Traders Revive Short-Volatility Bets as Peace Hopes Calm Markets

As hopes for a lasting deal between the US and Iran steady markets worldwide, traders are tentatively reviving a range of bets that benefit from falling volatility.

Key gauges of bond, currency and equity swings have declined almost every day since late March, as optimism has grown that the US and Iran are moving toward a agreement to end a month-long conflict that triggered the biggest oil disruption in history.