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  • John C. Coffee, Jr.: Event Contracts and Prediction Markets Comment bubble 3 By John C. Coffee, Jr.
  • Leveraging Information Forcing in Good Faith By Hillary Sale
  • The Dark Side of Safe Harbors Comment bubble 2 By Susan C. Morse
  • John C. Coffee, Jr. – Mass Torts and Corporate Strategies: What Will the Courts Allow? By John C. Coffee, Jr.
  • Compliance’s Next Challenge: Polarization By Miriam H. Baer
  • Will the Common Good Guys Come to the Shootout in SEC v. Jarkesy? And Why It Matters By Eric W. Orts
  • Climate Disclosure Line-Drawing and Securities Regulation By Virginia Harper Ho
  • Board Committee Charters and ESG Accountability By Lisa M. Fairfax
Editor-At-Large Reynolds Holding

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Columbia Law School's Blog on Corporations and the Capital Markets

Editorial Board John C. Coffee, Jr. Edward F. Greene Kathryn Judge

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Ilya Beylin

The Simplification of Banking Organizations’ Balance Sheets After the Financial Crisis

By Ilya Beylin April 13, 2026 by Ilya Beylin

Difficulties in valuing the assets and liabilities of the largest banking organizations aggravated the 2007-08 financial crisis.  Regulation under the Dodd-Frank Act  sought to increase transparency and reduce complexity among these institutions.  With the benefit of significant hindsight, it is …

Comment  

Federal Judge Trips Over Tricky Statutory Language, Eviscerating CFTC Jurisdiction

By Ilya Beylin September 3, 2025 by Ilya Beylin

Derivatives lawyers are not known to be an excitable bunch.  But a recent opinion from the U.S. District Court in the Northern District of Texas has derivatives lawyers excited, and not in a good way.  The judge has vastly restricted …

Fiscal and Foreign Relations Dimensions of Financial Stability Regulation

By Ilya Beylin August 26, 2025 by Ilya Beylin

There is a venerable history of interdependence between sovereign debt and the financial system.  The national banking system in the U.S. arose as a solution to fiscal challenges the Union government faced in the Civil War.  A key requirement for …

1 Comment  

CFTC Jurisdiction Should Not Extend to Event Contracts

By Ilya Beylin September 23, 2024 by Ilya Beylin

Two weeks ago, there was big news for “event contracts,” which provide for fixed payouts upon the occurrence of specified events and are sometimes referred to as “prediction” products.  Kalshi – an exchange that has popularized event contracts on everything …

A Novel Explanation for Concentration Among Derivatives Intermediaries, and Its Implications

By Ilya Beylin May 17, 2024 by Ilya Beylin

In derivatives markets, as in other financial markets, customers rely on intermediaries for access to products.  When transacting, a customer faces a choice of whether to return to a prior provider or seek a new one.  My post yesterday documented …

Examining High Concentration Among Derivatives Intermediaries

By Ilya Beylin May 16, 2024 by Ilya Beylin

Derivatives are financial instruments used to shift risks, such as fluctuations in interest rates or foreign exchange rates or changes in the value of assets such as stocks, bonds, metals, or agricultural or energy products.  At first glance, entering into …

Ripping the Ripple Opinion

By Ilya Beylin July 18, 2023 by Ilya Beylin

Last Thursday’s split summary-judgment decision in the case that the Securities and Exchange Commission (SEC) brought against Ripple Labs, Inc. (Ripple) and certain of its senior leaders is bonkers.  In partly holding for the defendants, the opinion ignores well established …

1 Comment  

ESG-Linked Swaps and the New Governance School of Regulatory Scholarship

By Ilya Beylin June 20, 2023 by Ilya Beylin

To some extent, this is another collection of words about an acronym that collects words, in the largely passive and meaningless manner of a lint roller.  Elizabeth Pollman recently developed a deft history of the acronym ESG, which stands for …

