BTC Battles Key Technical Levels as Uptober Momentum Fades
BTC slips below $108,000 and trades between major moving averages, with crucial support and resistance levels now in focus.
By James Van Straten, AI Boost|Edited by Oliver Knight
Oct 21, 2025, 10:38 a.m.

- Bitcoin is currently trading between the 200 day SMA at $107,846 and the 365-day SMA at $100,367, a compression zone that has historically held price for months.
- Key levels to watch include $103,509 (2025 investor cost basis), $100,000 (psychological floor), and $112,100 (short-term cost basis)
Bitcoin continues to struggle during one of its historically strongest months, often referred to as “Uptober,” currently down more than 5% and trading below $108,000, as it approaches several critical support and resistance levels.
The 200-day Simple Moving Average (200SMA), a key indicator that often separates bull and bear markets, now sits at $107,846 and acts as immediate resistance.
STORY CONTINUES BELOW
Since the 2023 cycle began, bitcoin has mostly held this level as support, but it slipped below it in the summers of 2023 and 2024 and again in April 2025. The 365-day SMA, which provides a broader view of long-term momentum and sits at $100,367, has consistently served as a secondary support when the 200DMA fails. This is the fourth time in this cycle that bitcoin’s price has been sandwiched between these two averages, a range-bound setup that can last for months.
Additional key levels include $103,509, the average cost basis of 2025 investors according to Checkonchain data. This serves as an important price floor, as well as the $100,000 psychological support level that anchors market sentiment.

On the upside, $112,100 represents the short-term cost basis, which reflects the average onchain acquisition price for coins moved within the past six months.
Historically, bitcoin has dipped below this level during corrections, but sustained trading above it typically signals the resumption of a bull market.

AI Disclaimer: Parts of this article were generated with the assistance from AI tools and reviewed by our editorial team to ensure accuracy and adherence to our standards. For more information, see CoinDesk’s full AI Policy.
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More than $320 million in liquidations hit as bitcoin slipped under $108,000 and total crypto market value fell 3.2%
What to know:
- CoinGlass reported 122,919 traders liquidated in 24 hours totaling $320.32 million; the largest was a $2.98 million ETH-USDT order on Binance.
- U.S. spot bitcoin ETFs saw a $40.4 million net outflow Monday, including $100.7 million from BlackRock’s IBIT, according to Farside Investors.
- Among the majors, TRX fell the least (-1.1%) and XRP’s decline (-2.2%) was relatively small compared with peers.
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