Black Swan Finder

Feed historical closes to pinpoint moves exceeding threshold standard deviations (usually 6σ are considered “black swan” events).


Prices can be comma or newline separated. σ uses log returns between consecutive prices. Top 20% absolute moves are trimmed before computing σ.

Results

Total Observations
Black Swans Found
Std Dev (trimmed)
±Threshold Return
Returns vs Threshold
Bars show log returns. Red dots mark events beyond ±threshold.
# Observation Return (%) σ Score
No events detected.