Nasdaq has decided to call for stressed market conditions in derivatives on AstraZeneca (AZN) for four hours, after which time an assessment of market conditions will be made to determine if stressed market conditions are still valid.
Stressed market conditions in derivatives are called for when the underlying asset to a derivative experience high and short term intraday volatility or when other factors causes high uncertainty in the pricing of derivatives. When stressed market is called for it means that market makers are allowed to quote prices with double the normal spread.
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