SoFi Technologies' odds to join S&P 500 tank to 2% after exclusion
SoFi Technologies' odds for S&P 500 inclusion crumbled by 25 points to 2% after a failed rebalance, raising questions about future performance.

The Lede
SoFi Technologies’ prospects for inclusion in the S&P 500 have cratered, plummeting to a mere 2% from 27% just three days ago. This sharp decline follows the company’s exclusion from the recent S&P 500 rebalance, announced on March 7, 2026. As a direct consequence of this decision, SoFi's stock dropped approximately 2% in after-hours trading. The rebalance, which determines which companies are included in the index, is vital for firms like SoFi due to the substantial passive investment flows that typically accompany such transitions. By missing this opportunity, the company not only suffers immediate financial repercussions but also risks long-term investor confidence.
The Reaction
Market observers on prediction platforms Kalshi and Polymarket indicated a steep decline in the chances for SoFi’s inclusion, with the company’s odds collapsing to 2%. On Kalshi, the odds sit at 3%, while Polymarket reflects a lower chance at 2%. This dramatic downturn in sentiment may discourage further investment at a time when competition in the fintech sector becomes increasingly fierce.
The Trend
Over the past three days, SoFi’s probability of being added to the S&P 500 has significantly declined, dropping 25 percentage points, a move that underscores the changing market dynamics in the fintech space. With reliable consensus across prediction platforms confirming this trend, the stark drop in odds is telling. As comparison, rival Vertiv now holds a commanding 67% chance, evidencing a shift in confidence among investors that may favor companies better aligned with current technological trends. Meanwhile, Lumentum is also mentioned as a competitor, but with diminishing momentum in its predictions.
The Verdict
The implications of SoFi's exclusion from the S&P 500 could reverberate beyond mere percentage drops in prediction markets. For investors, the focus should shift to the upcoming resolution date of March 31, 2026, when the market question is expected to settle. If SoFi manages to recover and establish a stronger presence or if it announces a compelling product or partnership, we could see odds shift back upwards. Conversely, continued weakness or a failure to effectively communicate value to shareholders could further erode the confidence reflected in these prediction platforms. Overall, the market will be meticulously watching SoFi’s next moves and any updates on industry dynamics in its competitive landscape.