Confident, assured, or self-assured — showing a bold or firm attitude, often used in negotiations or personal disposition.
彼は面接で強気に意見を述べた。
He stated his opinions confidently during the interview.
交渉では強気な姿勢が時に有利に働くことがある。
A strong stance in negotiations can sometimes be advantageous.
彼女はプレゼンで強気な態度を崩さなかった。
She maintained a confident attitude during the presentation.
In finance/stock market: bullish — a market condition where prices are rising or investors are optimistic and inclined to buy.
最近の市場は強気で、株価は全体的に上昇している。
The market has been bullish lately, and stock prices are generally rising.
投資家は強気になり、大量に買いを入れた。
Investors turned bullish and made large purchases.