Ghana T-bills oversubscribed again but rates climb, what it means

The government keeps hitting its T-bill targets. The Bank of Ghana's latest auction saw a 34.8% oversubscription, with the Treasury accepting GH¢5.4 billion from GH¢5.7 billion in bids. The 91-day bill was the most popular.

That sounds like a vote of confidence. It is not.

Rates tell the real story

Oversubscription would normally push rates down. In March 2026, an auction was oversubscribed and rates fell to 4.8%, according to Citi Newsroom. This auction is different. Rates are rising again. The headline doesn't say how much, but the trend is clear: investors demand higher compensation.

Why? Inflation expectations are creeping up. The cedi depreciation adds pressure. If the government needs more cash and offers higher yields, it signals that the fiscal hole is deep.

Who benefits? Who loses?

Banks and fund managers who locked in earlier maturities at lower rates are sitting on unrealized losses. New buyers get higher yields, but they are taking on duration risk. If rates keep climbing, today's paper loses value.

The government wins in the short term, it gets the cash. But rising T-bill yields crowd out private sector credit. Businesses pay more for loans. That slows growth.

A separate auction, reported by Business Ghana, showed marginal oversubscription with rates also rising. The pattern is consistent.

The second-order effect

The Bank of Ghana faces a dilemma. It can let rates rise to attract investors, which hurts the real economy. Or it can tighten monetary policy further, higher policy rate, which would also slow things down. No good option.

For investors, the message is simple: short-dated T-bills are still safe, but don't assume rates have peaked. The government's borrowing needs are not shrinking. Watch the next auction for a 91-day yield breach of 5%.

Expect more volatility. The GHS will feel it first.