BDC Weekly

BDC Weekly: The Fed Raised Rates. All 10 BDC Stocks Fell.

The Fed raised rates. Floating-rate lenders should benefit. Yet every BDC in our ten-name Friday sample fell. Here is the mechanism the market is pricing.

Updated September 21, 2026.

By The Drift Research Team

The Federal Reserve raised rates. Floating-rate lenders should earn more. Every Business Development Company in our ten-name Friday sample fell anyway.

That is the week in one contradiction.

On Wednesday, the Federal Open Market Committee raised its target range by 0.25 percentage point to 3.75%-4.00%, saying inflation remained elevated. By Friday, the Secured Overnight Financing Rate (SOFR) was 3.85%, the 10-year Treasury yield was 5.01%, and all ten BDCs in The Drift's completed-session sample had declined.

The rate hike paid lenders on paper. The market sent the bill to their stocks.

This was not a broad credit panic. High-yield and investment-grade credit spreads remained tight. The cleaner explanation is that investors repriced the whole mechanism at once: better coupons on floating-rate assets, heavier interest expense for borrowers, more expensive funding for BDCs, and tougher competition from Treasury securities yielding around 5%.

Higher rates can help a BDC's income statement and weaken the loans underneath it. Both can be true before lunch.

The Fed raised rates to 3.75%-4.00%

The week's market dashboard is not subtle.

Rate and credit pressure

The lender earns more. Everyone pays more.

Completed observations through September 18, 2026

SOFR

3.85%

The benchmark can lift floating-rate loan income and floating-rate liability expense.

2-year Treasury

4.76%

The front end reflects restrictive policy and a high hurdle for short-duration income.

10-year Treasury

5.01%

A safer income alternative competes directly with leveraged BDC equity.

30-year Treasury

5.34%

Long-duration capital remains expensive for borrowers and refinancing plans.

High-yield OAS

2.68%

Public credit spreads remain tight; this is not broad credit panic.

BBB OAS

0.94%

Investment-grade risk appetite remains intact despite higher Treasury yields.

The Fed's decision matters to BDCs because most BDC portfolios contain floating-rate loans. When SOFR rises, the coupon on those loans often resets higher after any applicable floor and contractual lag.

That is the pleasant side of the equation.

The borrower owes the higher coupon. The BDC may also fund itself with floating-rate bank facilities or issue new unsecured debt at today's higher market yields. Meanwhile, a 5.01% 10-year Treasury gives income investors a safer alternative to a leveraged lender.

The relevant question is not whether rates rose. It is whether the extra asset income arrives faster than borrower stress, funding expense and valuation pressure.

All 10 BDC stocks fell Friday

We measured the unadjusted closing prices for ten widely followed BDCs on Friday, September 18, and compared them with Thursday's completed session. Every one declined.

Friday's completed session

Ten BDCs. Ten declines.

10 of 10names declined-2.07%average move-1.75%median moveARCC$19.40-1.27%BXSL$24.84-1.90%CSWC$23.42-2.46%FSK$11.29-3.83%GBDC$12.54-1.49%HTGC$17.33-2.42%MAIN$56.19-1.47%OBDC$11.17-1.59%PSEC$2.18-2.68%TSLX$17.90-1.59%

Unadjusted closing prices, September 18, 2026. One-day changes compare with September 17. Source: Yahoo Finance historical chart data; calculations by The Drift.

The average one-day move was -2.07%. The median was -1.75%. FS KKR Capital (FSK) fell the most at -3.83%, while Ares Capital Corporation (ARCC) fell the least at -1.27%.

One trading day does not establish a durable trend, and the Fed does not explain every price movement. But the uniform direction is useful. Investors did not look at a rate hike and mechanically bid up floating-rate lenders. They marked down the group while the market absorbed a higher policy rate and a 10-year Treasury yield above 5%.

That is the distinction between income sensitivity and equity valuation.

A loan coupon can reset upward while the lender's stock falls. The market price reflects expected income, expected credit losses, funding costs, dividend durability, net asset value, and the return investors can earn elsewhere.

ARCC swapped $750 million of fixed debt to floating

ARCC completed a $750 million offering of 6.250% unsecured notes due 2033 on September 15. The company said it expected to use the proceeds to repay credit-facility borrowings, which it may later reborrow for general corporate purposes and portfolio investments.

Then comes the interesting part.

ARCC entered an interest-rate swap covering the full $750 million. Under the swap, ARCC receives the notes' 6.250% fixed rate and pays three-month SOFR plus 1.85250%.

