Jane Street is one of Wall Street’s most profitable and secretive firms. And when Indian regulators accused it of market manipulation earlier this month, it rocked the finance world. 

On today’s Big Take podcast, Bloomberg finance reporter Katherine Doherty joins host Sarah Holder to go inside Jane Street’s unique trading strategy, and what new regulatory scrutiny could mean for the high frequency trading industry.

Read more: Jane Street’s Trading Secrets Spill Into Open and Face Rivals’ Scrutiny

Jane Street is one of Wall Street&rsquo;s most profitable and secretive firms. And when Indian regulators accused it of market manipulation earlier this month, it rocked the finance world.&nbsp;
On today&rsquo;s Big Take podcast, Bloomberg finance reporter Katherine Doherty joins host Sarah Holder to go inside Jane Street&rsquo;s unique trading strategy, and what new regulatory scrutiny could mean for the high frequency trading industry.
Read more: <a href="https://www.bloomberg.com/news/features/2025-07-17/jane-street-trading-secrets-exposed-as-risk-taking-fuels-record-profit?srnd=undefined">Jane Street&rsquo;s Trading Secrets Spill Into Open and Face Rivals&rsquo;&nbsp;Scrutiny</a>

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The Big Take from Bloomberg News brings you inside what’s shaping the world's economies with the smartest and most informed business reporters around the world. The context you need on the stories that can move markets. Every afternoon.

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We’re taking The Big Take to Asia. Each week, Bloomberg’s Oanh Ha tells a story from the home of the world's most dynamic economies - and the markets, tycoons and businesses that drive the ever-shifting region.

Big Take Asia

What Is Jane Street? And Why Are Regulators Watching It?

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/7d2768b8-bf7a-41b4-b36d-b31d0142769d/transcript

The US and Israel’s attacks on Iran have entered their third day — and President Donald Trump said Monday that the US military operation could continue for weeks, or more.

On today’s Big Take podcast, reporter Golnar Motevalli talks to host Sarah Holder about the widening regional conflict, Iran’s succession plans and what we know about the end game for the US as President Trump vows to do “whatever it takes.” 

Follow Bloomberg’s live coverage here.

Hosted by Sarah Holder; Produced by Julia Press and Eleanor Harrison-Dengate; Reported by Golnar Motevalli; Edited by Jeffrey Grocott.

Fact-checking by David Fox and Rachael Lewis-Krisky; Engineering by Katie McMurran.

Senior Producer: Naomi Shavin; Deputy Executive Producer: Julia Weaver. Executive Producer: Nicole Beemsterboer.

The US and Israel&rsquo;s attacks on Iran have entered their third day &mdash; and President Donald Trump said Monday that the US military operation could continue for weeks, or more.
On today&rsquo;s Big Take podcast, reporter Golnar Motevalli talks to host Sarah Holder about the widening regional conflict, Iran&rsquo;s succession plans and what we know about the end game for the US as President Trump vows to do &ldquo;whatever it takes.&rdquo;&nbsp;
Follow Bloomberg&rsquo;s live coverage&nbsp;<a href="https://www.bloomberg.com/news/live-blog/2026-03-01/iran-latest?srnd=homepage-americas">here</a>.
Hosted by Sarah Holder; Produced by Julia Press and Eleanor Harrison-Dengate; Reported by Golnar Motevalli; Edited by Jeffrey Grocott.
Fact-checking by David Fox and Rachael Lewis-Krisky; Engineering by Katie McMurran.
Senior Producer: Naomi Shavin; Deputy Executive Producer: Julia Weaver. Executive Producer: Nicole Beemsterboer.

After Months of Succession Planning, Who’s Leading Iran?

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/fc7e7c6a-3747-41e4-8f1e-b4010174aa55/transcript

Targets in Iran, Israel and in the Middle East are under attack in an unprecedented escalation in the conflict between the US and Iran. The combat operations come after weeks of negotiations between the US and Iran over what remains of its nuclear program.

On today’s Big Take, Bloomberg’s Jeff Mason and Joumanna Bercetche join host David Gura to discuss the timing and goals of this weekend’s strikes — and the risk of a widening, regional conflict.

This is a developing story. We are live blogging at Bloomberg.com with the latest from across the globe.

