Stock Buybacks: Freeing the Invisible Hand, or Legitimising the Fat Finger

Man Group

Edward Cole

Research

10 Pages

Man GLG examines stock buybacks through the lens of market efficiency versus execution risk, questioning whether they genuinely enhance shareholder value or introduce hidden distortions. The paper highlights how buybacks have grown to dominate payouts while suggesting timing and implementation flaws may quietly erode returns.

Key Takeaways

Buybacks Dominate Payouts: Share repurchases surpassed dividends, accounting for over 50% of total shareholder distributions in major markets during the past decade.
Execution Timing Risk: Companies often repurchase shares after strong performance, with studies showing up to 30% of buybacks occurring near cyclical valuation peaks.
Hidden Volatility Exposure: Investors face interim risk, with potential ±15% price swings over 3 months during buyback execution windows due to delayed disclosures.
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