BA Stock Drops 10.69% on Tuesday, RSI Oversold

Boeing fell 10.69% on Tuesday, October 27, to $168.18, as trading volume surged to five times its 20-session average. The move came alongside an oversold reading and a newly negative MACD histogram, a combination that signals intense selling pressure but also leaves room for a short-term rebound. The shares are near their three-month low.

Trend & Price Action

The latest decline extended a sharp slide: Boeing lost 11.70% over five sessions and 10.39% over one month. At $168.18, the stock sits below its 20-day moving average of $188.35 and its 50-day average of $199.11. The 20-day average itself has fallen 1.11% over five days, reinforcing the downtrend rather than suggesting a brief dip within a rising market. No new moving-average crossover has formed. The day’s loss was about 3.3 times the average daily trading range, measured by the average true range (ATR), which stands at $5.39, or 3.2% of the share price. That points to a forceful repricing, not ordinary daily noise. Boeing closed at the stated 20-session support of $168.18 and is near the three-month low of $167.41. As shown in the chart, the price has also broken below the lower Bollinger Band at $178.03; the band’s 11.0% width remains normal, so the data do not indicate an unusually tight setup that had been primed for a breakout.

Oscillators & Momentum

The relative strength index (RSI), which gauges the speed of recent price moves, stands at 25.5—below the conventional oversold threshold. The Stochastic indicator is also deeply oversold, with %K at 3.0 versus %D at 37.3. Both readings show that selling has pushed the stock to an extreme, but oversold conditions alone do not confirm a reversal. The MACD histogram has just turned negative at -0.518, with MACD at -4.636 below its -4.118 signal line. That matters because the momentum signal is deteriorating at the same time that price is pressing its three-month low. The negative MACD confirms that downward pressure remains active, even as the oversold oscillators raise the possibility of a pause or rebound.

Volatility, Volume & Levels

Turnover reached 47,078,000 shares, compared with a 20-session average of 9,437,855. The fivefold volume surge gives the sell-off weight: the decline attracted far more participation than usual. On-balance volume (OBV), a running measure that tracks whether volume tends to accompany rising or falling prices, is also down, offering no sign in this data of accumulation offsetting the price weakness. The Bollinger %B reading of -48% places the price below the lower band, an unusually weak position relative to the band’s recent range. The bands themselves are not especially wide, while ATR points to moderate volatility by percentage of price. Together, those measures describe a sharp downside break within a market that can still move materially, rather than a confirmed volatility-driven trend reversal. The immediate level is $167.41, the three-month low; below it, the supplied data show no further support level. If that low fails, the breakdown would extend to a new three-month low. On any rebound, $178.03—the lower Bollinger Band—is the first reference point, followed by the 20-day average at $188.35. The stated 20-session resistance is $193.56, with the 50-day average at $199.11 beyond it. A move back above those levels would be needed to ease the bearish structure; the supplied indicators do not yet show that confirmation.

Technical Verdict: HOLD (wait & see)

HOLD (wait & see) best fits conflicting signals: RSI and Stochastic are oversold, but the falling moving averages, negative MACD histogram, and heavy volume with declining OBV keep the trend bearish. The price is also testing its three-month low, making a rebound possible but unconfirmed. The verdict is invalidated if price falls below $167.41, the three-month low. - Ideal entry range: $167.41–$178.03, bounded by the three-month low and lower Bollinger Band; this is a monitoring range, not a confirmation of a reversal. - Exit target: $188.35–$193.56, spanning the 20-day average and stated 20-session resistance. - Stop-loss protection: Below $167.41, the supplied three-month low. For non-traders, the indicators show a stock that may be due for a pause after heavy selling, but has not yet demonstrated that its decline has ended. *Market data: exchange data via Yahoo Finance, as provided for the Tuesday, October 27, 2026 session. Technical analysis is not an investment recommendation.* | Indicator | Reading | |---|---:| | Last price | $168.18 | | Change: 1 day / 5 days / 1 month | -10.69% / -11.70% / -10.39% | | SMA20 / SMA50 | $188.35 / $199.11 | | Bollinger upper / middle / lower | $198.67 / $188.35 / $178.03 | | RSI(14) | 25.5 | | Stochastic %K / %D | 3.0 / 37.3 | | MACD / signal / histogram | -4.636 / -4.118 / -0.518 | | ATR(14) | $5.39 | | Volume / 20-session average | 47,078,000 / 9,437,855 | | 20-session support / resistance | $168.18 / $193.56 | | Three-month high / low | $241.09 / $167.41 |

Summary Data BA

Last price	168.18 USD
Change 1 day / 5 days / 1 month	-10.69% / -11.70% / -10.39%
Trend / MA-cross	downtrend / none
SMA20 / SMA50	188.35 / 199.11
RSI (14) / Stochastic %K	25.5 / 3.0
Bollinger %B / ATR	-48% / 5.39
Support / Resistance 20 days	168.18 / 193.56
Data as of	28 October 2026 03:00 WIB

Disclaimer: This technical analysis is generated automatically from exchange data (via Yahoo Finance) and indicators calculated by JournalArta, for information and education only. The verdict and the entry, target and stop-loss levels are not investment advice or a solicitation to buy or sell any security. Investment decisions and their risks rest solely with the reader.