BTC price today: Bitcoin holds $87K as RSI hits extreme overbought 87.84

The crypto market cap climbed 3.48% in 24 hours to roughly $2.94 trillion, with Bitcoin dominance at 59%. $BTC price today is near $86,907 on the daily chart, just below recent highs after a sharp rally. The Fear & Greed Index sits at 70 in Greed territory.

Key takeaways

• Bitcoin trades near $86,907 with daily RSI14 at 74.27 in overbought territory.
• The 1H RSI14 has reached an extreme 87.84, signaling short-term exhaustion risk.
• Daily pivot resistance sits at $88,997.23, with key support at $82,833.87.
• Bitcoin dominance holds at 59% as total crypto market cap climbs to roughly $2.94 trillion.
• The Fear & Greed Index reads 70, firmly in Greed territory.

The backdrop as of September 21, 2026 matters here. A CNBC report citing VanEck suggests bitcoin is on track to hit a key level within the next year, with fiscal worries acting as a tailwind for the asset. Fortune’s price coverage from September 18 confirms bitcoin has been grinding higher into this stretch. Trend-following money is clearly in control, but the risk of a sharp mean-reversion snapback is building underneath the surface.

Daily Chart: Trend Is Bullish, but It’s Stretched

The daily trend remains unambiguously bullish, with price well above all major moving averages. Yet overbought signals on the RSI and Bollinger Bands suggest the move is now stretched. Price at $86,907 sits well above the EMA20 at $78,822, EMA50 at $75,025 and EMA200 at $72,763 — all three stacked in textbook bullish order. This is a market that has been trending for a while, not just spiking. The RSI14 at 74.27 confirms strong momentum but also sits deep in overbought territory.