PTC vs SPKL: Correlation
Measured on weekly returns over the past three years, PTC Inc. (PTC) and Spark I Acquisition Corp. - Class A (SPKL) carry a correlation of -0.20, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PTC and SPKL?
On 3 years of weekly data the PTC/SPKL correlation comes out at -0.20, negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.27 lands near the 3-year figure. The 5-year figure is n/a, and annualized covariance runs at -68.5 %².
Among the 32 assets we track against PTC, SPKL ranks #26 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months SPKL outperformed by 32.1 percentage points (-26.6% for PTC against +5.5% for SPKL). Risk is not evenly split, since PTC carries 2.4 times the volatility of the other side.
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.
PTC vs SPKL: side by side
| PTC (PTC Inc.) | SPKL (Spark I Acquisition Corp. - Class A) | |
|---|---|---|
| 1-year return | -26.6% | +5.5% |
| 5-year return | +20.0% | n/a |
| Volatility (ann.) | 28.8% | 11.9% |
| Beta vs S&P 500 | 1.02 | 0.07 |
| Max drawdown (3Y) | -48.1% | -15.7% |
| Market cap | $17.2B | $0.1B |
| P/E (trailing) | 14.7 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | Information Technology | US Listed |
Year-by-year returns
| Year | PTC | SPKL |
|---|---|---|
| 2022 | -0.9% | – |
| 2023 | +45.8% | – |
| 2024 | +5.1% | +4.9% |
| 2025 | -5.3% | +7.4% |
| 2026 | -8.8% | +1.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PTC and SPKL good diversifiers for each other?
Yes: at -0.20, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between PTC and SPKL?
The PTC/SPKL correlation stands at -0.20 on a 3-year window (1 year: -0.27, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is SPKL a good diversifier for PTC?
Yes: at -0.20, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.20 mean?
A reading of -0.20 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: PTC correlations · SPKL correlations
