Points clés
- Bitcoin price broke $84,000 during Monday’s market recovery.
- U.S. spot Bitcoin ETF inflows reached $324.6 million Sept. 18.
- Fidelity’s FBTC captured most inflows before the weekend breakout.
Bitcoin price jumped through $84,000 on Sept. 21 as buying pressure extended the weekend recovery. CoinGecko later showed BTC near $85,200, up 6.1% over 24 hours. The move followed renewed U.S. spot Bitcoin ETF inflows and a squeeze against bearish derivatives positions.
The rally mattered because BTC cleared levels that had capped several recovery attempts. Institutional fund flows also turned positive before the breakout. Still, Friday’s ETF activity preceded Monday’s rally, so the timing alone did not prove causation.
Bitcoin Price Breaks $84K as Trading Activity Expands
CoinGecko data showed Bitcoin trading around $85,200 during Monday’s session. Twenty-four-hour trading volume reached about $42.9 billion, while market capitalization stood near $1.71 trillion.

The same dataset showed BTC closing Sept. 20 at $81,169. That placed Monday’s advance well above the prior daily settlement and extended gains from last week.
The BTC price move also cleared the early-September range. Buyers had repeatedly struggled around the low-$80,000 area before Monday’s advance pushed through that zone.
Bitcoin Price Reclaims a Long-Term Market Marker
Galaxy Research had identified the 50-week moving average as a major Bitcoin bear-market ceiling. Alex Thorn wrote Aug. 28 that prior recoveries above the indicator often followed established cycle lows.

Galaxy reviewed 13 weekly crossings above the 50-week average during completed bear markets. A lower low followed only two of those crossings, according to the firm’s historical study.
That record did not make the signal infallible. Galaxy specifically identified the 2021-2022 cycle as an exception to the broader historical pattern.
Galaxy dated the current bear-market drawdown from the Oct. 6, 2025 peak. Its study placed the June 30 low at $58,525, down 53.1% from the peak close. Monday’s breakout extended a recovery that began after that June low. It did not start the advance from recent levels.

Bitcoin has now moved above the level Galaxy tracked during August. Scott Melker wrote Sept. 21 that BTC had broken $82,814. He tied that level to Bitcoin’s higher-high structure. Scott Melker’s X post
The technical shift therefore improved the market structure. Confirmation still depends on Bitcoin holding the breakout through subsequent daily and weekly closes.
Bitcoin ETF Flows Return as Shorts Unwind
Farside Investors showed U.S. spot Bitcoin funds recording $324.6 million in net inflows on Sept. 18. Fidelity Wise Origin Bitcoin Fund accounted for $310.7 million of that total.
That reversal followed two heavy withdrawal sessions. Farside recorded $450.4 million in outflows on Sept. 15 and $295.9 million on Sept. 16. The funds then added $159.5 million on Sept. 17. The sequence showed ETF demand improved before the weekend, but remained volatile. It also placed Fidelity’s Friday contribution against a week of sharp fund-flow swings.
CoinGlass data showed short positions dominated Bitcoin liquidations during the rally. Its dashboard classified the day’s liquidation activity as extreme compared with recent averages.
That pattern suggested forced short closures helped amplify the move. It did not show that leverage created the underlying spot demand.
BlackRock’s iShares Bitcoin Trust showed no reported net flow in Farside’s Sept. 18 table.
Fidelity states that FBTC passively tracks Bitcoin through its reference rate. The company also says the fund holds 100% Bitcoin under its current structure.
BlackRock describes IBIT as an exchange-traded product designed to reflect Bitcoin’s price performance. Its official product page listed about $59.87 billion in net assets on Sept. 17.
The fund-flow data showed renewed institutional demand before Monday’s breakout. However, one positive session did not establish a durable trend after earlier September withdrawals.
BTC Price Faces Weekly Close Test After Breakout
Bitcoin’s latest move shifted attention toward whether $82,814 can flip from resistance to support. The market now faces a test of whether spot buying can persist after short covering fades.
Galaxy’s research offered a broader reference for that test. The firm treated weekly closes above the 50-week average as stronger evidence than intraday moves.
ETF flows remain another measurable catalyst. Continued inflows would strengthen the demand case, while renewed withdrawals could weaken it.
The $82,814 area now serves as a nearby structural reference after the breakout. A return below $80,000 would place BTC back inside its previous trading range.
The next verifiable checkpoint comes with the next weekly close. Traders can then assess whether Bitcoin holds above the reclaimed trend level and prior high.
This article is for informational purposes only and does not constitute financial or investment advice. Cryptocurrency investments involve risk, and past performance does not guarantee future results. Readers should conduct their own research before making investment decisions.
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