Jane Street reported $39.6 billion in trading revenue for 2025, exceeding JPMorgan’s $35.8 billion total. The result came despite a far smaller workforce, highlighting a sharp productivity gap as the firm faces rising regulatory and legal scrutiny.
As per sources, the firm operated with around 3,500 employees during the period. JPMorgan employed about 316,000 staff across its divisions. This difference underscores one of the widest efficiency gaps in modern finance. Each Jane Street employee generated roughly $11 million in revenue.
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Jane Street Trading Model and Scrutiny
Jane Street is a proprietary trading firm. It does not trade on behalf of its clients but with its own capital. The company is also a large market maker in international exchanges. It usually assumes the reverse of the retail trades in ETFs and options markets.
A big portion of its portfolio is derivatives. Its exposure of approximately 87 percent of the $662 billion is on options. This arrangement will enable the company to take advantage of price movements. It also funds order flow in order to obtain early trading signals.
As it has grown, regulatory scrutiny has increased as well. In India, Jane Street was accused by the Securities and Exchange Board of India of manipulating bank stocks as well as index options.
It is claimed that the activity took place during several expiry cycles. The authorities ordered impounding approximately 567 million.
US Lawsuit Targets Jane Street Over Terra-Luna
In the United States, legal pressure has also come up. A bankruptcy administrator of Terraform Labs made a federal complaint related to the Terra-Luna collapse.
The filing is 83 pages long and makes insider trading claims. It asserts that the company acted with non-public information to escape huge losses.
The case shows activity on May 7, 2022. Terraform Labs withdrew $150 million of TerraUSD liquidity off of the Curve 3pool silently. A wallet connected to Jane Street withdrew $85 million less than ten minutes later. This was the biggest single withdrawal in that pool.
In another move, the company created a $1.3 billion stake in the iShares Silver Trust. The stake was raised more than 500 times in a quarter. It was revealed when silver prices had reduced. Its wider range of options was not disclosed.
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