Treasury Liquidity Is Failing Before the Fail

Scope

This note examines primary dealer Treasury positioning, financing structure, and securities circulation dynamics from 2022 through May 2026 using NY Fed weekly primary dealer statistics. The central question: does behavior consistent with pre-adjustment to mandatory central clearing already appear in dealer balance sheet data, and if so, where? The answer is yes, but not in the series most analysts would look at first. The signal is in the recycling function, not the warehouse size.

What Changed

Net dealer Treasury positions have expanded 335% since early 2022 — from roughly $112 billion to $487 billion. That number looks like health. It is the wrong number to watch.

The right number is lent-per-position. Securities lent relative to dealer inventory has collapsed 81% over the same period, from 0.907 to 0.170. Dealers hold four times more net Treasury inventory than in early 2022 and recycle proportionally five times less of it into the market. The warehouse is larger. The circulation function has not kept pace.

Borrowed-minus-lent is the recycling spread. It measures the gap between securities dealers must source and securities they release back into the market. When that spread widens, dealers are no longer functioning as neutral collateral pass-throughs — they are becoming net consumers of the very collateral the market needs them to circulate. That spread sits at an all-time high in the four-year dataset, at +3.1 standard deviations. Dealers are net consumers of collateral at historic levels, not net providers.

The financing composition is consistent with regulatory pre-adjustment. UST ex-TIPS reverse repo financing has expanded from $1.54 trillion to $2.78 trillion since early 2022 — an 80% increase. The repo book has nearly doubled. Securities lending, one key mechanism by which dealer inventory becomes available to other market participants, has declined in absolute terms and collapsed on a per-position basis. Cleared repo can receive more favorable netting and margin treatment than uncleared bilateral activity; securities lending does not map as cleanly into that same capital-efficiency channel. The timing is consistent with rational pre-adjustment to the future clearing topology, though not sufficient by itself to establish clearing as the sole driver of the compositional shift.

Repo-per-position has declined 59% since 2022 (15.4x to 6.4x), reflecting the warehouse expansion outpacing the financing book. Dealers are financing larger positions with proportionally less repo overhead. That is not a standalone stress signal.

Fails-to-deliver have normalized after the March and April tariff-shock period spikes — $191 billion and $197 billion respectively — and now sit near $90 billion, below the 52-week mean. The settlement stress of that period has cleared. The hidden stress is not in settlement failure; it is in the pre-failure collateral intensity that makes the system brittle before a fail ever registers.

Transaction volumes partially recovered after the April 8th compression from a $1.06 trillion peak to $665 billion, and now register approximately $847 billion as of May 13th. Volume has not returned to the pre-shock range but has not deteriorated further.

The SEC's phased Treasury clearing requirements now extend into 2027, with eligible cash Treasury transactions due by year-end 2026 and repo transactions by June 30, 2027. As those implementation dates approach, the financing composition shift already visible in the data — repo/reverse-repo financing expanding, securities lending contracting — should accelerate. The question is whether that acceleration degrades the recycling function further before the promised efficiency gains from cleared settlement fully materialize. The transition window is where those two curves may not overlap cleanly.

Borrowed-minus-lent at $342 billion is the series to track. Any further widening means the gap between what dealers source and what they provide to the market is still growing. Lent-per-position at 0.170 has very little room to fall before the securities lending channel stops behaving like a meaningful recycling outlet relative to dealer inventory.

Transaction volume recovery from the April shock is the near-term stress test. If volumes do not return to the pre-tariff range by mid-summer, it is evidence that warehouse expansion and volume contraction are operating in the same direction simultaneously — dealers holding more but moving less, which is the operational definition of liquidity illusion.

QT forced the warehouse larger. When the Fed stepped back from Treasury absorption, dealers had to hold more. Net positions went from $112 billion to $487 billion — a structural inventory level much harder to reconcile with a pre-QT absorption regime. That expansion required financing, which the repo market provided at scale.

Pre-clearing economics appear to be changing how the warehouse circulates. Cleared repo can receive favorable balance sheet netting treatment under current capital rules; securities lending does not map as cleanly into that same capital-efficiency channel. Across the post-2022 period, dealers have rotated financing toward cleared-compatible structures, producing the 80% expansion in reverse repo alongside the 81% collapse in lent-per-position. The recycling function — the mechanism by which large dealer inventory becomes available market-wide — has quietly deteriorated while the gross inventory numbers remained impressive.

The result is a warehouse that looks well-stocked on headline metrics but moves less freely than those metrics imply. The April tariff shock tested this directly: transaction volumes dropped 37% from peak and have not fully recovered six weeks later. The stress event revealed what the structural data already suggested — gross inventory is not intermediation capacity.

The transition window is the period between now and full clearing mandate implementation. In that window, rational dealer behavior pre-adjusts to a future cost structure not yet formally in effect. The adjustment is visible in financing composition, not position size. The market does not currently price the difference between a large warehouse and a circulating one. April was a preview of what happens when a demand shock arrives and the recycling function is not where the gross numbers said it was.

Hampson Strategies — Market Note · May 24, 2026

Not investment advice. Personal observations based on publicly available data.

© 2026 Andrew C. Hampson II / Hampson Strategies. All rights reserved.

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Data: NY Federal Reserve Primary Dealer Statistics, weekly series through May 13, 2026. Series availability varies by line item. Net position defined as dealer long minus short, UST ex-TIPS. This note represents structural analysis and does not constitute investment advice.

Andrew C. Hampson II | Hampson Strategies | hscai.org