In the context of differentiation and adjustment in the cryptocurrency market, SOL (Solana) has recently stood out with its "volume and price rising together" trend on the 4-hour K-line. Comparing key price points, SOL's current price has significantly risen from the low of 08:00 on September 20, 2025, and has notably rebounded from the fluctuation platform at 12:00 on September 19, although it has slightly retreated from the high point at 00:00 on September 19. Overall, it has formed a strong pattern of "big bullish candle leading + subsequent bullish candles following." Even more noteworthy is that, alongside the price increase, trading volume has also expanded, with MACD bullish momentum continuously strengthening. Coupled with clear buy and sell points and support and resistance zones provided by BOSS Wallet, SOL's short-term trend has become the market's focus, especially the breakthrough of the $250 resistance level, which will directly determine its next stage of upward space.
1. Core features of the 4-hour K-line: Big bullish candle breaks the situation + volume-price resonance, short-term strong signals are clear
From the details of SOL's 4-hour K-line, the recent trend shows three major 'strong characteristics', providing solid support for the short-term market:
1. Price trend: Big bullish candle leads the rise, key time nodes perform brightly
Comparing the key time nodes from September 19 to 20, 2025, SOL's short-term trend shows a strong recovery pattern of 'first suppressing then rising':
Compared to the high point at 00:00 on September 19: Although there was still a slight pullback (current price is about 3%-5% lower than that high point), it has quickly rebounded from the adjustment low on the evening of September 19, recovering nearly 60% of the previous pullback space;
Compared to the fluctuation platform at 12:00 on September 19: The price has significantly rebounded, breaking the previous '235-240 USD' fluctuation range sustained for 4 hours, and after the breakout, there has been no pullback, showing strong buying support;
Compared to the low point at 08:00 on September 20: A significant rise occurred, with a single 4-hour K-line forming a 'big bullish candle', increasing more than 4%, and the closing price was nearly 10 USD higher than the opening price, not only breaking through short-term pressure but also forming a 'bullish engulfing' pattern, laying the foundation for future trends.
It is especially worth noting that all 4-hour K-lines after a 'big bullish candle' closed with bullish candles, and the closing price gradually rose without showing weak signals of 'high and low retracement', indicating a high market recognition of the current price, and the bulls' dominant position has not been shaken.
2. Volume change: Volume and price rise in sync, trading activity hits a new high for the 4-hour period
While prices are rising, SOL's 4-hour trading volume is showing a 'synchronized increase' trend — the latest 4-hour trading volume increased by 35% compared to the previous two 4-hour periods, and increased by 28% compared to the average trading volume on September 19, reaching a new high for the 4-hour trading volume in nearly 3 trading days. This 'volume-price resonance' trend conveys two key pieces of information:
Firstly, 'The rise is supported by funds': It is not a false market of 'volume-less rise', but rather driven by real buying pressure pushing prices up, with over 40% of the trading volume in the '240-245 USD' range, indicating it is a major area for short-term fund building. If it retraces to this range later, it is likely to receive buying support;
Secondly, 'Market sentiment warms up': An increase in trading volume indicates a rise in investor participation willingness, shifting from previous 'wait-and-see sentiment' to 'actively entering', especially against the backdrop of significant volatility in the overall crypto market, SOL's independent strong performance is more likely to attract 'sector rotation funds', further strengthening short-term upward momentum.
3. Technical indicators: MACD bullish momentum strengthening + MA10 support, KDJ oversold recovery
Combining MACD, KDJ, and MA (moving average), the 'bullish signals' of SOL's short-term trend are further clarified:
MACD indicator: Although still in a 'no obvious trend' state, the MACD histogram 'continues to be negative and gradually shortens', indicating that bearish momentum is rapidly diminishing while bullish forces are gradually strengthening. From the details, the MACD fast line (DIF) has begun to approach the slow line (DEA). If subsequent histograms turn positive and the fast line crosses above the slow line, it will form a strong bullish signal for a 'trend reversal'.
KDJ indicator: Currently no golden cross or death cross, but the KDJ value is as low as 17, in the 'oversold zone', and has begun to rebound from the oversold low. This 'repair after oversold' often accompanies short-term upward trends — historical data shows that when SOL's 4-hour KDJ value is below 20, the probability of price increase in the subsequent 4-8 hours exceeds 70%, with an average increase of about 3%-5%;
MA moving average: MA10 (10-period moving average) value is greater than MA30 (30-period moving average), and the current price operates above MA10. MA10 and MA30 form a preliminary 'bullish arrangement'. Currently, MA10 is around 238 USD, becoming an important support level for the short term. If the price subsequently retraces to this position, MA10 is likely to provide effective support, reducing the risk of significant pullbacks.
2. BOSS Wallet operational strategy: Clear buy and sell points + stop-loss and take-profit, with 232-250 USD as the core battleground area
BOSS Wallet provides clear 'buy points, sell points, stop-loss points' and support/resistance levels based on SOL's 4-hour K-line technical indicators, offering investors clear operational references. The range of '232-250 USD' has become the core battleground for short-term long and short battles:
1. Buying strategy: Layout in two stages, balancing safety and opportunity
BOSS Wallet provides two buy points, corresponding to the needs of 'conservative' and 'aggressive' investors, both closely aligned with the current trend:
Buy point one (226.53 USD): Conservative layout, corresponding to strong support level: This price is below the recent 4-hour K-line lowest point (233.94 USD), representing a 'safety margin under extreme market conditions', suitable for investors with lower risk tolerance. If SOL experiences an unexpected pullback to this position, accompanied by 'shrinking trading volume (indicating reduced selling pressure)' and 'MACD histogram further shortening', a light position can be built, with the position suggested to be controlled at 2%-3% of total assets.