Economically, that transforms the new fixed-rate notes into a floating-rate liability.

The precise cost cannot be calculated from Friday's 3.85% overnight SOFR observation alone. ARCC's filing specifies three-month SOFR, and the applicable fixing, timing, day-count convention and swap mechanics matter. If the contractual three-month rate rises, however, the swapped liability cost rises too.

Why do it? A BDC with many floating-rate assets may prefer floating-rate funding because the two sides of the balance sheet can move together. The swap reduces the mismatch between assets and liabilities. It does not make funding free, and it trades some fixed-rate protection for closer asset-liability alignment.

That is sophisticated balance-sheet plumbing. It is also exactly why the headline coupon never tells the whole story.

CSWC issued $350 million at 6.750%

Capital Southwest Corporation (CSWC) completed $350 million of 6.750% unsecured notes due 2031, also on September 15. The notes priced at 98.985% of par, and CSWC reported approximately $342.1 million of net proceeds after the underwriting discount and estimated offering expenses.

CSWC said it would use the proceeds to repay part of its senior secured revolving credit facility.

The comparison with ARCC is instructive.

Both BDCs used unsecured notes to replace bank-facility borrowings and reopen capacity. ARCC paired its seven-year notes with a full interest-rate swap to floating. CSWC's filing describes five-year fixed-rate notes and does not disclose a comparable swap in that transaction.

Neither structure is automatically superior. A floating liability can match floating assets. Fixed-rate debt can protect the liability side if short rates rise further. The investor's job is to examine the combined balance sheet, not award a trophy to one coupon.

The larger message is simpler: capital remains available to established BDCs, but it carries a real price.

Credit spreads did not signal a crisis

The ICE BofA U.S. High Yield Option-Adjusted Spread was 2.68% on Friday. The comparable BBB corporate spread was 0.94%.

Those readings do not describe a market demanding crisis compensation for corporate credit. The St. Louis Fed Financial Stress Index and Chicago Fed National Financial Conditions Index were also below zero at their latest weekly readings, indicating less stress or looser conditions than their historical baselines.

So the warning is specific.

The market is not shouting that the credit system has broken. It is reminding investors that a higher risk-free rate changes the price of everything built on top of it.

For BDCs, the pressure can appear in three places:

Borrower cash interest. A higher floating coupon consumes more of a company's cash flow.
BDC funding cost. Revolvers, unsecured notes and swaps determine how much of the asset yield reaches shareholders.
Equity valuation. Treasury yields change what investors require from a leveraged income stock.

The credit cycle usually becomes visible through dispersion before it becomes visible through panic. Strong borrowers refinance. Weak borrowers amend. Some lenders preserve net asset value. Others collect more Payment-in-Kind interest and fewer cash dollars.

The next test is dividend coverage

Higher SOFR can support Net Investment Income (NII), but a rate hike is not a dividend announcement.

Dividend durability depends on recurring cash income after funding expense, fees and credit losses. It also depends on whether borrowers pay interest in cash rather than adding it to principal as Payment-in-Kind (PIK) income.

This week's filings were funding events, not fresh earnings reports. They do not establish new dividend coverage for ARCC or CSWC. The proper next check is the next quarterly filing: asset yields, liability costs, non-accruals, PIK income, Net Asset Value (NAV), and actual NII per share against the declared dividend.

That is where the rate hike stops being a macro story and becomes an underwriting result.

Higher rates help income and raise credit risk

Higher rates are not simply good for BDCs.

They are good for a particular line on the asset side of a BDC balance sheet, provided the borrower can pay, the liability side behaves, and investors still accept the valuation.

This week's contradiction is therefore healthy. It forces income investors to leave the slogan and inspect the machine.

ARCC showed how an issuer can raise fixed-rate debt and deliberately convert it into floating-rate exposure. CSWC showed that the unsecured market remains open, but at a 6.750% coupon. Friday's price action showed that investors were unwilling to treat a higher policy rate as a free earnings upgrade.

The opportunity has not disappeared. BDCs still give individual investors a public window into privately negotiated lending. Higher coupons can produce substantial income, and disciplined lenders can use periods of expensive capital to demand better economics.

But expensive money is useful only when the borrower can carry it.

Drift Rating: better lender income, tougher borrower math, and no permission to stop underwriting.

