The Key Finding

Deutsche Bank Research published a report on 9 June 2026 that looked at when companies go public or issue new shares. The researchers found something counterintuitive: companies tend to do this when stock markets are performing strongly, not when markets are in trouble.

Many people assume the opposite. The common thinking is that companies get nervous when trouble is brewing and rush to raise money from the public while they still can — offloading shares before things get worse. Deutsche Bank's data suggests that's backwards.

Instead, companies cluster their stock offerings during periods when stock valuations are high, there's plenty of willing buyers, and investor confidence is broad-based. In plain terms: the window for selling shares opens widest when the market is running hot.

Why This Matters to Everyday Investors

If you own stocks, this affects how you should think about deal announcements you hear about.

A burst of new stock offerings arriving in your portfolio is often seen as a warning sign. The thinking goes: look at all these companies trying to raise cash — something must be wrong. But Deutsche Bank's research flips that on its head. When you see a wave of new offerings, it may instead signal that investor demand is strong and companies are rationally choosing to sell while buyers are willing to pay fair prices.

Think of it like selling your house. You don't list during a housing crash; you list when the market is hot and prices are high.

For people who work in investment banking, this reshapes the conversation they have with companies about timing. Instead of saying "raise money now before the market turns," the argument becomes "your cost of raising capital is low and demand is real — this is when you're fairly priced."

The Data Pattern

Deutsche Bank examined stock market cycles going back more than a decade. When they looked at when companies launched IPOs (initial public offerings — the first time a company sells stock to the public) and secondary offerings (when existing public companies sell more shares), they found these waves clustered during bull markets — periods when stocks were rising.

The researchers point to specific historical examples: the tech boom of 1999–2000, where IPO activity surged alongside rising stock prices, only to collapse after the Nasdaq peaked in March 2000. The same pattern showed up in 2020–2021, when a wave of new listings and special-purpose acquisition vehicles (SPACs) hit the market in line with record stock index gains. Volume didn't pick up before the drawdown in 2022 — it contracted after.

Who's Making This Argument

Deutsche Bank Research is part of Deutsche Bank, which is one of the world's largest investment banks. This matters because Deutsche Bank earns money when companies go public or raise capital. Over a 10-year period, Deutsche Bank led roughly 29 out of 99 IPOs on Germany's main stock exchange — about 29% of the market.

When an institution with financial skin in the game publishes research, it's fair to ask whether the conclusions happen to benefit that institution. This doesn't automatically mean the findings are wrong. But anyone reading this research should check the details: which stock markets did they study, how did they define an "issuance wave," and did they compare stock returns to the timing of offerings accurately.

The standard of scrutiny should be the same as for any solid piece of research — not automatically skeptical, but not automatically trusting either.

Why Companies Behave This Way

When stock markets are rising, three things usually happen at the same time.

First, the cost of raising money through stock sales falls. Investors are more optimistic and accept lower returns, so companies don't have to offer as much to attract buyers.

Second, big institutional investors (pension funds, mutual funds, insurance companies) are sitting on profits from rising stocks. They're psychologically more willing to write checks for new deals.

Third, financial analysts covering stocks tend to be optimistic during bull runs. They support the new offerings publicly, which makes it easier for shares to find buyers after the IPO.

The macroeconomic backdrop matters too. Interest rates, inflation, and central bank actions all shape whether investors feel ready to buy new stock offerings. In a world where interest rates are elevated compared to the decade after the 2008 financial crisis, the appetite for new stock offerings may be thinner or shorter-lived than in the past.

What This Research Doesn't Answer

The Deutsche Bank finding tells us when issuance waves occur — alongside strong markets — but leaves some important questions unresolved.

First: does a rising market cause companies to sell more stock, or do surges in new offerings fuel market gains? It's probably both, but the research doesn't disentangle which drives which.

Second: not all deals during an issuance wave are equally good for public investors. Hot IPO markets are famous for containing both fairly priced offerings and deals that enrich founders at the expense of people buying shares on day one. The research doesn't distinguish between them.

Third: whether shares issued during hot markets go on to perform well or poorly after listing is a separate question. This research is about when companies go public, not about how those stocks trade afterward.

None of these gaps undermine the core finding — that companies are not flooding the market before crises, but rather during strength. But they're questions worth holding in mind if you're evaluating a new stock offering or listening to financial commentary about market timing.

The full report is available via the Deutsche Bank Research Institute.