Is Berkshire Hathaway Inc. Stock (BRK.B) Overbought or Oversold?
RSI analysis computed from BRK.B's daily closing prices · Data through October 15, 2026
As of October 15, 2026, BRK.B’s 14-day RSI is 70.8, above the conventional overbought threshold of 70 — the stock has risen quickly relative to its recent trading range.
RSI-14 Scale
BRK.B reads 70.8 on the 0–100 scale.
The Supporting Picture
vs 50-Day MA
+3.4%
MA: $508.37
vs 200-Day MA
+5.5%
MA: $498.56
From 52-Wk High
-0.7%
High: $529.53
Volume vs 20-Day Avg
-70%
Avg: 3.0M shares
The 50-day average is currently above the 200-day average, which technicians read as a longer-term uptrend backdrop for the RSI reading above.
What's Behind the Reading
October 15, 2026Berkshire Hathaway's Class B shares are currently in an overbought posture, trading near their 52-week high and above the 50-day moving average. This strong momentum is plausibly related to the company's diverse portfolio of businesses, which often demonstrate resilience and perform well across various economic conditions. Positive investor sentiment towards its underlying holdings, spanning sectors such as insurance, railroads, utilities, and manufacturing, is a key driver. The company's long-standing reputation for strong management and prudent capital allocation, under Warren Buffett, continues to attract long-term investors, contributing to sustained demand for its shares and the current elevated RSI reading.
Recent Overbought / Oversold Episodes
How BRK.B behaved the last few times RSI left the neutral band — including its return over the 5 trading days after each episode ended.
| Episode | Period | Next 5 Days |
|---|---|---|
| overbought | October 14, 2026 – October 15, 2026 | Ongoing |
| overbought | August 10, 2026 | -5.9% |
| overbought | August 5, 2026 – August 6, 2026 | -3.4% |
| oversold | March 27, 2026 | +6.7% |
Past behavior does not predict future results — small sample sizes especially.
Frequently Asked Questions
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Methodology
The verdict on this page is mechanical: we compute the 14-day Relative Strength Index with Wilder’s smoothing from BRK.B’s daily closing prices, and apply the conventional thresholds — above 70 is overbought, below 30 is oversold. Moving averages, the 52-week range, and volume comparisons come from the same price history.
Indicators are recomputed after every market close. The AI commentary adds context from current news via grounded search, but never changes the computed verdict. Note: closes are as-traded; a stock split would distort readings for a few weeks until the window rolls past it.
Not Financial Advice
This page is for education and information only. Indicators are mechanical calculations, AI commentary can contain errors, and nothing here is a recommendation to buy or sell any security. Do your own research and consider consulting a qualified financial advisor. See our full disclaimer.
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