The Real but Exaggerated Threat of Financial Institution Mobility to Financial Regulation

By Ilya Beylin October 11, 2018 by Ilya Beylin

Where jurisdictions differ in how they regulate an activity, migration allows private parties to choose between regulatory regimes.  In the context of financial regulation, scholars assert that harmonization of regulation across jurisdictions is necessary to prevent institutions from opting into …

Long Live the Editor

By Ilya Beylin June 8, 2016 by Ilya Beylin

After the July 4th weekend, Reynolds Holding will be taking over as the fourth editor-at-large of the CLS Blue Sky Blog.  It has been a remarkable year and a half, and I am confident our Blog will continue to grow …

1 Comment  

Twenty Most Cited Corporate Law & Securities Regulation Faculty in the United States, 2010-2014 (inclusive)

By Ilya Beylin May 23, 2016 by Ilya Beylin
Rank Name School Citations Age in 2016
1 John Coffee, Jr. Columbia University 1470 72
2 Lucian Bebchuk Harvard University 1130 61
3 Stephen Bainbridge University of California, Los Angeles 1010 58
4 Reinier Kraakman Harvard University   820 67
5
…

Notice of Opportunity: Have You Ever Thought of Entering Academia?

By Ilya Beylin March 27, 2016 by Ilya Beylin

Columbia Law School is looking for an Editor-at-Large to oversee and administer the Columbia Law School Blue Sky Blog.  The Blog, now completing its third year, has grown rapidly and become one of the most read sources of current information …

Select Columbia Business Law Review Posts

By Ilya Beylin March 18, 2016 by Ilya Beylin

Today, in addition to our usual offering, we present three student posts from the Columbia Business Law Review:

  • David Markewitz on The SEC’s Appointment Problem and Its Likely Solution;
  • Penina Moisa on The Perils, Protections and Proliferation of
…

Millstein Governance Forum on December 10, 2015 at CLS

By Ilya Beylin December 1, 2015 by Ilya Beylin

On December 10th, Columbia Law School’s Millstein Center on Global Markets and Corporate Ownership will be hosting its 10th annual Millstein Governance Forum.

For the past decade, the Forum has served as one of the premiere …

A Debate on the Morality of Insider Trading

By Ilya Beylin October 25, 2015 by Ilya Beylin

Today, we host two pieces debating the potential for firm disclosed insider trading to occur without harm to the company, its investors and other market participants.  John P. Anderson, Associate Professor, Mississippi College School of Law, proposes that under some …

Nominate Our Blog for the ABA 100

By Ilya Beylin August 4, 2015 by Ilya Beylin

To the friends of the CLS Blue Sky Blog: The ABA journal is conducting a poll to identify the top 100 legal blogs.  We would be honored by your nomination.  In addition to reprinting commentary from practitioners and regulators on …

More on Navinder Singh Sarao, the Alleged Market Manipulator with Responsibility for the Flash Crash

By Ilya Beylin April 22, 2015 by Ilya Beylin

For those interested in the allegations against Navinder Singh Sarao and Nav Sarao Futures Limited PLC, which implicate them in extensive market manipulation and the “Flash Crash” of 2010, here are the complaints from the DOJ and CFTC as well …

Recap of Lynn Tilton’s Scuffle with the SEC

By Ilya Beylin April 1, 2015 by Ilya Beylin

Earlier this week, the SEC filed an administrative action against Lynn Tilton and her Patriarch Partners funds.  See In re Lynn Tilton et al.  CNBC has reported that the SEC is  “accusing Patriarch of hiding the poor performance of …

A Shift in Proposed Margin Regulation May Unleash Restraints on Banks’ Activities

By Ilya Beylin February 25, 2015 by Ilya Beylin

A nuance in margin rules proposed by the CFTC and other federal financial regulators threatens to undermine a carefully struck balance in Dodd-Frank.  As background, Title VII of Dodd-Frank subjected U.S. derivatives markets to a host of new regulations.   Broadly …

Today we talk about Fannie and Freddie…

By Ilya Beylin February 18, 2015 by Ilya Beylin

Today we feature three posts on the theme of Fannie Mae and Freddie Mac. The first two posts — from David Min and Brad Miller, respectively — question assumptions about the proper role of government and markets in home …

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Each business day, our team sifts through blog posts, news stories, and other sources to keep up-to-date on relevant recent developments. The following links will take you to our recommended selections. To see the sources we follow click Filter Sources.

