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<p><strong>Bitcoin dropped 3.65% over 24 hours to trade near $81,061, bringing the cryptocurrency into direct contact with a level that on-chain analytics firm Glassnode estimates as the average cost basis for US spot Bitcoin ETF holders, roughly $81,500. The test arrives as investors weigh whether institutional buyers accumulated through ETFs will defend that price or whether the market needs a deeper reset before recovering.</strong></p>
<h2 id="bitcoin-s-3-7-decline-brings-81-500-into-focus">Bitcoin's 3.7% Decline Brings $81,500 Into Focus</h2>
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 <p style="margin:0 0 8px;font-weight:700;font-size:14px;color:#92400e;">KEY TAKEAWAYS</p>
 <ul style="margin:0;padding-left:20px;color:#1c1917;">
  <li>Bitcoin fell approximately 3.7% over 24 hours on Coinbase, sliding toward $81,000.</li>
  <li>The decline tested Glassnode's roughly $81,500 estimate of the average cost basis for US spot ETF holders.</li>
  <li>The ETF cost-basis level has functioned as October support after capping Bitcoin's spring rally, making it a closely watched reference for market participants.</li>
 </ul>
</div>
<p>According to <a href="https://thedefiant.io/news/markets/bitcoin-falls-3-7-to-test-81-500-etf-cost-basis" rel="noopener noreferrer nofollow">The Defiant</a>, the decline on Coinbase measured 3.7% over the rolling 24-hour window, placing Bitcoin squarely at a level that had previously acted as resistance during Bitcoin's May rally before flipping to support in October. That dual role, first a ceiling and then a floor, is why market participants are treating the current test as significant rather than routine. For related coverage, see <a href="https://coinwy.co/bitcoin-falls-below-70000-as-crypto-selloff-deepens/" rel="noopener noreferrer nofollow">Bitcoin Falls Below $70,000 as Crypto Selloff...</a>.</p>
<figure style="margin:24px 0;padding:20px 22px;border:1px solid #e5e7eb;border-left:4px solid #dc2626;border-radius:8px;background:#fffafa;font-family:Arial,Helvetica,sans-serif;">
 <div style="margin:0 0 7px;color:#6b7280;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;">
  BTC-USD daily change
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 <div style="margin:0;color:#991b1b;font-size:34px;font-weight:800;line-height:1.1;">
  -3.65%
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 <figcaption style="margin-top:10px;color:#4b5563;font-size:13px;line-height:1.45;">
  Yahoo Finance's fetched BTC-USD snapshot recorded a 3.65% regular-market decline, closely matching the 3.7% drop described in the report. Source: Yahoo Finance.
 </figcaption>
</figure>
<p><a href="https://research.glassnode.com/the-week-onchain-week-42-2026/" rel="noopener noreferrer nofollow">Glassnode's Week On-Chain report for week 42 of 2026</a> noted that during the deepest dip on October 15, Bitcoin produced an hourly close of $80,100, before recovering above the ETF cost-basis line within the next hourly candle. That swift recovery suggested demand near the level, though a single hourly close is not confirmation of durable support. For related coverage, see <a href="https://coinwy.co/bitcoin-holds-near-65000-as-800-billion-ai-selloff-leaves-crypto-largely-untouched/" rel="noopener noreferrer nofollow">Bitcoin Holds Near $65,000 as $800 Billion AI...</a>.</p>
<figure style="margin:24px 0;padding:20px 22px;border:1px solid #e5e7eb;border-left:4px solid #f59e0b;border-radius:8px;background:#fffdf7;font-family:Arial,Helvetica,sans-serif;">
 <div style="margin:0 0 7px;color:#6b7280;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;">
  Bitcoin price
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 <div style="margin:0;color:#111827;font-size:34px;font-weight:800;line-height:1.1;">
  $81,061.08
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 <figcaption style="margin-top:10px;color:#4b5563;font-size:13px;line-height:1.45;">
  BTC-USD snapshot, just below the roughly $81,500 ETF cost-basis level discussed in the report. Source: Yahoo Finance.
