Credit Spread Monitor for US AI Capex ecosystem

Option-adjusted spreads (OAS — BDT lattice for callable HY, Z-spread for the rest) · 10 bonds · as of 20 Oct 2026 · empirical percentiles vs each bond's own history · 📖 How to read this › · 📁 Archive (last 130) ›
Basket avg OAS
284 bp
Avg level percentile
81 / 100
Widening — 1w top decile
5 / 10
Stale (no fresh trade)
0 / 10

Investment-Grade average OAS 86 bp (+17 bp since 31 Dec 2025)

Mean OAS of the 7 IG bonds — all names except CoreWeave & SpaceX · since 31 Dec 2025
47617690Dec 2025May 2026Oct 2026
← swipe the table sideways for changes, trend & history →
CURRENTLEVEL1-DAY Δ1-WEEK ΔYTDHISTORY
Issuer / coupon / maturityYrsYield %OAS bp%ileΔbp%ileΔbp%ileΔbprange bptrend (last 90)n
CoreWeave 9.75 Oct-31 HY4.9515.341047100+50.895+143.698+505.1*451–1047134
CoreWeave 9.0 Feb-31 HY4.2815.181031100+112.3100+222.0100+280.6416–1031314
Oracle 2.875 Mar-31 IG4.437.21235100+13.598+40.3100+98.066–235452
SpaceX 5.35 Jul-31 HY4.736.5516795+9.895+11.377+62.8*104–17783
Equinix 2.15 Jul-30 IG3.735.678388+2.583-4.912+11.043–115452
Micron 2.703 Apr-32 IG5.495.627142+5.294+7.691-0.929–160452
Digital Realty 3.6 Jul-29 IG2.705.406135+17.0100-6.29-1.544–112452
Meta 4.55 Aug-31 IG4.825.486092+20.799+31.199+21.519–78452
Amazon 2.1 May-31 IG4.565.365086-0.935+1.866+16.427–80452
Alphabet 4.1 Feb-31 IG4.325.274171+0.252-2.236-0.5*-9–51175
Level %ile tight wide (stress) Δ %ile widening tightening no trade Nd carried forward — no FINRA trade in N days ⚠ short history (n<60)* YTD since issue

Newsworthy — last 48h

CNBC · 2026-10-19
CoreWeave Bond Yields Stay Near 15% as AI Stocks Rebound — Credit Investors Are Not Moving On
As of Oct 19, CoreWeave's 9.625% 2032 bonds yielded 14.9% and its 5-year CDS stood at ~1,082 bps — distressed territory — even as AI equities rallied. With ~$35.6B in total debt and Q2 interest expense of $640M against a $49M operating loss, credit markets are openly questioning whether the neocloud's debt-funded capex model (~$31–35B in 2026 alone) is sustainable. A sustained closure of debt-market access would directly threaten CoreWeave's data-center buildout and its role as a key AI-infrastructure provider to Microsoft and OpenAI.
CNBC · 2026-10-19
Credit Stress Is Threatening to Unwind the AI Bull — All Eyes Are on Oracle to Hold the Investment-Grade Line
Oracle's 5-year CDS hit a record 288 bps on Oct 15 and remained elevated on Oct 19, while its longest-dated bonds yield ~8.45% — implying a market-implied 5-year default probability above 20%. Rated BBB- by S&P (the lowest IG rung, downgraded July 9) and Baa2 negative outlook by Moody's, Oracle carries $169B in total debt and burned >$20B in free cash flow over the last four quarters. Economist David Rosenberg called Oracle the 'canary in the coal mine'; a junk downgrade would be the clearest signal of AI-capex credit contagion spreading from neoclouds to investment-grade hyperscalers.
Forbes · 2026-10-18
Nearly 50% of 2026 Data Center Bonds Are Junk — $37B in High-Yield Issuance, More Than 4× the 2025 Total
Of $80B in data-center bonds raised YTD in 2026, $37B — nearly half — are sub-investment-grade, more than four times the 2025 junk total. With ~$4B of CoreWeave corporate debt trading below 80 cents and yields on data-center project bonds averaging 11% (vs. ~7% for BB+ peers), the cost of financing AI capex for Digital Realty, Equinix and neocloud tenants is rising sharply. Combined with $228B+ of IG supply from Alphabet, Amazon, Meta and Oracle this year, the structural shift from equity-funded to debt-funded AI capex is being tested by rising rates and investor fatigue.
Method. OAS = option-adjusted spread over the bootstrapped US Treasury zero curve (from FRED CMT par yields) that reprices each bond's cash flows to its FINRA clean price. For the callable high-yield names (CoreWeave, SpaceX) the embedded call is valued on a Black-Derman-Toy short-rate lattice (CMT curve, lognormal vol per name) and its cost subtracted; the remaining bonds' calls are out-of-the-money (par-call near maturity) so their OAS equals the Z-spread to within a fraction of a bp. Illiquid bonds without a fresh TRACE print carry their last price forward, flagged no trade Nd. Level %ile = today's OAS within the bond's own history; Δ %ile = today's 1d/1w change within all historical same-horizon changes (100 = most extreme widening); PERCENTRANK.INC, suppressed below n=60. The trend sparkline spans each bond's last 90 sessions (shorter if its history is shorter) so all names cover a common window. Watch HY (CoreWeave, SpaceX) blowing out while IG (Meta, Oracle) holds — that divergence is the funding-stress tell.
Generated 2026-10-20T06:01:08.