RESEARCH ARCHIVE / Bitcoin

Bitcoin · 2026-09-19 Daily assessment archive

UTC trading day 2026-09-19Scoring version 2026-09-25.2Content status Data and scores · AI text not generated

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ARCHIVED MARKET STATE / Market conditions for the period

Trend score / −3 to +3: +0.78
Signal consistency: 61%
Archived close / USDT / BTC: 81,249.99

System assessment “bullish bias”, trend score +0.78（confidence 61%）, previous day: “bullish”（+1.56）. BTC closed at $81,249.99, daily change +0.45%, intraday range amplitude 1.37%; 3-day +6.62%, 7-day +5.14%. Daily EMA10/EMA20 is in a bullish crossover state（spread +0.94%, 2026-08-19 bullish crossover, 31 days ago）. Derivatives, perpetual open interest -0.27%, daily average funding rate +0.0100%（previous 7 days +0.0061%）, taker buy/sell ratio 0.992, market-wide account long/short ratio 0.902 → 0.942, top trader account long/short ratio 0.983 → 1.094. Fear & Greed Index 71（Greed）. Main bullish factors: 3-day momentum, change in top trader long/short ratio; Main bearish factors: change in retail long/short ratio.

The above is the archive for 2026-09-19. The original uses “confidence,” interpreted on this site as signal consistency; it cannot directly mean probability of a rise or forecast accuracy. The original summary retains its contemporaneous wording.

01 / Data and market review

Key data

Close $81,249.99, UTC 2026-09-19 00:00 open $80,883.86, daily change +0.45% (previous close $80,883.87)
Intraday high $81,951.00 / low $80,844.58, range amplitude 1.37%; 30-day range $73,027.02 – $82,300.00
Momentum: 3-day +6.62%, 7-day +5.14%, 30-day +11.26%; 30-day daily volatility 2.46%
Daily EMA10 $78,401.12 / EMA20 $77,633.59, gap +0.94% (as % of close), golden-cross state (EMA10 above EMA20); most recent crossover: 2026-08-19 golden cross, 31 days ago
Spot volume 10,664 BTC (approximately 868 million USDT); volume over the past 7 days versus the previous 7 days +8.92%
Perpetual open interest 107,939 → 107,646 BTC（-0.27%, -292 BTC）, notional value approximately USD 8.744 billion
Daily average funding rate +0.0100%（08:00 +0.0100% / 16:00 +0.0100% / next day 00:00 +0.0100%）, previous 7-day average +0.0061%, approximately annualized +10.9%
24h aggregate aggressive buy/sell ratio 0.992 (buy 37,407 / sell 37,721 BTC); 9/24 hours buyer-dominated
Market-wide account long/short ratio 0.902 → 0.942 (+4.50%); large-trader account long/short ratio 0.983 → 1.094 (+11.36%); large-trader position long/short ratio closed at 2.070
Fear & Greed Index 56 → 71（Greed，+15）

24H market review

Early session（UTC 00:00–06:00）: $80,883.86 → $81,040.01, +0.19%, range $80,844.58 – $81,741.00, volume 2,504 BTC（of daily volume 23.5%）
Morning-to-midday (UTC 06:00–12:00): $81,040.01 → $81,302.63, +0.32%, range $80,925.76 – $81,528.01, volume 2,111 BTC (19.8% of daily total)
Afternoon（UTC 12:00–18:00）: $81,302.63 → $81,464.01, +0.20%, range $81,183.28 – $81,951.00, volume 3,580 BTC（of daily volume 33.6%）, the day's elevated-volume session
Closing session (UTC 18:00–24:00): $81,464.00 → $81,249.99, -0.26%, range $80,904.46 – $81,534.01, volume 2,469 BTC (23.2% of daily total)

02 / Scoring basis

Factor	Weight	Standardized value z	Score contribution	Availability status
Daily change	25%	0.183	+0.073	Provided
3-day momentum	10%	1.502	+0.240	Provided
7-day momentum	10%	0.769	+0.123	Provided
Daily EMA trend	10%	0.384	+0.061	Provided
Change in open interest	10%	-0.090	-0.014	Provided
Funding-rate change	5%	0.786	+0.063	Provided
Funding-rate crowding	5%	0.000	+0.000	Provided
Aggressive buy/sell ratio	10%	-0.166	-0.027	Provided
Change in retail long/short ratio	5%	-0.901	-0.072	Provided
Change in top-trader long/short ratio	5%	2.272	+0.182	Provided
Change in Fear & Greed Index	5%	1.875	+0.150	Provided

Factor values and contributions follow this period's scoring version 2026-09-25.2 and are not recalculated on the detail page.

03 / AI analysis and content status

Data and system scores are included for this period. The original archive's AI status is pending; no AI commentary is attached.

Continue checking the data and factors above, or open the current asset page to review other editions.

04 / Timing, measurement bases and data sources

The original archive lists no missing items or quality warnings; this reflects only archive fields and does not imply independent verification of market data.

Data window 2026-09-19 00:00:00 UTC → 2026-09-20 00:00:00 UTC. Data archive generated 2026-09-25 14:54:20.262 UTC; snapshot included on this page 2026-10-05 13:28:08 UTC.

Bitcoin closing prices use Binance BTCUSDT spot, in USDT / BTC; derivatives indicators such as open interest and funding rates use their respective contract data.

Spot daily chart

https://data-api.binance.vision/api/v3/klines (1d)

Spot volume by session

https://data-api.binance.vision/api/v3/klines (6h)

Large-trader long/short position ratio

https://www.binance.com

Taker buying and selling

https://www.binance.com

Funding rate

https://www.binance.com

Futures open interest

https://www.binance.com

Top trader account long/short ratio

https://www.binance.com

Market-wide account long/short ratio

https://www.binance.com

Fear & Greed Index

https://api.alternative.me/fng/

This page's data comes from existing site archives.View original daily JSON ↗

FACTS / SOURCES / CONTEXT

Page highlights and supporting materials

What period and materials does this archive cover?

Bitcoin 2026-09-19 UTC trading-day historical assessment: data and scores · AI text not generated. Retains that period's data, scoring version and sources for reviewing contemporaneous observations; historical views do not represent current market conditions.

Material date:2026-09-19(UTC trading day); status: data and scores · AI text not generated. Original dates and versions are retained.

Summary compiled:October 11, 2026 · Original data timestamps are as stated in the listed materials · Permalink to this section