Double-digit returns likely on Sovereign Gold Bonds maturing this year; how much will early SGB investors get?

Sovereign Gold Bonds (SGBs) maturing next year, such as Series I of 2017-18, are set to deliver double-digit annualized (CAGR) returns, with investors earning around 221% absolute returns over eight years-excluding the additional 2.5% annual interest paid semi-annually. For example, an initial investment at ₹2,951 per gram will mature at ₹9,486 per gram, and the entire maturity amount is tax-free. Early redemption is also possible at RBI-announced prices, but holding till maturity maximizes tax benefits and total returns