PairBook
HomePNI › PNI vs TLT

PNI vs TLT: Correlation

Measured on weekly returns over the past three years, Pimco New York Municipal Income Fund II (PNI) and iShares 20+ Year Treasury Bond ETF (TLT) carry a correlation of 0.69, a strong link.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.69
strong
Correlation (1Y)
0.58
last 12 months
Correlation (5Y)
0.44
long-run
Ann. covariance
115.5
%² · weekly, annualized

How correlated are PNI and TLT?

Over the past 3 years, PNI and TLT moved with a correlation of 0.69, which is strong. The past 12 months show a weaker link (0.58) than the 3-year average (0.69). Over 5 years the correlation is 0.44, and the annualized covariance of weekly returns is 115.5 %².

Among the 18 assets we track against PNI, TLT ranks #9 by 3-year correlation. Over the last 12 months PNI came out ahead by 9.0 percentage points (+9.3% against +0.3%).

How is this computed?

Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.

PNI vs TLT: side by side

PNI (Pimco New York Municipal Income Fund II)TLT (iShares 20+ Year Treasury Bond ETF)
1-year return+9.3%+0.3%
5-year return-26.1%-34.0%
Volatility (ann.)12.4%13.5%
Beta vs S&P 5000.280.11
Max drawdown (3Y)-16.4%-14.8%
Market cap
P/E (trailing)
Dividend yield5.18%4.75%
Expense ratio0.15%
Assets under management$41.5B
Sector / categoryUS ListedETF · Bonds
Higher yield: PNI 5.18% vs 4.75%Smaller drawdown: TLT -14.8% vs -16.4%Higher 5y return: PNI -26.1% vs -34.0%

On the fund side, TLT sits in the Long Government category at iShares, with $41.5B under management, a 0.15% expense ratio, a 4.75% trailing dividend yield.

-4%0%+10%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. PNI · TLT

Year-by-year returns

YearPNITLT
2022-26.5%-31.2%
2023+0.2%+2.8%
2024-1.0%-8.1%
2025+1.4%+4.2%
2026+2.4%-2.1%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are PNI and TLT good diversifiers for each other?

Only partially. A correlation of 0.69 means PNI and TLT share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

FAQ

What is the correlation between PNI and TLT?

Using weekly returns as of 2026-08-27: 0.69 over 3 years, with 0.58 over the last year and 0.44 over 5 years.

Is TLT a good diversifier for PNI?

Only partially. A correlation of 0.69 means PNI and TLT share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.69 mean?

A reading of 0.69 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

Use this data

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/pni-vs-tlt.json

PNI vs TLT: 3-year weekly correlation 0.69PNI vs TLT0.69

Markdown for the live badge, attribution link included:

[![PNI vs TLT correlation](https://www.pairbook.io/api/v1/badge/pni-vs-tlt.svg)](https://www.pairbook.io/pair/pni-vs-tlt/)

The core API is free. Terms and every endpoint in the API documentation.

Related comparisons

Hubs: PNI correlations · TLT correlations