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The Governance Beat
Beware Using AI to Draft Proxy
April 30, 2026
D&O Diary
Defendant Wins Securities Suit Trial
April 30, 2026
Bloomberg
Fidelity Mandates Five Days in Office
April 30, 2026
CoinDesk
Small Polymarket Group Winning Big
April 30, 2026
Deal Lawyers.com
Delaware Supreme Court Rejects Challenge to Advance Notice Bylaws
April 30, 2026
Reuters
Starbucks Customers Coming Back
April 29, 2026
Cleary Enforcement Watch
SEC, CFTC Offer Amendments to Reduce Form PF Reporting Burdens
April 29, 2026
D&O Diary
Blue Owl Shows D&O Private Credit Risk
April 29, 2026
Bloomberg
CEO Explains How He Faked Results in $300 Million Meltdown
April 29, 2026
ABC News
Bankman-Fried Denied New Trial
April 29, 2026
Wall Street Journal
UAE Exit Deals OPEC Major Blow
April 28, 2026
Cleary M&A Watch
SEC Cuts Minimum Tender Offer Time
April 28, 2026
Dealbook
Is OpenAI Lagging Further in AI?
April 28, 2026
The Governance Beat
Federal Court Enjoins Company from Excluding Shareholder Proposal
April 28, 2026
Law.com
SEC Chair: Crypto Needs Congress
April 28, 2026
Bloomberg
China Blocks Already Done Meta Deal
April 27, 2026
Dealbook
High-Stakes AI Clash Goes to Court
April 27, 2026
The Governance Beat
Labor Department Indicates Proxy Advisers Have ERISA Fiduciary Duties
April 27, 2026
Debevoise Insights
Do Boards Need AI Experts?
April 27, 2026
Yahoo Finance
Insider Trading Cases Threaten a Reckoning for Prediction Markets
April 27, 2026
Bloomberg
Italy Extradites Chinese Hacker to U.S.
April 26, 2026
New York Times
AI Start-Ups From Canada and Germany Merge to Take On Silicon Valley
April 26, 2026
Delaware Corporate & Commercial Litigation Blog
Delaware Chancery Upholds Tesla’s Texas Bylaw Forum Provisions
April 26, 2026
Deal Lawyers.com
Nasdaq Ups SPAC Listing Requirements
April 26, 2026
Business Law Prof Blog
When Is a Delaware Claim Derivative?
April 26, 2026
Reuters
Warner Shareholders Vote to Approve $110 Billion Merger With Paramount
April 23, 2026
Wall Street Journal
Meta Plans to Lay Off 10% of Workers
April 23, 2026
Bloomberg
Insider Trading Convictions Tossed on Appeal Because of Juror Bias
April 23, 2026
NY Attorney General
Coinbase, Gemini Sued for Gambling
April 23, 2026
Delaware Corporate & Commercial Litigation Blog
Chancery Imposes Attorneys’ Fees for Breach of Confidentiality Order
April 23, 2026
Bloomberg
American Air Explores Alaska Air Revenue-Sharing Deal
April 22, 2026
Reuters
Lululemon Names Nike Exec CEO
April 22, 2026
Wall Street Journal
Trump Nears Spirit Airlines Rescue
April 22, 2026
New York Times
Crypto Entrepreneur Files Fraud Suit Against Trump Family Firm
April 22, 2026
Sidley Enhanced Scrutiny
Chancery Reaffirms Caremark Limits
April 22, 2026
Bloomberg
Deutsche Telekom Eyes T-Mobile Tie-up
April 21, 2026
D&O Diary
Peloton Beats Product Safety Claims
April 21, 2026
Wall Street Journal
Cybercrime Is Big “Scambodia” Industry
April 21, 2026
BBC News
Insider Trading Vibe Taints White House
