That is more likely than a Biden pardon: Trump in his first term was big on pardoning both financial criminals and people involved in political corruption on both sides of the aisle, and SBF is both a financial criminal and someone involved in political corruption (on both sides of the aisle, even), so he is something of an ideal Trump pardon candidate.
Since SBF publicly despised Trump, donated vast sum to his opponents, and tried to architect Trump not being president I'd say that's less likely.
https://www.businessinsider.com/sbf-wanted-tom-brady-to-run-...
>Bankman-Fried’s largest donations were $27 million to his own super PAC, which supported Democratic candidates, and $6 million to a PAC that helps elect Democrats to the U.S. House. Bankman-Fried also gave the maximum $5,800 each to support dozens of candidates, mostly Democrats.
>President Joe Biden’s 2020 run for president was one of the major beneficiaries of Bankman-Fried’s donations. Bankman-Fried gave $5 million to a PAC that supported President Joe Biden’s 2020 campaign, $50,000 to Biden Victory Fund, and $2,800 directly to Biden for President.
1. https://www.usatoday.com/story/news/politics/2022/12/16/ftx-...
it's like saying Trump could pardon him on the way in -- and might