Vale call volume above normal and directionally bullish

Bullish option flow detected in Vale with 13,826 calls trading, 1.5x expected, and implied vol increasing almost 2 points to 31.18%. Feb-24 13.5 calls and Jun-24 12 puts are the most active options, with total volume in those strikes near 11,500 contracts. The Put/Call Ratio is 0.19. Earnings are expected on February 22nd.