If you've traded U.S. stocks and then tried to trade A-shares with the same playbook, you probably got burned. And it's not your fault — the market structure is fundamentally different:
- T+1 settlement — you can't day-trade out of a mistake. Buying the wrong break-in point locks you in until tomorrow.
- Price limits — 10% for the main board, 20% for ChiNext/STAR. A US-style "momentum chase" can leave you stuck in a 9.9% loss with zero liquidity.
- Retail-dominated tape — retail investors drive a huge share of volume. Sentiment swings are wider and faster than in any institutional market.
Technical analysis does work in A-shares — but the signals need adapting. Here are the 5 that have proven most useful in my own trading, demonstrated on real numbers from today's session (August 13, 2026, midday).
Today's Tape, Read Like a Book
| Index | Price | Change | Half-day Turnover | Turnover Rate | Volume Ratio |
|---|---|---|---|---|---|
| Shanghai Composite | 3,963.15 | +0.42% | ¥724.4B | 0.74% | 1.30 |
| Shenzhen Component | 14,519.97 | +0.73% | ¥865.1B | 1.91% | 1.37 |
| ChiNext (创业板) | 3,660.25 | +1.61% | ¥422.3B | 2.64% | 1.36 |
Three reads from this table alone:
- Growth is leading. ChiNext (+1.61%) is running more than 3x faster than the Shanghai index (+0.42%) — risk appetite is on, and capital is rotating into growth/tech names.
- Volume is expanding, not shrinking. Volume ratios above 1.3 across all three indices mean today's move has fuel. A rally on shrinking volume is suspect; a rally with rising volume is real.
- Turnover rate tells you where the crowd is. ChiNext's 2.64% vs Shanghai's 0.74% — that's where the action is. When an index's turnover rate spikes above its 10-day average, expect a directional push (and more volatility).
Signal #1: Volume Is a Disagreement Meter, Not a Supply Meter
Most beginners read "big volume = big buy". Wrong. Volume measures disagreement — how many people are switching sides.
- High volume + price stuck (滞涨) = sellers are absorbing every buy. This is the classic distribution trap: the stock makes noise but goes nowhere on huge volume. Get out.
- Low volume + slow drift down = nobody cares, no panic. Not a buy signal yet — don't catch a falling knife.
- Low volume + price stabilizes at a long-term low = sellers exhausted. This is where accumulation starts. Watch for the first volume-expansion day to confirm.
Rule of thumb: the move that matters is the one that happens on 2x your stock's average volume. Everything else is noise.
Signal #2: The 20-Day Line Is the Life Line (生命线)
For A-share medium-term trading, the 20-day moving average is the most respected line on the chart:
- Price above the 20-day line + 20-day line sloping up = trend intact. Pullbacks to the line are buying zones.
- Price breaks below the 20-day line on volume = trend broken. Even if it "looks cheap", the correct move is to wait for it to reclaim the line.
The 60-day line separates bull and bear regime. Above it: dips are buyable. Below it: rallies are sellable.
Signal #3: MACD — Everything Happens Around the Zero Axis
MACD crossovers are noisy, but zero-axis context filters out most of the noise:
- Golden cross above the zero axis = strong, continuation signal. Worth acting on.
- Golden cross below the zero axis = weak, a rebound not a reversal. Take profit early.
- Death cross below the zero axis = keep your cash.
In A-shares, the most profitable setup is: 20-day line sloping up + MACD golden cross above zero + volume expansion. All three together is rare — that's why it works.
Signal #4: KDJ in the Extreme Zones (for T+1 Short Swings)
KDJ's J value oscillates 0-100, and in A-shares the extremes matter more than anywhere else:
- J < 0 (oversold) — a bounce is statistically likely within 1-3 sessions. With T+1, you enter during the oversold session, not after the bounce confirms.
- J > 100 (overbought) — don't chase. The retail crowd is already all in; you're buying from the last buyer.
KDJ works best on 15-min/30-min charts for intraday timing of entries you exit the same day or next morning.
Signal #5: Bollinger Squeeze Predicts the Breakout
When Bollinger Bands pinch to their narrowest in weeks (the "squeeze"), volatility is about to expand. The direction is unknown — but the setup is:
- Squeeze + rising volume on the breakout day = trade it.
- Squeeze + breakout on shrinking volume = fakeout, stand aside.
The #1 Killer: Chasing (追高)
If I could delete one habit from A-share retail traders, it's chasing intraday spikes. I've done it; it's the most expensive lesson in this market. A stock up 8% at 10:30 a.m. is not a signal — it's an invitation to be tomorrow's exit liquidity.
The discipline that saved me: if you chase, you must exit at the first sign of stall (滞涨) the next session. Never turn a chase into a "long-term investment". A loss you take on day 2 is tuition; a loss you hold for 3 months is a salary.
Not Financial Advice — Just an Edge
These five signals won't make you rich overnight, but they will keep you on the right side of the tape more often than not. Pair them with a consistent risk rule (never risk more than 2% of capital on a single position) and you have a working system.
If you want to see these signals computed automatically, I've open-sourced the tools I use:
- GitHub: github.com/Felixwang007 (repo: daily-stock-analysis — MACD/KDJ/RSI/BOLL/MA in pure Python, zero dependencies)
- Xiaping Marketplace: search "A-Share Stock Analysis Expert" on xiaping.coze.com for a ready-to-use AI skill that runs the full three-pillar analysis (technical + fundamental + sentiment)
Trade safe. 📈
