The Debt Management Office has raised almost half of its bond sales target for this financial year in just four months on continued strong demand for gilts.
The Bank of England has made a £5.5bn full-year loss on the assets bought under its quantitative easing (QE) programme to prop up the battered UK economy.
Pimco, the world's biggest bond manager, has turned bullish on UK government debt, just six months after it warned gilts were resting "on a bed of nitroglycerin".
The UK gilt market rallied in the run-up to the Budget and while Osborne was giving his speech, but this initial growth spurt now seems to have moderated.
PIMCO's Mike Amey is orientating his fund towards shorter-dated bonds and cash in the view they provide better reward for the risks associated with the UK economy.
Sterling has strengthened against the US dollar and euro on the back of today's emergency Budget, while gilts have also bounced.
Here are all the key facts from today's Budget you need to know...