Vale call volume above normal and directionally bullish

Bullish option flow detected in Vale (VALE) with 7,324 calls trading, 1.1x expected, and implied vol increasing over 4 points to 29.17%. Mar-25 10 calls and 3/14 weekly 9 puts are the most active options, with total volume in those strikes near 7,100 contracts. The Put/Call Ratio is 0.55. Earnings are expected on April 24th.