Vale call volume above normal and directionally bullish

Bullish option flow detected in Vale with 25,839 calls trading, 2x expected, and implied vol increasing almost 2 points to 25.72%. Jun-24 13 calls and May-24 13 calls are the most active options, with total volume in those strikes near 12,600 contracts. The Put/Call Ratio is 0.12. Earnings are expected on July 25th.