See what your fund actually adds

iShares 20+ Year Treasury Bond ETF TLT

Historical return decomposition and an investable replication portfolio, using data through 2026-10-09.

Fund and replication metrics

TLT compared with its replication portfolio
MeasureTLTReplication
Annualized growth-8.5%-7.3%
Annualized volatility14.6%13.6%
Sharpe ratio-0.53-0.49
Maximum drawdown43.4%40.7%
Replication fit (R²)0.99 · Tracking error 1.4%

Replication portfolio

The published portfolio below is the investable basket used to model TLT’s historical return behavior.

TLT replication basket weights
TickerBuilding blockWeight
SPTLFI · Long Gov100.0%