Experiment Background
We used real A-share data from January 1, 2015 to December 12, 2025, covering approximately 5,000 stocks (excluding ST stocks), simulating 10,000 participants for each of 5 typical retail trading styles over 10 years.
Benchmark: Shanghai Composite Index return: +16.08%
This experiment reveals a harsh truth: Your trading style has already determined your fate.
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📊 The 10-Year Outcomes of Five Trader Types
1. Random Buyers - The Mediocre Majority
> No particular method, buy whatever catches their eye, sell when it feels right
| Metric | Data |
|---|---|
| Average Return | +5.29% |
| Median Return | +0.54% |
| Profitable | 5,072/10,000 (50.7%) |
| Beat Index | 2,856/10,000 (28.6%) |
| Doubled | 120 people |
| Lost 50%+ | 24 people |
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2. Passive DCA Investors - The Big Winners 🏆
> Start buying slowly below 3000 points, start selling slowly above 3000 points
| Metric | Data |
|---|---|
| Average Return | +37.72% |
| Median Return | +29.90% |
| Profitable | 8,633/10,000 (86.3%) |
| Beat Index | 6,830/10,000 (68.3%) |
| Doubled | 715 people |
| Lost 50%+ | **0 people** |
This style corresponds to TPI types: SLCR (Value Investor), ILCR (Patient Observer)
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3. Momentum Chasers - The Harvested ⚠️
> Buy when rising, panic sell when falling
| Metric | Data |
|---|---|
| Average Return | **-47.71%** |
| Median Return | -68.32% |
| Profitable | 1,034/10,000 (10.3%) |
| Beat Index | 787/10,000 (7.9%) |
| Best Return | +8,850.88% |
| Doubled | 274 people |
| Lost 50%+ | **7,094 people (70.9%)** |
But notice that +8,850% lucky winner—momentum chasing occasionally produces "legends," making you think you could be next. This is survivorship bias.
This style corresponds to TPI types: ITAE (Momentum Chaser), STAE (High-Energy Trader)
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4. Averaging Down Type - High Risk, High Reward
> Buy more as it falls, keep adding to positions, sell when breaking even (Martingale-like strategy)
| Metric | Data |
|---|---|
| Average Return | +29.71% |
| Median Return | +35.04% |
| Profitable | 6,804/10,000 (68.0%) |
| Beat Index | 6,181/10,000 (61.8%) |
| Best Return | +1,497.47% |
| Doubled | 925 people |
| Lost 50%+ | 1,102 people (11.0%) |
The maximum loss reached -98.72%, even worse than momentum chasing's -96.53%. The essence of Martingale is exchanging low-probability huge losses for high-probability small gains.
This style requires the risk tolerance of: SLAR (Strategic Investor), ILAR (Visionary Investor)
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5. Frequent Traders - Working for Brokers
> Can't resist frequent trading, averaging 44 trades per year
| Metric | Data |
|---|---|
| Average Return | +14.26% |
| Median Return | -3.03% |
| Profitable | 4,781/10,000 (47.8%) |
| Beat Index | 3,668/10,000 (36.7%) |
| Average Trades | 444 times |
| Doubled | 940 people |
| Lost 50%+ | 937 people |
The problem with frequent trading isn't just fees; more importantly, every trade is an opportunity to make mistakes.
This style corresponds to TPI types: ITAR (Opportunistic Trader), STAR (Disciplined Day Trader)
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📈 Key Metrics Comparison
| Type | Avg Return | Profit Rate | Beat Index | 50%+ Loss Rate |
|---|---|---|---|---|
| Passive DCA | +37.7% | 86.3% | 68.3% | 0% |
| Averaging Down | +29.7% | 68.0% | 61.8% | 11.0% |
| Frequent Trading | +14.3% | 47.8% | 36.7% | 9.4% |
| Random Buying | +5.3% | 50.7% | 28.6% | 0.2% |
| Momentum Chasing | -47.7% | 10.3% | 7.9% | 70.9% |
🎯 Insights for TPI Personality Types
If You're an Emotional Trader (E-type)
You're most likely to fall into the momentum chasing trap. Data shows this is the worst trading style, with 70% losing more than half.
Recommendations: 1. Establish strict trading rules, don't make impulsive decisions 2. Use automatic stop-losses to avoid panic selling 3. Consider allocating funds to DCA strategies
If You're a Conservative Trader (C-type)
Passive DCA is perfect for you. 86% profitability, 0% catastrophic losses—the most stable strategy.
Recommendations: 1. Leverage your patience advantage 2. Don't be affected by short-term fluctuations 3. Stick to buy-low-sell-high discipline
If You're an Aggressive Trader (A-type)
Averaging down may be attractive because average returns are decent. But remember the 11% catastrophic loss rate.
Recommendations: 1. Always set a maximum loss limit 2. Don't use all capital for one strategy 3. Have rules limiting position additions
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Conclusion: Your Personality Determines Your Strategy
This 10-year simulation reveals a truth:
Retail investors don't lose money because of "bad luck," but because they choose strategies that don't match their personality.
Momentum chasers are essentially ITAE types who can't control emotions, trading in the worst possible way.
Passive DCA investors are SLCR types investing in the way that suits them best.
Understanding your trader personality and choosing matching strategies is more important than any technical analysis.
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