$SUI is around $3.46 - $3.70 USD.

Predicting exactly "how high" SUI will pump is impossible due to the volatile nature of cryptocurrency markets. However, here's a short note considering factors that could influence a pump:

Potential for a SUI Pump:

Ecosystem Growth: The Sui network boasts a rapidly expanding ecosystem with increasing DeFi and NFT projects, as well as forays into gaming with SuiPlay0X1. This growing utility could drive demand for $SUI.

Technical Analysis: Some analysts see bullish patterns forming on SUI's charts, suggesting potential upward momentum if key resistance levels are broken.
Market Sentiment: Positive news, partnerships (like the Greek stock exchange collaboration mentioned previously), and overall bullish crypto market sentiment could contribute to price increases.
Token Unlock: A significant token unlock is scheduled for May 1st, 2025 (approximately 74 million tokens). While this could create short-term downward pressure, strong demand and positive developments could mitigate this.
Institutional Interest: The launch of the Grayscale SUI Trust indicates growing institutional interest, which could lead to further investment.

However, consider these factors that could limit a pump or cause a price decrease:

Market Correction: Broader market downturns can significantly impact even promising altcoins like SUI.
Profit-Taking: After periods of strong growth, investors may take profits, leading to price corrections.
Token Unlock Pressure: The upcoming token unlock could increase selling pressure if the market doesn't absorb the new supply.

In conclusion, while SUI has strong fundamentals and positive developments that could fuel a pump, the actual height of any potential surge is uncertain and subject to overall market conditions and the interplay of supply and demand. Keep a close eye on technical analysis, news, and on-chain data to gauge potential price movements.