Petrobras call volume above normal and directionally bullish

Bullish option flow detected in Petrobras with 16,073 calls trading, 1.1x expected, and implied vol increasing over 2 points to 48.08%. Feb-23 12 calls and Feb-23 10 calls are the most active options, with total volume in those strikes near 8,700 contracts. The Put/Call Ratio is 0.27. Earnings are expected on March 1st.