S&P 500 Returns

financial · 36 views
financial

What It Is

S&P 500 daily close-to-close log returns (^GSPC, 1928+). The canonical U.S. equity benchmark; heavy tails, volatility clustering, leverage effects.

Interpretation

Standard analysis sees: heavy-tailed; left-skewed; aperiodic / broadband; time-irreversible (sharp rises, slow decay). The atlas finds no named structure, but the source is distinctively extreme on Nonstationarity:ac1_trend (-3.0z) — beyond what the standard bank predicts for it.

What standard analysis sees
tail heaviness0.96
asymmetry0.02
occupancy0.25
short-range corr0.37
long-range memory0.40
spectral colour0.66
periodicity0.11
complexity0.82
time-irreversibility0.93
volatility clustering0.45
multifractality0.51
dimensionality0.63
nonstationarity0.81
What the atlas adds
Atlas-extreme metrics the standard bank can’t predict for this source
Nonstationarity:ac1_trend-3.0zbank-miss 1.1σ
Mostow Rigidity:distance_rigidity-3.0zbank-miss 1.6σ
Wasserstein:self_similarity-2.7zbank-miss 1.8σ

Composition

dtypefloat64
range[-0.229, 0.1096]
unique values16286 / 16384
mean ± std0.000273 ± 0.0101

Render Gallery

Atlas Position

Nearest neighborDistance
Nikkei Returns2.66
BTC Returns2.73
NASDAQ Returns3.45

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Which Geometries Light Up

Catch24Catch24:CO_trev_1_numrank 4/2982.2070
CayleyCayley:spectral_gaprank 4/2980.0320
CayleyCayley:growth_exponentrank 5/2982.0550
CayleyCayley:saturation_radiusrank 294/2980.0083
G2 Root SystemG2 Root System:kurtosis_differentialrank 296/298-4.0114
WassersteinWasserstein:self_similarityrank 295/2980.8372
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