BYD Stock Drops 2.21%, RSI Oversold In Focus

BYD’s Hong Kong-listed shares closed at HK$72.90 on Oct. 8, down 2.21% for the day, after reaching their lowest level in 20 trading days and coming within reach of the three-month low of HK$72.75. The shares are oversold by several momentum measures, but that is not yet the same as a confirmed rebound: the broader trend remains downward, and trading volume and the on-balance volume measure point to continued selling pressure. The price and volume data are from the exchange via Yahoo Finance, as of 3:08 p.m. WIB on Oct. 8, 2026.

Trend & Price Action

The decline has gathered pace across several periods: BYD fell 3.57% over five trading days and 10.88% over one month. Its last price is below both the 20-day simple moving average of HK$78.02 and the 50-day average of HK$85.18. The 20-day average is also sloping down, falling 3.20% over five days. Together, those signals indicate weakness across both the shorter and longer trend measures, rather than a single-day setback. The stock is at the bottom of its reported 20-day range and close to its three-month low of HK$72.75; the three-month high was HK$96.65. There has been no recent moving-average crossover, so the data show no technical shift that would confirm the downtrend has ended. The Bollinger Bands, which track price relative to a recent average and its normal range, put the shares near the lower boundary: the lower band is HK$72.47, and %B is 4%. That low reading signals that the price is pressed against the band, but it does not by itself establish that a recovery is under way. The band width is 14.2%, described as normal rather than unusually narrow or wide.

Oscillators & Momentum

The momentum indicators show an unusually stretched decline. The RSI is 24.8, below the commonly watched 30 threshold, while the Stochastic readings are %K 1.6 and %D 15.1; both are in oversold territory. These measures describe the recent speed and persistence of selling. They can flag conditions in which a bounce becomes more plausible, but they are not a timing signal on their own. The MACD remains negative at -3.162, below its signal line at -2.911, with a negative histogram of -0.251. That configuration suggests downside momentum is still in place. The tension matters: RSI and Stochastic show that the decline is stretched, while MACD has yet to confirm a reversal.

Volatility, Volume & Key Levels

Average true range, a measure of typical price movement, is HK$1.98, or 2.7% of the share price—moderate volatility by the supplied data. That means a move near a technical level may still be accompanied by notable day-to-day swings. Volume was 18,847,625 shares, about 1.2 times its 20-trading-day average of 16,270,496. Higher-than-normal turnover during a decline can indicate that the move is attracting participation, rather than occurring in thin trading. The falling on-balance volume (OBV), which tracks whether volume is flowing more on rising or falling days, adds to that caution. The immediate support reference is HK$72.90, the 20-day floor and latest closing price; below it, the three-month low at HK$72.75 is the next stated reference. The Bollinger lower band at HK$72.47 sits nearby. A sustained move below those levels would deepen the technical damage. On the upside, the 20-day resistance is HK$81.50; the 20-day average at HK$78.02 is a nearer measure of trend repair, but remains above the current price.

Technical Verdict: HOLD

The technical verdict is HOLD (wait & see), reflecting a conflict between oversold readings and a still-negative trend. The RSI and Stochastic suggest selling has become stretched; however, the falling 20-day average, price below both moving averages, negative MACD and declining OBV offer no clear confirmation that buyers have regained control.

• Ideal entry range: HK$72.47–HK$78.02, bounded by the lower Bollinger Band and the 20-day moving average.
• Exit target: HK$81.50, the stated 20-day resistance.
• Stop-loss protection: HK$72.47, the lower Bollinger Band; a break below this level would invalidate the verdict.

For non-traders, the indicators say BYD’s shares have fallen sharply, but have not yet shown a reliable signal that the decline has turned.

Summary Data BYD

Last price	72.90 HKD
Change 1 day / 5 days / 1 month	-2.21% / -3.57% / -10.88%
Trend / MA-cross	downtrend / none
SMA20 / SMA50	78.02 / 85.18
RSI (14) / Stochastic %K	24.8 / 1.6
Bollinger %B / ATR	4% / 1.98
Support / Resistance 20 days	72.90 / 81.50
Data as of	8 October 2026 15:08 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.