Bitcoin slipped below $83,400 on Tuesday as rising U.S. Treasury yields and weakening consumer sentiment weighed on risk assets. The Conference Board reported its Consumer Confidence Index fell to 81.9 in September, the lowest reading since April 2014, with expectations for business conditions and labor markets turning negative. Federal Reserve Bank of New York President John Williams indicated no immediate need for additional rate hikes, though markets priced only a 51% chance of an October increase. The two-year Treasury yield retreated to 4.88% after briefly hitting 4.96%, while the 10-year yield climbed to 5.27%, its highest level since early 2007. Bitcoin had briefly risen on easing bond yields earlier in the session but reversed course as yields turned higher. Open interest in Bitcoin futures dropped to 628,000 BTC, a year-to-date low, reflecting reduced market participation. Meanwhile, OpenAI is seeking to raise $30 billion at a $1.4 trillion valuation, and prediction market Kalshi is in advanced talks for a $1 billion round at a $40 billion valuation. The U.S. Strategic Petroleum Reserve offered up to 40 million barrels of oil, pressuring WTI crude to $90.50 per barrel, down 2.25% on the day. Reserve Bank of Australia raised its cash rate to 4.60%, extending a global tightening cycle. On Polymarket, odds of a Democratic sweep of Congress held near 62%, while JOLTS data showed job openings fell to 7.079 million in August. Analysts noted widening credit spreads and shifting bond market positioning, with some investors viewing elevated yields as an opportunity. Bitcoin later edged above $84,200 as spot ETFs attracted $31 million in inflows, though memecoin ZEC declined 9%. The market remains below a $2.9 trillion threshold, keeping it in a short-term downtrend amid a strong dollar and equity volatility.