$SOL 📈 Key factors shaping this week’s volatilityTraders of futures should consider two fundamental drivers that can break any technical chart:Alpenglow Update (Agave v4.3): From September 21 to 28, 2026, a critical deadline is in place for validators to update their software ahead of the final hard fork in October. Any technical glitches or delays will trigger an immediate price dump, while a successful transition will push SOL higher.Macroeconomics: The recent decision by the U.S. Federal Reserve on the interest rate (the target benchmark has shifted to 3.75%) continues to pressure the markets. High liquidity supports institutional inflows into the Solana ETF, which benefits buyers in the medium term.💡 Tip for the current situationDue to increased volatility amid the network update, keep leverage within 3x–5x and use isolated margin exclusively. Try to maintain a Risk/Reward ratio of at least 1:3 in your current positions