 </figcaption>
</figure>
<h2 id="why-the-bitcoin-etf-cost-basis-matters">Why the Bitcoin ETF Cost Basis Matters</h2>
<p>Cost basis, in its simplest form, is the average price at which an investor or group of investors acquired an asset. For US spot Bitcoin ETFs, Glassnode constructs this estimate by tracking the aggregate holdings across funds and weighting them by the prices at which shares were purchased. The resulting figure represents the approximate break-even level for ETF holders as a group. For related coverage, see <a href="https://coinwy.co/xrp-falls-2-29-amid-macro-risks-etf-inflows/" rel="noopener noreferrer nofollow">XRP Falls 2.29% as Macro Risks Hurt Crypto...</a>.</p>
<p>That does not make $81,500 a guaranteed price floor. Cost-basis levels are reference points, not automatic support. Some ETF holders may have purchased at much lower prices and hold comfortable cushion, while others who bought near recent highs may be sitting on losses that prompt selling rather than holding. The value of the metric is that it identifies a price zone where a meaningful portion of the market may have a heightened psychological and financial interest in price outcomes. This is similar to the dynamic explored in earlier <a href="https://coinwy.co/bitcoin-etf-inflows-sept-14-159-9-million/" rel="noopener noreferrer nofollow">Bitcoin ETF inflow cycles</a>, where periods of institutional accumulation created identifiable on-chain anchors.</p>
<p>Glassnode also reported that US spot ETFs recorded net inflows of approximately $653 million on October 19, their largest single-day inflow since September 22. On its face that suggests institutional demand persisted even as price softened, which the bull case would read as underlying conviction. The bear counterpoint is that trading volume during this period remained below the typical daily volume seen over the prior year, suggesting the inflow came against a backdrop of muted overall market participation rather than a broad surge of interest.</p>
<h2 id="what-traders-will-watch-around-the-81-500-level">What Traders Will Watch Around the $81,500 Level</h2>
<p>The immediate question is whether Bitcoin can reclaim and hold above the roughly $81,500 ETF cost-basis threshold on a daily closing basis. A sustained close above that level would suggest the October 15 dip was a wick rather than a breakdown, aligning with the pattern Glassnode described where the level acted as support through October. A daily close below it would shift the framing and invite scrutiny of the next significant on-chain reference levels.</p>
<p>To the upside, Glassnode places the primary overhead resistance zone between $86,500 and $87,500, where the firm identifies both the largest liquidation clusters and concentrated order-book asks near $85,000 and $87,000. Clearing that range would represent a meaningful step toward recovering the highs Bitcoin reached before the May resistance episode. Bitcoin has <a href="https://coinwy.co/bitcoin-falls-below-70000-as-crypto-selloff-deepens/" rel="noopener noreferrer nofollow">previously shown sharp drawdowns</a> when overhead resistance zones were not cleared on the first attempt, so the path through $86,500 to $87,500 is not assumed to be straightforward.</p>
<p>Sentiment data adds a layer of ambiguity. The <a href="https://alternative.me/crypto/fear-and-greed-index/" rel="noopener noreferrer nofollow">Crypto Fear and Greed Index</a> stood at 68, classified as Greed, at the time of this writing. A Greed reading suggests the broader market still leans optimistic, which could support buying near the cost-basis level. It also signals that the market has not yet fully priced in risk, meaning a sentiment reset could accompany further price weakness if buyers do not step in convincingly.</p>
<p>Corroborating ETF-flow data for the days immediately following the latest decline, along with whether Bitcoin closes the week above or below the $81,500 threshold, will be the most direct signals available to assess whether institutional demand is absorbing the sell-off or stepping aside. Traders watching broader crypto market technicals may also note that selling pressure across the sector has previously reinforced individual coin moves, making the macro context worth monitoring alongside the Bitcoin-specific cost-basis test. Bitcoin's market capitalization stood at approximately $1.63 trillion with 24-hour volume of roughly $33.6 billion, figures that reflect continued liquidity even during the pullback.</p>
<p style="font-size:13px;color:#888;border-top:1px solid #333;padding-top:12px;margin-top:30px;">Disclaimer: This article is for informational purposes only and does not constitute financial or investment advice. Cryptocurrency and digital asset markets carry significant risk. Always do your own research before making decisions.</p><a href="https://coinwy.co/?p=26061" rel="noopener noreferrer nofollow">Read original article on coinwy.com</a>
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Bitcoin Falls 3.7% to Test $81,500 ETF Cost Basis

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دیگر آرٹیکلز 23 اکتوبر، 2026 پر پبلش کیے گئے ہیں

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