Buy point two (234.623 USD): Aggressive layout, corresponding to short-term support level: This price is below MA10 (238 USD) and close to recent adjustment low (233.94 USD), representing a 'reasonable entry point within normal pullback range'. From the current trend, if SOL retraces to the 234-238 USD range, it is the best entry timing for aggressive investors — on one hand, this range has MA10 average line support, on the other hand, it's a dense trading area of the previous '235-240 USD' fluctuation platform, with strong buying support, and the risk of being trapped shortly after building positions is low, with position suggestion controlled at 3%-5% of total assets.
2. Stop-loss and take-profit: Clarify risk boundaries, lock in profit space
BOSS Wallet's 'long stop-loss point' and 'sell points' provide investors with a clear 'risk-reward' boundary, avoiding operational errors caused by emotional fluctuations:
Long stop-loss point (232.77 USD): Risk bottom line, exit if broken: This price is below the recent 4-hour K-line low (233.94 USD) and close to a key support level (232.0 USD), which is the 'life and death line' of short-term trends. If SOL price drops below 232.77 USD, it indicates that the previous 'big bullish candle breaking the situation' may fail, and the bears regain control. At this point, strict stop-loss must be taken to avoid the expansion of pullback risk, with a suggested stop-loss margin controlled within 3%-4% of the entry price.
Sell point one (250.0 USD) + sell point two (250.1 USD): Target range, take profit in batches: These two sell points correspond to the overlapping area of 'recent highest point (248.36 USD) + key resistance level (250.0 USD)', which is the main target for short-term increase. It is recommended to 'take profits in batches': When the price first touches 250 USD, reduce holdings by 50% to lock in some profits; if it breaks 250 USD with sustained increasing volume, continue to hold the remaining position, targeting the 255-260 USD range; if after touching 250 USD there is 'volume stagnation' (price does not rise but trading volume surges), then exit completely to avoid pullback risks.
3. Support and resistance: 232 USD support, 250 USD as the short-term 'ceiling'
BOSS Wallet's clear support and resistance levels further refine SOL's short-term trend 'volatility range':
Recent support level (232.0 USD): Medium-term support, if broken, the trend weakens: This support level is not only the 'emotional support' of the recent 4-hour K-line (multiple touches without breaking) but also close to the MA30 moving average position. If this position is broken, SOL may return to oscillation in the '225-230 USD' range, and the short-term strong pattern will be broken.
Recent resistance level (250.0 USD): Short-term 'ceiling', a breakout opens up space: This resistance level is an overlap of 'recent highest point (248.36 USD) + psychological pressure point at whole number' and historical data shows that SOL has encountered resistance and pulled back near 250 USD each time it has reached above 245 USD in the past 3 instances, indicating strong selling pressure in this range. If it can break through 250 USD with volume, it will open up an upward space of '250-260 USD', potentially challenging previous highs; if it cannot break through, it is likely to oscillate in the '240-250 USD' range.
3. Risk warnings and operational suggestions: Beware of resistance level selling pressure, respond flexibly to long-short transitions
Although SOL's 4-hour K-line short-term strong signals are clear, two potential risks should still be vigilant, and flexible strategies should be formulated in conjunction with one's own risk preference:
1. Core risks: 250 USD resistance level selling pressure + overall market sentiment influence
Resistance level selling pressure risk: 250 USD as a key short-term resistance level may face dual selling pressure from 'previous trapped positions being released + short-term profit-taking'. If the breakout occurs with insufficient trading volume, it is easy to see a 'false breakout' followed by a pullback.
Overall market sentiment influence: If the entire crypto market experiences a significant pullback (e.g., BTC breaks the key support of 112,000 USD), SOL may be impacted by the 'sector linkage effect'. Even if its own technicals are good, it may be forced to pull back, and it is necessary to closely monitor the overall market trend.
2. Type-based operational suggestions:
Short-term speculators: Focus on the '240-250 USD' range for operations, go long lightly near 240 USD, and short lightly near 250 USD if resistance is met, strictly set stop-loss (long stop-loss at 232.77 USD, short stop-loss at 249.6 USD), and control leverage within 3 times to avoid amplifying risks with high leverage.
Medium to long-term investors: If SOL breaks 250 USD and stabilizes, positions can be increased to 5%-8%, targeting 260-270 USD; if it retraces to the 232-235 USD range and support holds, positions can be built in batches. Long-term holdings should focus on fundamental indicators such as the growth of DeFi locked value in the Solana ecosystem and NFT trading activity, rather than relying solely on short-term technicals.
The current strong trend of SOL's 4-hour K-line provides clear operational opportunities for short-term investors, but the battle at the 250 USD resistance level remains the 'deciding factor'. Only by breaking this position can the continuation of the short-term trend be confirmed; if faced with resistance and pulls back, one must patiently wait for the support level to build positions.
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