April 21, 2026
bitcoin.com
SEC Swaps Suits for “ACT” Strategy
April 21, 2026
New York Times
Chip Maker Cerebras Files for IPO
April 20, 2026
D&O Diary
Delaware Court Nixes “Public Offering” Exclusion in De-SPAC Coverage Case
April 20, 2026
Bloomberg
Scotus Mulls SEC Disgorgement
April 20, 2026
Investing.com
U.S. Will Punish Fraud, Insider Trading, Derivatives Regulator Tells Congress
April 19, 2026
Bloomberg
Crypto Bill Languishes in Senate
April 19, 2026
Financial Times
White Collar Defense Lawyers Idled
April 19, 2026
Bloomberg
Scotus May Nix Strongest SEC Remedy
April 19, 2026
Deal Lawyers.com
Delaware Chancery Bars Claims Release as Condition of Merger Payment
April 19, 2026
Wall Street Journal
Netflix Chair to Leave Board in June
April 16, 2026
The Governance Beat
Delaware Chancery Finds CEO’s AI Prompts May Be Subject to Discovery
April 16, 2026
D&O Diary
Cyber Incidents Have Long-Term Impact on Shareholder Value
April 16, 2026
Bloomberg
SEC Chair Atkins Faces Ticking Clock as He Reshapes Wall Street Rules
April 16, 2026
Business Law Prof Blog
Shareholder Voting Is Under Attack
April 16, 2026
Dealbook
Trump Warns He’ll Fire Powell, Again
April 15, 2026
Freshfields' A Fresh Take
FTC Rule Targets Food Delivery Fees
April 15, 2026
The Governance Beat
SEC Chair Touts Pro-IPO Plan–Again
April 15, 2026
D&O Diary
IBM Settles DEI False Claims Act Case
April 15, 2026
Wall Street Journal
He Championed the Trumps’ Crypto Venture. Now He’s Attacking It.
April 15, 2026
Bloomberg
Amazon’s $11.6 Billion Globalstar Deal Amps Up Rivalry With Musk
April 14, 2026
Freshfields Blog
Regulators Start Policing Insider Trading on Predictions Markets
April 14, 2026
New York Post
Oracle Accused of Targeting Stock-Option Holders in Recent Layoffs
April 14, 2026
BBC News
Evergrande Founder Guilty of Fraud
April 14, 2026
Deal Lawyers.com
Chancery Enforces Forum-Selection Bylaw Before It Goes Into Effect
April 14, 2026
New York Times
Oil Shock Worse Than Some Thought
April 13, 2026
The Governance Beat
Trillium Uses Non-Lawsuit Tactic to Get Shareholder Proposal Included
April 13, 2026
Bloomberg
Trump’s World Liberty Investors Balk
April 13, 2026
Financial Times
Musk Hits Legal Losing Streak Ahead of Showdown With OpenAI’s Altman
April 13, 2026
Business Law Prof Blog
The Latest on Reincorporations
April 13, 2026
Dealbook
Bosses Wary of Crypto, PE in 401(K)s
April 12, 2026
Mint
White House Tells Staff No Futures Bets
April 12, 2026
Securities and Exchange Commission
SEC Employees Report Fraud, Get Cash
April 12, 2026
Yahoo Finance
Kalshi Wins Criminal Case Reprieve
April 12, 2026
Business Law Prof Blog
Exxon Makes Board Voters’ Sole Option
April 12, 2026
Wall Street Journal
Iran Finds New Crypto-Economy Fuel
April 9, 2026
Reuters
Paramount Seals Warner Deal Backing
April 9, 2026
D&O Diary
Lending Platform Upstart Hit With AI Related Securities Lawsuit
April 9, 2026
Bloomberg
Peterffy Belittles Insider Trading Bans
April 9, 2026
Financial Times
