In the short term in cryptocurrencies, it is key to seek assets with high volatility and good trading volume. Here are some options:

1. Altcoins with Bullish Trend and High Volume

Solana (SOL): Tends to move quickly in bullish trends and has strong backing.

Injective (INJ): Has had explosive gains recently and continues to develop well.

Celestia (TIA): New project with great interest and potential for rapid growth.

2. Cryptos with Upcoming Events (Price Catalysts)

Arbitrum (ARB): Anticipates possible airdrops or improvements in its ecosystem.

Polygon (MATIC): Constant updates can generate sudden demand.

3. Memecoins with Potential for Rapid Rally (High Risk)

Dogecoin (DOGE) or Shiba Inu (SHIB): If Elon Musk or any news boosts them, they can rise sharply in a short time.

Pepe (PEPE): Has had spikes of volatility with trading opportunities.