Tesco's current chief executive, Dave Lewis, said: "Over the last two-and-a-half years, we have fully co-operated with this investigation into historic accounting practices, while at the same time fundamentally transforming our business.
In that case, the judge agreed that a criminal conviction for the company could disbar it from securing contracts - particularly in the US - which in turn could threaten the jobs of thousands of UK workers.
The SFO also quizzed the former chief executive Phil Clarke, before dropping any further action against him.
He and the supermarket will now be hoping to draw a line under the matter, and concentrate on nurturing Tesco's nascent recovery.
They suffered a loss if they were still holding those investments, when their values fell, after a correction from the company was issued a few weeks later on 22 September.