Eric Wallerstein disputes market pricing of ECB hikes in response to an energy-driven shock, arguing higher energy costs worsen Europe’s terms of trade and growth outlook, making hikes unlikely and cuts more plausible.

Sections

Fed Repo Plumbing Regulatory Bottleneck

  • Eric Wallerstein argues concerns about a 'Treasury–Fed accord 2.0' are overstated because liquidity injections to stabilize basis-trade-driven funding strains already resemble fiscal dominance and Treasury issuance choices can offset Fed balance-sheet decisions.
  • Eric Wallerstein argues the standing repo facility has been ineffective in practice because stigma and channel design prevent it from reaching the true marginal funding demander (hedge funds).
  • Eric Wallerstein argues separating bank supervision/regulation from monetary-policy implementation has been harmful because reserve additions used to stabilize funding markets effectively become monetary policy.
  • Eric Wallerstein argues fears about Kevin Warsh aggressively shrinking the balance sheet are overdone, because balance-sheet reduction is acceptable if bank deregulation improves Treasury absorption and funding-market resilience.
  • Eric Wallerstein argues the core post-2019 funding-market problem persists because hedge funds and primary trading firms drive the upper tail of repo rates while bank balance sheets remain constrained by regulation.
  • Eric Wallerstein claims banks hold roughly $3 trillion in reserves largely due to regulatory requirements and supervisory preferences for reserves over other comparable HQLA.

Latin America As Americas Beneficiary

  • An unidentified speaker argues the appropriate regional rotation framing is 'buy the Americas' rather than 'sell America,' with Latin America as a complementary beneficiary of US growth and supply-chain reorientation.
  • Eric Wallerstein argues Latin America can support advanced manufacturing as a lower-cost alternative to the US while maintaining a well-educated labor base and fewer labor-rights concerns than some Asian supply-chain hubs.
  • An unidentified speaker predicts a 'Don Roe Doctrine' orientation prioritizing US influence and economic integration across the Americas is likely to persist for years and could continue under a future Republican administration.
  • Eric Wallerstein predicts Latin America is positioned as a relative geopolitical and macro winner due to proximity to the US, resource endowments, manageable exposure to Middle East maritime chokepoints, and ability to build reserves via current-account surpluses.
  • Eric Wallerstein predicts US-linked growth and FDI will funnel more toward Latin America, potentially driving currency appreciation and a multi-year investment renaissance.
  • Eric Wallerstein predicts a Washington policy regime shift toward greater openness to crypto and neobanks could enable Latin American fintechs to expand into the US via cross-border customer overlap.

Regional Spheres And Trade Regime Shift

  • Eric Wallerstein argues that US policy actions tend to occur when the president prioritizes an issue or when a small set of principals align and elevate a proposal, rather than by strict adherence to strategy documents.
  • Eric Wallerstein predicts a persistent US tariff baseline of roughly 10–15% on most non-China partners and roughly 30–35% on China that lasts for years and may survive a future Democratic administration.
  • Eric Wallerstein argues that the global economy is moving toward competing regional spheres where natural resources and supply-chain resilience carry higher strategic and market value.
  • Eric Wallerstein argues that China’s use of rare earths as leverage has accelerated US domestic and near-abroad supply-chain rebuilding efforts, and that the US position is materially improved versus a year ago.
  • An unidentified speaker predicts a 'Don Roe Doctrine' orientation prioritizing US influence and economic integration across the Americas is likely to persist for years and could continue under a future Republican administration.

Correlation Regimes Vs Dispersion Regimes

  • Eric Wallerstein disputes recent market narratives about AI-driven labor shock and the Iran conflict, arguing markets ignored country/region differences and mispriced assets via exaggerated global co-movement.
  • Eric Wallerstein proposes a framework where tangible physical shocks raise global cross-asset correlations while intangible policy shocks restore country-by-country dispersion.

Europe Terms Of Trade Energy Shock

  • Eric Wallerstein disputes market pricing of ECB hikes in response to an energy-driven shock, arguing higher energy costs worsen Europe’s terms of trade and growth outlook, making hikes unlikely and cuts more plausible.
  • Eric Wallerstein predicts European cyclicals (e.g., autos and industrials) are likely losers under a mix of energy shock and trade frictions regardless of whether the ECB hikes.

Unknowns

  • Will the predicted multi-year US tariff baselines (by partner group) actually persist, and what exemptions/carve-outs will define the effective tariff rate?
  • What objective evidence supports the claim that the US rare-earth supply-chain position is 'materially improved' versus a year ago (permitting, refining capacity, offtake, import concentration)?
  • Does the proposed 'physical shock increases correlation, policy shock restores dispersion' framework hold under backtesting across multiple recent shock windows?
  • Were the cited November repo conditions unusually stressed by observable metrics (SOFR tail events, repo rate dispersion, operation sizes), and what was the proximate trigger?
  • How large are basis-trade positions and which intermediaries are the marginal drivers of repo tail stress (hedge funds vs dealers vs bank constraints)?

Investor overlay

Read-throughs

  • US repo and QT outcomes are constrained more by intermediary balance sheet capacity and basis trade leverage than by reserve levels alone, making funding stress nonlinear and motivating bill-heavy SOMA or clearing reforms rather than larger standing facilities
  • Trade and industrial policy may be path dependent and persistent if driven by presidential priority and principal alignment, so tariff baselines and supply chain actions could endure even when strategy documents shift
  • Europe risk pricing may be more sensitive to energy driven terms of trade damage than to expected ECB tightening, with energy shocks implying weaker growth and a higher chance of cuts than hikes

What would confirm

  • Observable repo strain shows tail events and dispersion in repo and SOFR, larger or more frequent Fed operations, and commentary emphasizing balance sheet constraints and basis trade dynamics
  • Policy developments reflect principal driven decisions, with tariff baselines implemented and maintained, limited exemptions, and tangible steps on supply chain rebuilding such as permitting, refining capacity, and offtake progress
  • European data and central bank communication emphasize growth drag from energy costs, downshift in hiking rhetoric, and market pricing migrates from hikes toward cuts amid weak activity indicators

What would kill

  • Repo markets remain orderly through stress windows, SRF usage is sufficient, basis trade positioning is shown to be small, or regulatory constraints are eased without recurring repo tails
  • Tariff baselines fade through broad carve outs or reversals, and policy actions track formal strategy documents rather than leadership priorities and principal alignment
  • Europe absorbs higher energy costs without material growth deterioration, inflation persistence forces actual ECB hikes, and relative performance aligns with tightening rather than terms of trade damage

Sources