Commercial Paper Market Hits $1.42 Trillion as Credit Spreads Reach 75th Percentile

As of the April 29, 2026 observation date, total commercial paper outstanding reached $1,423.0 billion. This represents a weekly increase of $4.3 billion, continuing a trend of expansion in short-term corporate borrowing. The current credit spread between A2/P2 and AA-rated paper stands at 35 basis points. This spread level places the market in the 75th percentile of historical observations, suggesting some elevation in perceived risk. Despite the widening, the total volume remains well within its 52-week range of $1,288.7 billion to $1,472.7 billion. Overall, the market shows steady demand for funding even as credit differentiation becomes more pronounced.

Outstanding Amounts

The total outstanding balance of $1,423.0 billion reflects a significant monthly growth of $89.2 billion. This monthly surge suggests that corporations are increasingly leaning on short-term markets for liquidity. While the weekly change was a modest $4.3 billion increase, the broader trend remains upward compared to the 52-week low of $1,288.7 billion. We are currently positioned in the upper half of the annual range, though still below the peak of $1,472.7 billion. The growth in volume indicates that the market remains open and functional for high-quality issuers. However, the pace of expansion will be closely watched to see if it signals a shift in corporate cash management strategies.

Interest Rates

Fed Funds: 3.64% | 3M T-Bill: 3.60%

Interest rates across the commercial paper spectrum show a slight premium over traditional benchmarks. The 30-day AA financial rate is currently 3.67%, which is 3 basis points higher than the 3.64% Fed Funds rate. Meanwhile, the 90-day AA financial rate sits at 3.81%, indicating a normal upward-sloping term structure in the short-term market. The 30-day AA nonfinancial rate of 3.68% is nearly identical to its financial counterpart, suggesting uniform costs for top-tier issuers. Funding costs for lower-rated A2/P2 issuers are notably higher at 4.03%, reflecting a clear tiering in the market. Compared to the 3-month T-bill at 3.60%, commercial paper offers a yield pickup of 8 basis points for investors.

Credit Spreads

The credit spread between A2/P2 and AA-rated nonfinancial paper has widened to 35 basis points. This spread is a key indicator of credit stress, as it measures the extra yield demanded for lower-rated corporate debt. At the 75th percentile, this spread is higher than the historical median of 24 basis points. This elevation suggests that lenders are becoming more selective and demanding higher compensation for credit risk. While not at crisis levels, the widening indicates a shift away from the extremely tight conditions seen in previous years. Monitoring this spread is essential for identifying potential liquidity bottlenecks for less-than-prime borrowers.

Credit Spread Trend

Historical Context

Historically, a credit spread of 35 basis points has been a constructive signal for equity markets. Similar periods, such as August 2025 and June 2025, saw spreads in the 30 to 33 basis point range. Following these historical parallels, the S&P 500 has shown a median 3-month forward return of +6.9%. In fact, 75% of the eight historical periods with similar spreads resulted in positive equity returns over the following six months. The current 75th percentile ranking shows that while spreads are wide, they are far from the historical maximum of 615 basis points. This context suggests that the current stress is relatively contained and often precedes market gains.

Sector Breakdown

The composition of the commercial paper market shifted notably this week, led by a $15.0 billion increase in Financial CP. Financial CP now totals $617.0 billion, accounting for 43% of the total market outstanding. Conversely, Nonfinancial CP saw a significant contraction of $19.3 billion, falling to a total of $351.2 billion. Asset-Backed Commercial Paper (ABCP) grew by $9.0 billion to reach $441.7 billion, or 31% of the market. This divergence suggests that financial institutions are actively seeking liquidity while nonfinancial corporations may be paying down short-term debt. The growth in ABCP indicates continued health in the securitized short-term lending space.

Funding-Sensitive Stocks

Funding-sensitive stocks, particularly in the banking and financial sectors, are directly impacted by these CP market shifts. The $15.0 billion increase in financial CP suggests banks are actively managing their short-term liabilities to support lending. For asset managers, the 35 basis point spread offers an attractive yield opportunity compared to government securities. However, nonfinancial corporations with lower credit ratings may face higher interest expenses as A2/P2 rates rise. If spreads continue to widen, companies with heavy reliance on short-term roll-overs could see pressure on their net interest margins. Investors should monitor high-leverage stocks that may be sensitive to these rising short-term borrowing costs.

Market Implications

The broader market implications of the current CP data suggest a tightening of credit conditions without a full-scale freeze. The 4 basis point spread over Fed Funds indicates that liquidity is still flowing relatively freely for top-tier names. Money market funds are likely seeing steady inflows as CP rates remain competitive against T-bills. The widening credit spread serves as a warning sign for broader credit markets, potentially signaling a move toward more defensive positioning. However, the overall growth in total outstanding paper to $1.423 trillion shows that the financial plumbing remains robust. Central banks typically monitor these spreads as an early warning system for systemic financial stress.