The truth behind the "500,000 threshold": The larger the account size, the more stable the profit?

Yesterday, I saw Dad's financial sharing, which was very interesting:

1. Quick data overview

According to the statistics from China Securities Depository and Clearing Corporation Limited (CSDC) for the third quarter of 2025, the profitability ratio of A-share accounts is steeply positively correlated with the capital scale:

• Below 10,000 yuan: 0.1% profit

• Below 100,000 yuan: 3% profit

• Below 500,000 yuan: 15% profit

• 500,000–5,000,000 yuan: 73.8% profit

• Above 5,000,000 yuan: 97% profit, only 3% loss

2. Phenomenon breakdown

• "Capital moat" effect: Large funds can diversify allocations, hedge, and withstand volatility without being shaken out.

• "Information + tools" premium: High-net-worth clients have easier access to broker research, margin trading, derivatives, and other tools to protect positions.

• "Behavioral differences": Small accounts often chase highs and sell lows frequently, with transaction fees and slippage eroding capital; large accounts tend to hold long-term or invest in undervalued stocks, reducing mistakes.

3. Implications for ordinary investors

① Prioritize "expanding capital" over "pursuing high returns"—first accumulate the first pot of gold through salary, side jobs, and index fund investments, then consider stock picking.

② Replace "emotion" with "rules"—set position limits and stop-loss lines in advance to avoid the high-frequency trading traps common in small accounts.

③ Use "tools" to narrow the gap—low-cost broad-based ETFs, public REITs, convertible bond subscriptions, etc., can replicate part of institutional risk-return structures without 5 million yuan.

④ Make "not losing" the primary goal—remember that 85% of accounts below 500,000 yuan lose money; first learn to defend, then expand.

4. One-sentence summary

The data is cruel but honest: Account size is a "talisman" for profitability, but discipline, tools, and patience are the real tickets for ordinary people to navigate bull and bear markets, grow their capital, and eventually enter the "97% profit zone."

Let’s do a quick survey: What’s your profit/loss situation?