Update, don't think too much. Just hang it up.

8/2 daytime trading
Long position:
Small stop loss: stop loss at 3460 and 3440. The take profit is the same as below, and Sun Ke will enter the regular position at this point.
Position building: 3438-3412
Take profit level: 3505-3530-3550 (If this order doesn't get hit today, it should be able to reach 3670 later.)
Stop-loss level: 3390
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Short position:
Opening position: 3548-3585
Take profit levels: 3505-3475-3440-3412
Stop loss: 3615
The market is in a bearish fluctuation, but the short-term pullback may be ending; consider short positions on highs and long positions on lows.