Jane Street has already generated more than $40 billion in net trading revenue this year, surpassing its record haul for all of 2025 even after a $15 billion hit in July that produced its first monthly loss since 2016.
The Wall Street market maker has still booked over $40 billion in net trading revenue through July, according to people familiar with the firm's results. That figure includes the July loss and is already above the $39.6 billion Jane Street generated for the whole of 2025, its previous annual record.
