Recent surveys present contradictory results on companies' investments in treasury and finance technology upgrades.

Adapting "perpetual futures" to dollar markets would increase options for accessing liquidity in the event of a major dollar shortfall.

"If there's a direct-hit Category 5 storm that hits Miami, you're going to see 20 insurance companies go bankrupt. ... It's become a big problem."

Quantitative tightening may draw reticent short-term investors back into Treasuries, although some analysts believe that, "from a cash-market perspective, nothing will change when the first bill runoff takes place on Thursday."