New to these numbers? Start with Short selling 101. Readings here are educational patterns — not trade recommendations.
BRK-B
Berkshire Hathaway Inc. Class B
BRK-B Short % of Float 0.96%, Days to Cover 2.33 (as of 2026-03-31, FINRA settlement cycle — not real-time). Versus the prior snapshot: -3.5 pp (down) — read as positioning change versus the prior report, not a prediction.
Cost to Borrow (securities lending fees) — coming later. Free, stable public feeds are limited; this panel is a placeholder until a compliant source is wired.
What it is
- Rule-based readings of public options and short-interest data
- The same thresholds applied across the fixed 200-name universe
- An educational starting point that shows its math and limits
What it isn't
- Buy/sell recommendations or price predictions
- Real-time short interest (FINRA publishes biweekly)
- A substitute for your own research or a licensed adviser
Options carry significant risk, including the potential loss of the entire amount invested. Short selling can involve unlimited loss potential. For methods and thresholds see Methodology. — Asset Trend Reports Team
For education and information only — not investment advice. Disclaimer · Methodology.