[MACRO] ⏱ 3 MIN READ • 2026-10-17 01:00:24 UTC JSON API [RAW]

Fed QT Runoff: Reserves Near $3T as ON RRP Depletes, Money Markets Show Early Strain

Fed balance sheet runoff continues at $60B/mo Treasuries and $35B/mo MBS, draining reserves toward $3.0T. Overnight reverse repo (ON RRP) has collapsed to $180B, leaving reserves as the marginal liquidity buffer.

⚡ EXECUTIVE 30-SECOND INVESTOR MATRIX

🎯 THE SIGNAL

Reserve scarcity is tightening the front-end basis; watch for SOFR-IORB spread widening and repo spikes as buffers thin.

📈 BULLISH VECTORS

Money market funds and short-duration Treasury holders benefit as bill yields stay elevated and repo demand surges.

📉 BEARISH VECTORS

Duration-sensitive equities and credit are at risk if reserve scarcity forces an early QT taper, triggering a policy reversal rally in bonds but a risk-asset shock.

⚠️ PRIMARY RISK TRIGGER: A failed Treasury auction or a repo market dislocation could force the Fed to end QT abruptly, spiking volatility across rates and equities.

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Reserve Drain Mechanics Reserve balances at the Fed stand at $3.05T, down $1.2T from the April 2022 peak of $4.25T. The ON RRP facility has absorbed $2.1T of excess liquidity since 2022, but its balance has plunged to $180B, leaving reserves as the sole marginal liquidity source. The Fed's combined Treasury and MBS runoff is $95B/mo, implying a $1.14T annual drain. With the TGA at $750B, any rebuild will further drain reserves, accelerating scarcity.

Funding Market Stress Signals SOFR has fixings at 5.31%, 2bps above IORB, a sign of collateral scarcity. The SOFR-IORB spread has widened from -3bps to +2bps in three months. Repo volumes at the NY Fed's reverse repo operations have fallen to $180B, down from $2.5T in Dec 2022. The 3-month T-bill yield at 5.28% is 3bps below SOFR, inverting the bill-curve and signaling collateral tightness. MMF AUM at $6.5T remains a buffer, but its allocation to ON RRP is now just 2.8%.

Fed Reaction Function & Thresholds The Fed's 2019 experience suggests reserves below $2.8T (or 8% of GDP) could trigger repo spikes. Current reserves are 10.9% of GDP; a further $250B drain would hit the danger zone. We estimate QT will conclude by Q3 2025 if reserve scarcity persists. The FOMC's May minutes noted 'monitoring money markets closely,' a tacit admission of the runoff's limits. A taper would likely involve slowing Treasury runoff to $30B/mo while keeping MBS caps.

Cross-Asset Implications A QT taper would steepen the 2s10s curve (currently 45bps) as front-end yields fall, while the 10Y term premium (85bps) could compress. The dollar index at 104.5 would weaken, supporting gold at $2,740/oz. Equities, however, face a valuation reprieve only if the taper is growth-positive; otherwise, it signals underlying fragility. Watch the SOFR-IORB spread and reserve balances for the trigger.