Read more: 
Diplomacy Shifts to War: How Trump’s Team Decided to Attack Iran
Oil Market’s ‘Worst Fears’ Are Here as Gulf Conflict Hits Hormuz 

Hosted by David Gura; Produced by David Fox and Rachael Lewis-Krisky; Reported by Jeff Mason and Joumanna Bercetche; Edited by Naomi Shavin.

Fact-checking by Rachael Lewis-Krisky.

Senior Producer: Naomi Shavin; Deputy Executive Producer: Julia Weaver. Executive Producer: Nicole Beemsterboer.

Targets in Iran, Israel and in the Middle East are under attack in an unprecedented escalation in the conflict between the US and Iran. The combat operations come after weeks of negotiations between the US and Iran over what remains of its nuclear program.
On today&rsquo;s Big Take, Bloomberg&rsquo;s Jeff Mason and Joumanna Bercetche join host David Gura to discuss the timing and goals of this weekend&rsquo;s strikes &mdash; and the risk of a widening, regional conflict.
This is a developing story. We are <a href="https://www.bloomberg.com/news/live-blog/2026-02-28/iran-strikes?">live blogging</a> at <a href="http://bloomberg.com">Bloomberg.com</a>&nbsp;with the latest from across the globe.
Read more:&nbsp;
<ul>
<li><a href="https://www.bloomberg.com/news/articles/2026-03-01/iran-strikes-how-us-decided-to-launch-operation-epic-fury">Diplomacy Shifts to War: How Trump&rsquo;s Team Decided to Attack Iran</a></li>
<li><a href="https://www.bloomberg.com/news/articles/2026-03-01/oil-s-worst-nightmare-is-here-as-gulf-conflict-hits-hormuz">Oil Market&rsquo;s &lsquo;Worst Fears&rsquo; Are Here as Gulf Conflict Hits Hormuz</a>&nbsp;</li>
</ul>
Hosted by David Gura; Produced by David Fox and Rachael Lewis-Krisky; Reported by Jeff Mason and Joumanna Bercetche; Edited by Naomi Shavin.
Fact-checking by Rachael Lewis-Krisky.
Senior Producer: Naomi Shavin; Deputy Executive Producer: Julia Weaver. Executive Producer: Nicole Beemsterboer.

The Escalating Conflict With Iran 

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/4919495e-7bf0-4d7c-8e89-b400014b8be7/transcript

After steering one of Wall Street’s iconic investment banks through the financial crisis, former Goldman Sachs CEO Lloyd Blankfein is investing his own money and, with the publication of a new memoir, reflecting on his time at the firm.

On today’s Big Take podcast, Blankfein tells host David Gura how he uses AI, what he sees as a worrying expansion of opaque investment products and what happens when public companies respond to political pressures. And David asks him about the resignation of Goldman’s top lawyer following the release of the latest Epstein files.

Hosted by David Gura; Produced by Julia Press; Edited by Jeffrey Grocott.

Fact-checking by Eleanor Harrison-Dengate; Engineering by Alex Sugiura.

Senior Producer: Naomi Shavin; Deputy Executive Producer: Julia Weaver. Executive Producer: Nicole Beemsterboer.

After steering one of Wall Street&rsquo;s iconic investment banks through the financial crisis, former Goldman Sachs CEO Lloyd Blankfein is investing his own money and, with the publication of a new memoir, reflecting on his time at the firm.
On today&rsquo;s Big Take podcast, Blankfein tells host David Gura how he uses AI, what he sees as a worrying expansion of opaque investment products and what happens when public companies respond to political pressures. And David asks him about the resignation of Goldman&rsquo;s top lawyer following the release of the latest Epstein files.
Hosted by David Gura; Produced by Julia Press; Edited by Jeffrey Grocott.
Fact-checking by Eleanor Harrison-Dengate; Engineering by Alex Sugiura.
Senior Producer: Naomi Shavin; Deputy Executive Producer: Julia Weaver. Executive Producer: Nicole Beemsterboer.

Former Goldman Sachs CEO Lloyd Blankfein Says the Market Is Due For a Reckoning

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/ca648ee7-51cc-421d-ba54-b3fe0159fbda/transcript

What Is Jane Street? And Why Are Regulators Watching It?

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