As a result, skew increased on the day, even though upside call demand weakened. This matters because the rally wasn’t driven by traders buying equities; it was driven by traders selling volatility.

Due to its large dynamic range, the decibel is a useful unit of measure and is used in various applications, mainly in the ...

When you look at the atmosphere over a long period of time, it appears to move like a fluid. And just like a fluid, the atmosphere often moves in waves. When meteorologists are working to determine if ...

AHR is a transcription factor expressed by many cell types, but its physiological role in the immune system has not been well defined. AHR ligands include the environmental toxin TCDD ...

Data in Canada and Mexico limited to very slow 2G speeds Hotspot is limited to 3G speeds No five-year price guarantee Everyone must be on the same plan Taxes and fees aren't included in monthly cost ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

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"Floral morphology remains the cornerstone for plant identification and studies of plant evolution. This guide gives a global overview of the floral diversity of the angiosperms through the use of ...

Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. Thomas J. Brock is a CFA and CPA with more than 20 years of experience in ...

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