CIIT vs SPY: Correlation
How closely do Tianci International, Inc. (CIIT) and SPDR S&P 500 ETF Trust (SPY) trade together? Their weekly returns over three years give a correlation of -0.05, which is near-zero.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CIIT and SPY?
Over the past 3 years, CIIT and SPY moved with a correlation of -0.05, which is near zero, meaning they move largely independently. Little has changed lately, as the 1-year reading of -0.06 lands near the 3-year figure. Over 5 years the correlation is -0.03, and the annualized covariance of weekly returns is -466.9 %².
Within CIIT's tracked universe of 27 assets, SPY comes in at #12 by 3-year correlation. Correlation aside, the last 12 months split them widely, with SPY ahead by 55.1 points (-34.5% versus +20.6%). One caveat on sizing: CIIT is 46.5 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
CIIT vs SPY: side by side
| CIIT (Tianci International, Inc.) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | -34.5% | +20.6% |
| 5-year return | -77.6% | +82.4% |
| Volatility (ann.) | 673.6% | 14.5% |
| Beta vs S&P 500 | -2.24 | 1.00 |
| Max drawdown (3Y) | -99.2% | -18.8% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 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 | CIIT | SPY |
|---|---|---|
| 2022 | +36.4% | -18.2% |
| 2023 | -44.8% | +26.2% |
| 2024 | +383.1% | +24.9% |
| 2025 | -91.7% | +17.7% |
| 2026 | +41.6% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CIIT and SPY good diversifiers for each other?
Yes: at -0.05, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between CIIT and SPY?
Using weekly returns as of 2026-08-27: -0.05 over 3 years, with -0.06 over the last year and -0.03 over 5 years.
Is SPY a good diversifier for CIIT?
Yes: at -0.05, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.05 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
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Related comparisons
Hubs: CIIT correlations · SPY correlations
