1. In the stock market, the 5-minute obv index is also an address index, which has strong short-term reference value. In 5 minutes, the rise of obv indicator means bullish, and the decline means bearish; Within 5 minutes, the deviation of obv index from the stock price at the low level is a buying signal, and the deviation at the high level is a selling signal.

2. If the obv line continues to form an N-shaped rising state, it means that the rise of the stock price will be reversed.

3. If the obv line shows a continuous small N-shaped rise, there is a big N-shaped rise, indicating that the market may reverse at any time.

4. If the trend of obv line deviates from the stock price curve, the trend is not true. At this time, whether the stock price is up or down, it is likely to reverse, and investors need to be cautious.

5. If the obv line moves horizontally for more than one month and then suddenly rises, it means that the big market may appear at any time.