The 10 oz silver bar is widely considered the "sweet spot" for investors in 2026, offering a superior balance of lower per-ounce premiums than smaller bars while maintaining higher liquidity than bulky 100 oz options. For a core silver portfolio, experts recommend focusing on LBMA-accredited refineries to ensure ease of resale and IRA eligibility . Top 10 oz Silver Bars for Investors (2026) 10 oz Silver Bars - Hero Bullion