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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

The CLS Blue Lion logo Sky Blog

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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

How CFTC’s Strategic Proposal for Restricting Some Event Contracts Falls Short

By Ilya Beylin June 16, 2026 by Ilya Beylin

On June 10, the CFTC released a proposed rulemaking to govern the listing of event contracts (i.e., prediction products) on a set of subjects Congress identified as deserving of special scrutiny.[1]  These subjects are, as specified in Commodity Exchange …

Comment  

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 …

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 …

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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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Bloomberg
Judge Pauses Paramount-Warner Deal
July 20, 2026
Dealbook
U.S. AI Giants Face Fresh Tests
July 20, 2026
Financial Times
“Synthetic Insider” Attacks Raise Stakes for Corporate Cyber Defense
July 20, 2026
D&O Diary
Crypto D&O Risk Is Evolving
July 20, 2026
Delaware Corporate & Commercial Litigation Blog
Chancery Imposes Contempt Penalties for Non-Compliance With Injunction
July 20, 2026
Wall Street Journal
DOJ Pulls Back From Corporate Crime
July 19, 2026
Reuters
Apple Topples Nvidia as Most Valuable
July 19, 2026
Cleary Securities Watch
SEC Issues Guidance on Activist Fund Disclosure Under Schedule 13D, 14A
July 19, 2026
D&O Diary
Semi-Annual Reporting Gets Panned
July 19, 2026
Business Law Prof Blog
Trump Breaks Insider Trading Ground
July 19, 2026
Bloomberg
Honda to Halt Last U.S. EV Sales
July 16, 2026
Dealbook
Anthropic Inches Toward Mega-IPO
July 16, 2026
The Governance Beat
SEC Seeks Record Rulemakings
July 16, 2026
Financial Times
Chevron, Iraq Seek Hormuz Bypass
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Federal Trade Commission
HSR Filing Failure Brings Record Fine
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Wall Street Journal
Wall Street Firms to Tokenize Stocks
July 15, 2026
Delaware Business Litigation Report
Delaware Chancery Dismisses Fiduciary Duty and Veil-Piercing Claims
July 15, 2026
Dealbook
Is IBM a Canary in Tech Coalmine?
July 15, 2026
Financial Times
Stripe, Advent Bid $53 Billion for PayPal
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Sidley Enhanced Scrutiny
Delaware Chancery Clarifies Which Law Governs Inspection Rights
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Wall Street Journal
Scotus Justices Testify to Congress
July 14, 2026
Bloomberg
UK May Make Firms Publish Salaries
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New York Times
U.S. Workers at Most Productive Ever
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Freshfields' A Fresh Take
FTC John Deere Settlement Signals Scrutiny of Aftermarket Repair Limits
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Financial Times
Banks Thriving on Stock-Trading Boom
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New York Times
States Sue to Block Paramount-Warner
July 13, 2026
The Governance Beat
Pharma Firms Ready to Go Semi-Annual
July 13, 2026
Financial Times
Suit Over Tylenol-Autism Link Revived
July 13, 2026
D&O Diary
AI-Related Securities Suits Evolving
July 13, 2026
Sidley Enhanced Scrutiny
Delaware Chancery Draws a Line on Release Conditions in M&A
July 13, 2026
Bloomberg
Trump Embraces Australian Retirement System Backed by Larry Fink
July 12, 2026
Delaware Business Litigation Report
Delaware Supreme Court Clarifies Distinction Between Void and Voidable
July 12, 2026
Freshfields' A Fresh Take
Federal Regulators Propose New Rules for Payment Stablecoin Issuers
July 12, 2026
Financial Times
Big Tech to Face Big EU Fines for Consumer Protection Failures
July 12, 2026
Business Law Prof Blog
How Comment Letters Stack Up on SEC Semi-Annual Reporting Rule
July 12, 2026
Wall Street Journal
Netflix Exploring Live TV, Bundles
July 9, 2026
Bloomberg
Goldman Bans Staff From Prediction-Market Bets on Finance, War
July 9, 2026
Cleary Securities Watch
SEC Issues 2026 Rulemaking Agenda
July 9, 2026
Securities Regulation and Corporate Governance Monitor
SEC Guidance on Activism, Tender Offers, Proxy Matters, Crowdfunding
July 9, 2026
Business Law Prof Blog
The Latest on Reincorporations
July 9, 2026
Bloomberg
Supreme Court’s Originalism Is Dead
July 8, 2026
Wall Street Journal
Why Smucker’s Bet on Twinkie Flopped
July 8, 2026
Delaware Business Litigation Report
Chancery Applies “Heightened” Presumption of Director Independence
July 8, 2026
New York Times
Lawyer William D. Zabel Dies
July 8, 2026
D&O Diary
New Lawsuit Suggests Evolution in Cross-Border Securities Fraud
July 8, 2026
Wall Street Journal
U.S. Revokes Iranian Oil-Sales Waiver
July 7, 2026
Bloomberg
Fed Proposes Changes to Anti-Money Laundering Rules for Banks
July 7, 2026
D&O Diary
Private Credit Firm Sued Over Excessive Payment-in-Kind Fee
July 7, 2026
Sidley Enhanced Scrutiny
