Fed Cut Odds Surge as Overnight Repo Usage Collapses Below $300B, Signaling Reserve Scarcity
2026-10-25, FP360 — CME FedWatch now prices a 40% chance of a 50bp cut by March 2027 as overnight reverse repo usage collapses below $300B, signaling reserve scarcity. The drop in RRP, from $2.5T in 2023 to just $280B, reflects aggressive QT and a draining liquidity buffer, forcing dealers to scramble for cash. Markets are repricing Fed easing, with 2-year yields falling to 3.80% and the dollar softening.
Falling RRP and rising cut odds signal growing funding stress, favoring duration and risk assets while pressuring the dollar.
Short-duration Treasuries and rate-sensitive equities benefit as reserve scarcity accelerates the Fed's pivot to easing, steepening the curve.
Regional banks and leveraged credit face higher funding costs as reserves dwindle, risking a repo spike and broader liquidity crunch.
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Why Is the Stock Market Down Today? Liquidity Fears Weigh on Equities
Equities are under pressure today as the S&P 500 fell 0.8% to 5,320 and the Nasdaq dropped 1.2%, driven by growing concerns over reserve scarcity. The collapse in overnight reverse repo usage below $300B (from $2.5T in 2023) signals that excess liquidity is drying up, forcing dealers to pay up for cash. This has pushed the SOFR to 5.35%, up 10bps from last week, as banks compete for reserves.
Why Is the Stock Market Up Today? Rate Cut Hopes Provide a Floor
Despite today's decline, the market's year-to-date gain of 12% is underpinned by expectations of Fed easing. CME FedWatch shows a 40% probability of a 50bp cut by March 2027, up from 15% a month ago, as the 2-year Treasury yield has fallen to 3.80%. The 10-year yield stands at 3.95%, flattening the curve, while the DXY has weakened to 100.5. This policy pivot narrative is capping downside, with the VIX at 18, still below its long-term average.
The RRP Collapse and Reserve Scarcity
The overnight reverse repo facility, a key outlet for excess reserves, has seen usage plummet to $280B as of October 24, down from $2.5T in early 2023. This $2.2T drain reflects the Fed's QT program, which has reduced its balance sheet by $1.5T since 2022, and heavy T-bill issuance (over $1T in 2026) that has absorbed cash. Consequently, the reserve-to-GDP ratio has fallen to 11%, nearing the 10-12% threshold the Fed considers ample. The overnight repo rate has spiked to 5.40%, 15bps above the IOER, indicating early signs of scarcity.
Prediction Market Consensus: Circuit Breaker Odds at 7%
On Polymarket, the "NYSE marketwide circuit breaker before 2027?" market assigns a 7% probability, with $42 in 24-hour volume and $133,235 total volume. This reflects a consensus that despite liquidity strains, a marketwide halt is unlikely. However, the low volume suggests thin participation, and any spike in the SOFR or repo rates could rapidly shift sentiment. The 7% implied probability contrasts with the 40% cut odds from CME FedWatch, highlighting that while funding stress is rising, the market does not yet price a systemic event.
Market Telemetry and Outlook
The 2-year yield at 3.80% and 10-year at 3.95% imply a -15bps curve, with the market pricing 100bps of cuts by end-2027. The dollar index at 100.5 reflects easing expectations, while gold has rallied to $2,050/oz. The VIX at 18 suggests complacency relative to funding risks. If RRP continues to fall, the Fed may end QT early or adjust IOER, potentially triggering a rally in duration. Investors should watch the SOFR-OIS spread, currently at 5bps, for signs of escalation.