TLT vs ZCBF
iShares 20+ Year Treasury Bond ETF against Global X Zero Coupon Bond 2034 ETF: cost, size, returns, what they hold and how much of it is the same.
Fee gap
8 bp
ZCBF is cheaper
1-year return gap
—
Larger fund
TLT
$48.7B
Side by side
| TLT | ZCBF | |
|---|---|---|
| Fund | iShares 20+ Year Treasury Bond ETF | Global X Zero Coupon Bond 2034 ETF |
| Issuer | iShares | Global X |
| Category | Long-Term Treasury | Long-Term Treasury |
| Expense ratio | 0.15% | 0.07% |
| Assets | $48.7B | $494K |
| Average daily dollar volume | $3.4B | $581 |
| Listed | Jul 22, 2002 | Jan 6, 2026 |
| FrenzyCap score | 83 | 39 |
| 1-month return | −3.5% | −2.2% |
| 3-month return | −7.1% | −4.8% |
| Year to date | −10.5% | — |
| 1-year return | −12.6% | — |
| 30-day volatility | 9.5% | 6.2% |
| Worst drawdown, 1 year | −16.2% | −10.7% |
| Trailing 12-month yield | 4.99% | 3.34% |
| Holdings | 49 | 6 |
| Top 10 weight | 39.9% | 0.0% |
| Look-through P/E | — | — |
| Holdings vs fair value | — | — |
| Holdings above 200-day average | — | — |
| Net flow, latest 3 reported months | −$43M thru May 2026 | −$498K thru May 2026 |
| 30-day implied volatility | 13.9% | — |
| Holdings as of | as of Oct 8, 2026issuer data | as of Oct 9, 2026issuer data |
Returns are price returns and exclude distributions. Flows are each fund's own latest reported months and may not cover the same period.
More: full overlap table · TLT holdings · ZCBF holdings
Fund data comes from each fund's SEC filings and issuer disclosures and is shown with the date it is as of. SEC portfolio and flow filings become public about 60 days after the period they cover. Nothing here is investment advice; see Terms.