Analysis of the 15-minute strategy for the perpetual contracts ETH/USDT ( based on data from August 15, 2025, at 21:45 )

Basic logic: approaching a trend reversal with a contraction in the Bollinger Bands, buying on dips and selling on rises to capture breakouts.

Key Data Analysis
Price Dynamics:

The current price is 4552.57, above the Bollinger average of 4530.51, the volatility range is narrow (UB:4586.16/LB:4474.87).

Support: 4530 ( Bollinger Moving Average ), 4528.34 ( Daily Low ); Resistance: 4586 ( Bollinger Upper ), 4600 ( Psychological Barrier ).

Volume signal: 219.66 thousand sheets ( less than the 24-hour average ), continuing fluctuations in trading volumes.

Indicator Signal:

MACD Bottom Crossover: The MACD column (8.97) turns red, and the DIF (-2.82) crosses above the DEA (-11.80), and short buying strength begins to form.

RSI Neutral: 55.69/52.64/47.81, no excessive buying or selling risks.

Key levels: 4528.34 forms a double bottom support, 4586 forms strong resistance.

Low-risk strategy: Binary boundary trading
Buy Entry Points:

The rebound to the 4530-4535 area ( the Bollinger moving average ) is stable, with the expansion of the red MACD bars.

Target: 4560 → 4580 ( Upper Bollinger line ).

Stop Loss: 4525 ( if it falls below the previous low ).

Sell entry point:

It returned to the range of 4580-4585 ( the upper limit of Bollinger ) and faced rejection, and RSI6 < 60.

Target: 4550 → 4535.

Stop Loss: 4590 ( Break Resistance ).

Timeline and Risk Management
Operating Window:

Purchase deal: 21:45-22:30 (Liquidity adjustment at the end of the US trading session)

Sell Deal: 22:30-23:00 (Verification Period of Breakthrough)

Holding period: ≤25 minutes, earning $15 means taking a profit of 50%.

Position Management: ≤3% of total funds, profit to loss ratio ≥3:1 ( Stop Loss $8, Take Profit $24).

Strategic Feature:
① The Bollinger Bands contraction provides clear trading limits;
② The lower MACD crossover enhances the safety of the long position.
Warning of risks: If the limits are not reached by 23:00, abandon the deal!

Job Summary:
① Buy opportunities: 4533 light buy, stop loss 4525, target 4560→4580.
② Sell opportunity: 4582 light sell, stop loss 4590, target 4550.

(Note: If 4590 is broken with a large trading volume, buy up to 4610; if 4525 is broken with a large trading volume, sell down to 4500) #Gate 8月储备金报告出炉 #BTC再创新高 #晒出我的Alpha积分