Quadruple witching and FX: does it matter?

Four sets of options and futures expiring on the same day churns equities — but does it reach currencies? The honest answers are mixed, and the question is worth testing.

What's your experience?

• whether you've seen FX effects on those days
• how the equity churn shows up in risk pairs
• whether you treat the day differently

Background: risk-on risk-off explained for the transmission.