Kalshi, a prediction market platform, has successfully completed a Series G funding round, raising $1 billion led by Wellington Management and Sequoia Capital. This significant investment comes just five months after the company was valued at $22 billion, marking an impressive 82% increase in valuation. Kalshi reports that its projected annual revenue from non-sports markets has surpassed $1 billion, with an annual trading volume equivalent to $1 trillion at current rates.