The paper applies the standard bispectrum to NSE 1-minute price data, finds phase coupling only in Infosys, and takes that as possible evidence of artificially planted information.
This is noteworthy, given that such methods often yield superior results when examining price movements
1 Pith paper cite this work. Polarity classification is still indexing.
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An analysis of capital market through the lens of integral transforms: exploring efficient markets and information asymmetry
The paper applies the standard bispectrum to NSE 1-minute price data, finds phase coupling only in Infosys, and takes that as possible evidence of artificially planted information.