SEC Chair Says States Should Take Lead in Policing Corporate Behavior
April 9, 2026
Wall Street Journal
Meta Announces New AI Model
April 8, 2026
New York Times
Ackman Fund Bids for Universal Music
April 8, 2026
D&O Diary
Skechers Illustrates Take-Private Risks
April 8, 2026
Securities and Exchange Commission
David Woodcock to Head Enforcement
April 8, 2026
Deal Lawyers.com
Cyber Risks Rise After M&A Closings
April 8, 2026
D&O Diary
Collective Actions Rising Outside U.S.
April 7, 2026
New York Post
Dimon Warns of NYC Business Exodus
April 7, 2026
Wall Street Journal
Auditors Want AI to Handle Inventory
April 7, 2026
Quinn Emanuel Insights
Con Law Challenges to FINRA Mount
April 7, 2026
Bloomberg
Jones Day Says Client Data Hacked
April 7, 2026
Wall Street Journal
Amazon, Post Office OK Delivery Deal
April 6, 2026
Bloomberg
OpenAI, Anthropic, Google Unite to Combat Model Copying in China
April 6, 2026
The Governance Beat
White House Issues AI Regs Blueprint
April 6, 2026
D&O Diary
Eli Lilly Urges Supreme Court to Strike Down FCA’s Qui Tam Provisions
April 6, 2026
The Hill
FBI Calls Data Breach “Major Incident”
April 6, 2026
The Governance Beat
How to Handle Vanguard Schedule 13G Amendments in Firm Proxies
April 5, 2026
Wall Street Journal
Feta Fight Strains U.S., Europe Ties
April 5, 2026
CFTC Sues on Prediction Market Laws
April 5, 2026
Politico
Trump and Wall Street May Not See Eye to Eye on Quarterly Reports
April 5, 2026
Bloomberg
Trump Plan Cuts SEC Exam Funding
April 5, 2026
Wall Street Journal
Starbucks Seeks to Boost Barista Pay
April 2, 2026
D&O Diary
No D&O Coverage for “Securities Claim” If No Company Securities Involved
April 2, 2026
Bloomberg
SEC, Musk Say Fight Over Twitter Share Stockpile May Go to Trial
April 2, 2026
Fortune
Prediction Markets’ Insider Trading Spree May Be Coming to an End
April 2, 2026
Deal Lawyers.com
Delaware Chancery Addresses When “Mere Puffery” Becomes Fraud
April 2, 2026
Wall Street Journal
Anthropic Races to Limit Code Leak
April 1, 2026
Delaware Business Litigation Report
Chancery Says Employment-Related Misconduct Not Fiduciary Breach
April 1, 2026
New York Times
Technology Backlash at Schools Extends Far Beyond Phones
April 1, 2026
Sidley Enhanced Scrutiny
Delaware Chancery Extends Earnout Remedies Beyond Damages
April 1, 2026
Bloomberg
Elon Musk Faces New Setback in Lawsuits Over 2022 Twitter Buyout
April 1, 2026
Blog Roll Header
  • Business Law Prof Blog
  • Corporate & Securities Law Blog
  • DealLawyers
  • Delaware Corporate and Commercial Litigation Blog
  • Gibson Dunn Securities Regulation and Corporate Governance Monitor
  • Harvard Law School Forum on Corporate Governance
  • How Appealing
  • PubCo @ Cooley
  • Securities Docket
  • Sidley Enhanced Scrutiny Blog
  • The D&O Diary
  • Truth on the Market
  • White Collar Crime Prof Blog
The Blue Sky Blog is Sponsored by Columbia Law School's Center on Corporate Governance.
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