What to watch next

Whether SOFR remains near the new policy range and how quickly BDC asset yields reset.
Whether ARCC's swapped liability cost continues to match its floating-rate assets efficiently as the contractual three-month SOFR rate changes.
Whether CSWC and other BDCs keep replacing secured revolver borrowings with unsecured debt despite coupons above 6%.
Whether quarterly cash-interest coverage weakens as borrowers absorb another rate increase.
Whether PIK income and non-accruals rise before public credit spreads signal broader stress.
Whether BDC discounts widen if Treasury yields remain near 5%.

Investor quick answers

Are higher interest rates good for BDCs?

They can increase income on floating-rate loans, but they also raise borrower interest expense, BDC funding costs and the yield investors demand from BDC stocks. The net result depends on asset-liability structure and credit performance.

Why did BDC stocks fall after the Fed raised rates?

All ten BDCs in The Drift's September 18 sample fell, with an average one-day move of -2.07%. One day cannot prove causation, but the group move is consistent with investors pricing both sides of higher rates: more asset income and more pressure on borrowers, funding costs and equity valuations.

What did ARCC pay on its new debt?

ARCC issued $750 million of 6.250% unsecured notes due 2033. It then swapped the full amount to a floating cost of three-month SOFR plus 1.85250%, aligning the liability more closely with a floating-rate asset portfolio.

What did CSWC pay on its new debt?

CSWC issued $350 million of 6.750% unsecured notes due 2031. The notes priced at 98.985% of par, and the company reported approximately $342.1 million of net proceeds.

Do tight credit spreads mean BDC risk is low?

No. Tight public credit spreads indicate that markets are not pricing broad corporate-credit panic. Individual BDC borrowers can still weaken, and credit problems may first appear in amendments, PIK income, non-accruals and NAV changes.

What should BDC investors check next?

Compare portfolio yield with total funding cost, cash NII with the dividend, PIK income with total income, non-accruals with portfolio fair value, and NAV per share across quarters. Those figures show whether higher rates are producing durable income or merely delaying credit stress.

Acronyms and terms

ARCC: Ares Capital Corporation.
BDC: Business Development Company, a regulated investment company designed to provide capital to eligible businesses.
CSWC: Capital Southwest Corporation.
FOMC: Federal Open Market Committee, the Federal Reserve body that sets the target range for the federal funds rate.
FSK: FS KKR Capital Corporation.
NAV: Net Asset Value, the value of a BDC's assets minus liabilities, usually presented per share.
NII: Net Investment Income, investment income minus operating and financing expenses.
OAS: Option-Adjusted Spread, the additional yield over a benchmark after accounting for embedded options.
PIK: Payment-in-Kind interest, interest added to principal rather than paid in cash.
SOFR: Secured Overnight Financing Rate, a benchmark based on overnight Treasury-repurchase transactions.

Source notes

Federal Reserve Board, FOMC statement, September 16, 2026. The committee raised the target range by 0.25 percentage point to 3.75%-4.00%.
Federal Reserve Bank of New York via FRED, Secured Overnight Financing Rate, 3.85% on September 18, 2026.
U.S. Treasury via FRED, 2-Year Treasury, 10-Year Treasury and 30-Year Treasury, September 18, 2026.
ICE Data Indices via FRED, U.S. High Yield Option-Adjusted Spread and BBB U.S. Corporate Option-Adjusted Spread, September 18, 2026.
U.S. Securities and Exchange Commission, ARCC Form 8-K, filed September 15, 2026.
U.S. Securities and Exchange Commission, CSWC Form 8-K, filed September 15, 2026.
Yahoo Finance historical chart data for ARCC, BXSL, CSWC, FSK, GBDC, HTGC, MAIN, OBDC, PSEC and TSLX. Prices are unadjusted closes from the completed September 17 and September 18, 2026 sessions; percentage changes were calculated by The Drift and rounded to two decimal places.
The Drift production editorial-intelligence database, BDC Weekly recap packet 123 for the week ended September 21, 2026. The SEC, news, macro, FRED, private-credit and recap collectors all completed successfully before drafting.

Disclosure

The Drift is published by Drift Research LLC for informational and educational purposes only. Nothing published by The Drift constitutes personalized investment advice, financial advice, tax advice, accounting advice, legal advice, or a recommendation to buy, sell, or hold any security. The Drift is not a registered investment adviser, broker-dealer, financial planner, or fiduciary. Data and calculations are derived from sources believed reliable and from methods described in the applicable source and calculation notes, but they may contain errors, estimates, rounding differences, or information that has become outdated. Readers should review the original sources and make their own assessment. All investments involve risk, including possible loss of principal. Past performance and hypothetical results do not guarantee future results. Consult qualified professionals before acting.

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