INBK vs SPY: Correlation
How closely do First Internet Bancorp (INBK) and SPDR S&P 500 ETF Trust (SPY) trade together? Their weekly returns over three years give a correlation of 0.32, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are INBK and SPY?
On 3 years of weekly data the INBK/SPY correlation comes out at 0.32, moderate. The link has loosened recently: the 1-year correlation (0.11) runs below the 3-year figure (0.32). The 5-year figure is 0.26, and annualized covariance runs at 200.5 %².
SPY is close to the least connected end of INBK's tracked universe, ranking #7 of 11. Over the last 12 months SPY came out ahead by 11.1 percentage points (+9.5% against +20.6%). Note the risk asymmetry: INBK runs 3.0 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
INBK vs SPY: side by side
| INBK (First Internet Bancorp) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | +9.5% | +20.6% |
| 5-year return | -3.5% | +82.4% |
| Volatility (ann.) | 43.2% | 14.5% |
| Beta vs S&P 500 | 0.96 | 1.00 |
| Max drawdown (3Y) | -59.0% | -18.8% |
| Market cap | $0.2B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.88% | 1.01% |
| Expense ratio | – | 0.09% |
| Assets under management | – | $795.3B |
| Sector / category | US Listed | ETF · US Large Cap |
SPY is a Large Blend fund from State Street Investment Management: $795.3B under management, 504 holdings, a 0.09% expense ratio, a 1.01% trailing dividend yield.
Year-by-year returns
| Year | INBK | SPY |
|---|---|---|
| 2022 | -48.0% | -18.2% |
| 2023 | +1.0% | +26.2% |
| 2024 | +49.9% | +24.9% |
| 2025 | -41.4% | +17.7% |
| 2026 | +32.2% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are INBK and SPY good diversifiers for each other?
Reasonably. At 0.32, INBK and SPY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between INBK and SPY?
As of 2026-08-27, the correlation of weekly returns between INBK and SPY is 0.32 over 3 years, 0.11 over 1 year and 0.26 over 5 years.
Is SPY a good diversifier for INBK?
Reasonably. At 0.32, INBK and SPY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.32 mean?
A reading of 0.32 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: INBK correlations · SPY correlations
