Share this article

Bitcoin Holds $40K Support, Initial Resistance at $47K

Oversold conditions could stabilize the pullback toward $47K resistance.

Updated Dec 28, 2022, 9:00 p.m. Published Sep 21, 2021, 11:18 a.m.
Bitcoin four-hour price chart (CoinDesk, TradingView)

Bitcoin is stabilizing as buyers defended support at the $40,000-$42,000 breakout range. The cryptocurrency is oversold on intraday charts, which could encourage further upside toward the $47,000 resistance level.

BTC was trading at about $43,000 at press time and is roughly flat over the past 24 hours.

STORY CONTINUES BELOW
Don't miss another story.Subscribe to the Crypto Daybook Americas Newsletter today. See all newsletters
  • The relative strength index (RSI) on the four-hour chart is deeply oversold, which typically precedes short-term price increases.
  • Bitcoin faces initial resistance at its 100-period moving average on the four-hour chart at about $47,000, and then at $50,000, where buyers have continuously taken profits.

More For You

Protocol Research: GoPlus Security

GP Basic Image

What to know:

  • As of October 2025, GoPlus has generated $4.7M in total revenue across its product lines. The GoPlus App is the primary revenue driver, contributing $2.5M (approx. 53%), followed by the SafeToken Protocol at $1.7M.
  • GoPlus Intelligence's Token Security API averaged 717 million monthly calls year-to-date in 2025 , with a peak of nearly 1 billion calls in February 2025. Total blockchain-level requests, including transaction simulations, averaged an additional 350 million per month.
  • Since its January 2025 launch , the $GPS token has registered over $5B in total spot volume and $10B in derivatives volume in 2025. Monthly spot volume peaked in March 2025 at over $1.1B , while derivatives volume peaked the same month at over $4B.

More For You

Zcash Floats Dynamic Fee Plan to Ensure Users Won’t Be Priced Out

(Christian Dubovan/Unsplash, modified by CoinDesk)

ZEC zoomed 12% amid the fee discussion, beating gains across all major tokens.

What to know:

  • A new proposal by Shielded Labs suggests a dynamic fee market for Zcash to address rising transaction costs and network congestion.
  • The proposed system uses a median fee per action observed over the prior 50 blocks, with a priority lane for high-demand periods.
  • The changes aim to maintain Zcash's privacy features while avoiding complex protocol redesigns.