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The wavelet approach covering simultaneously the time and frequency domains is employed to study the impact of the Covid-19 coverage in mass media on the performance of the Dow Jones Sukuk investment grade total return indices. The overall coherence level for the media-coverage – sukuk pairs is found to increase with the investment horizon. Multiple time-frequency regions with low level of coherence, observable along the Covid-19 systemic crisis, imply attractive diversification attributes of investing in Islamic fixed-income securities especially in times of financial stress and turmoil. We investigate coherence and phase difference patterns, which differ for distinct maturity buckets of the Sukuk indices, further highlighting their potentiality for the downside risk hedge, workable under economic and financial distress.

Assessing the impact of media sentiment on the returns of sukuks during the Covid-19 crisis