Chancery Rules Indemnification Can Fix Bad Purchase-Price Adjustment
July 7, 2026
Delaware Corporate & Commercial Litigation Blog
Delaware Chancery Clarifies Implied Covenant of Good Faith and Fair Dealing
July 7, 2026
Wall Street Journal
Banks Mull Deal to Shake Up Payments
July 6, 2026
Bloomberg
Toyota to Make Truck in Texas Not Mexico
July 6, 2026
Freshfields' A Fresh Take
SEC Expanding Regulatory Perimeter
July 6, 2026
Financial Times
Microsoft to Axe 4,800 Jobs
July 6, 2026
Deal Lawyers.com
Delaware Supremes Say Fraudulent-Reps Reliance OK Despite Diligence Gaps
July 6, 2026
Reuters
UK Budget Airline to Accept Takeover
July 5, 2026
Wall Street Journal
Why Billionaire Wants to Pay More Tax
July 5, 2026
Cleary Securities Watch
SEC Updates Debt Tender-Offer Rules
July 5, 2026
D&O Diary
Solar Panel Company Hit with Tariff-Related Securities Suit
July 5, 2026
Delaware Corporate & Commercial Litigation Blog
Delaware Chancery Harmonizes Conflicting Forum Selection Clauses
July 5, 2026
Reuters
US to End North American Trade Deal
July 1, 2026
Wall Street Journal
Scandals Shake Up McKinsey Board
July 1, 2026
Bloomberg
Exxon to Change Name Post-Redomicile
July 1, 2026
Financial Times
White House Lifts Anthropic Ban
July 1, 2026
D&O Diary
Federal Contractors Claim Fuzzy DEI Requirements Put Them at Risk
July 1, 2026
Delaware Corporate & Commercial Litigation Blog
The Key Delaware Corporate and Commercial Decisions of 2026 So Far
July 1, 2026
Bloomberg
TikTok Finalizes Addiction-Suit Deal
June 30, 2026
Cleary M&A Watch
Shareholder Activism at 2026 Midpoint
June 30, 2026
New York Times
AOL, Vimeo, Other Oldies Live Again
June 30, 2026
Financial Times
New “Claude” Seeks Pharma Revenue
June 30, 2026
D&O Diary
Securities Suits Up in Year’s First Half
June 30, 2026
Wall Street Journal
Remote Work Shrinks New-Grad Jobs
June 29, 2026
Dealbook
Comcast to Spin Off NBCUniversal
June 29, 2026
Financial Times
Scotus Rules Fed Governor Can Stay
June 29, 2026
D&O Diary
FTC, Then Shareholders, Sue Zillow
June 29, 2026
Yahoo Finance
SEC Probing PE Continuation Funds
June 29, 2026
Wall Street Journal
FIFA Ban a Stadium Sponsor Boon
June 28, 2026
Bloomberg
Flawed Robotaxis Making Headway
June 28, 2026
New York Times
OpenAI IPO May Wait Until Next Year
June 28, 2026
Cleary Securities Watch
Update on 2026 Shareholder Activism
June 28, 2026
Sidley Enhanced Scrutiny
Delaware Chancery Clarifies Limits of Delaware Notice Pleading
June 28, 2026
D&O Diary
Delaware Court: Bump-Up Clause Bars Shareholder-Suit D&O Coverage
June 28, 2026
D&O Diary
AI Governance Is a Fiduciary Duty
June 25, 2026
Justice Department
SPAC Ex-CEO Sentenced to 3 Years
June 25, 2026
Bloomberg
SEC Joins Prediction Market Fray
June 25, 2026
Deal Lawyers.com
Texas Biz Court Adresses “Affiliate” Under Drag-Along Rights Provision
June 25, 2026
Business Law Prof Blog
Nevada Starts Business Court Pilot
June 25, 2026
Bloomberg
Anthropic Accuses Alibaba of “illicitly” Accessing AI Models
June 24, 2026
Financial Times
Bitcoin Hits 20-Month Low
June 24, 2026
Cleary Securities Watch
CFTC Proposes New Rule on Oversight of Prediction Markets
June 24, 2026
D&O Diary
Case Shows How Pre-IPO Share Repurchases Create D&O Risks
June 24, 2026
Deal Lawyers.com
SEC Issues New CFI on Rights Listings in Business Combinations
June 24, 2026
Wall Street Journal
CEO Paydays Soar Past $200 Million
June 23, 2026
Bloomberg
Banks Capping Private Credit Exits
June 23, 2026
The Governance Beat
Audit-Committee Chair Top 10 Wishes
June 23, 2026
Financial Times
Paul Weiss Snags Bankruptcy Star
June 23, 2026
D&O Diary
Derivative Suit Alleges Uber is a “Serial Compliance Offender”
June 23, 2026
Wall Street Journal
SpaceX Readies Bond Market Debut
June 22, 2026
Bloomberg
Former Fed Chair Greenspan Dies
June 22, 2026
The Governance Beat
PwC Report Says Effective Governance Requires Boards and Management
June 22, 2026
D&O Diary
Texas Anti-ESG Effort Targets ISS
June 22, 2026
Deal Lawyers.com
U.S. Court Allows Shareholder Claims Over Regulatory Approval Disclosure
June 22, 2026
Reuters
Trump: Anthropic No Security Threat
June 21, 2026
Wall Street Journal
Hollywood Hits Pre-Pandemic Highs
June 21, 2026
Financial Times
Wars Drawing VCs to Defense Tech
June 21, 2026
D&O Diary
SEC’s Proposal to Ditch Quarterly Reporting Draws Heated Comments
June 21, 2026
Business Law Prof Blog
Delaware Chancery Issues First Decision Interpreting DGCL Section 144
June 21, 2026
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  • Business Law Prof Blog
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  • DealLawyers
  • Delaware Corporate and Commercial Litigation Blog
  • Gibson Dunn Securities Regulation and Corporate Governance Monitor
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  • How Appealing
  • PubCo @ Cooley
  • Securities Docket
  • Sidley Enhanced Scrutiny Blog
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The Blue Sky Blog is Sponsored by Columbia Law School's Center on Corporate Governance.
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