Vale call volume above normal and directionally bullish

Bullish option flow detected in Vale with 18,303 calls trading, 1.1x expected, and implied vol increasing over 7 points to 27.94%. Jun-25 12 calls and Dec-26 12 puts are the most active options, with total volume in those strikes near 9,200 contracts. The Put/Call Ratio is 0.29. Earnings are expected on July 25th.