RESEARCH ARCHIVE / Bitcoin

Bitcoin · 2026-09-18 Daily assessment archive

UTC trading day 2026-09-18Scoring 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: +1.56
Signal consistency: 84%
Archived close / USDT / BTC: 80,883.87

System assessment: “Bullish”, trend score +1.56 (confidence 84%), previous day: “Neutral” (0.00). BTC closed at $80,883.87, daily change +5.84%, intraday range amplitude 6.68%; 3-day +6.93%, 7-day +4.74%. Daily EMA10/EMA20 is in a golden-cross state (gap +0.64%, 2026-08-19 golden cross, 30 days ago). Derivatives, perpetual open interest -0.28%, daily average funding rate +0.0071% (previous 7 days +0.0058%), aggressive buy/sell ratio 1.063, market-wide account long/short ratio 1.445 → 0.902, large-trader account long/short ratio 1.518 → 0.983. Fear & Greed Index 56 (Greed). Main bullish factors: daily change, 3-day momentum; Main bearish factors: change in large-trader long/short ratio.

The above is the archive for 2026-09-18. The original uses “confidence”; this site interprets it as signal agreement, which cannot directly be treated as a probability of rising prices or predictive accuracy. The original summary retains its wording at the time.

01 / Data and market review

Key data

Close $80,883.87, UTC 2026-09-18 00:00 open $76,417.01, daily change +5.84% (previous close $76,417.01)
Intraday high $81,400.00 / low $76,296.00, range 6.68%; 30-day range $68,902.22 – $82,300.00
Momentum: 3-day +6.93%, 7-day +4.74%, 30-day +16.66%; 30-day daily volatility 2.56%
Daily EMA10 $77,768.04 / EMA20 $77,252.92, spread +0.64% (of closing price), golden-cross status (EMA10 above EMA20); latest crossover: 2026-08-19 golden cross, 30 days ago
Spot volume 23,908 BTC (approximately 1898 million USDT); volume over the past 7 days versus the previous 7 days +5.05%
Perpetual open interest 108,245 → 107,939 BTC (-0.28%, -307 BTC); notional value approximately USD 8.728 billion
Daily average funding rate +0.0071% (08:00 +0.0079% / 16:00 +0.0069% / next day 00:00 +0.0066%), previous 7-day average +0.0058%, approximately annualized +7.8%
24h aggregate aggressive buy/sell ratio 1.063 (buy 113,770 / sell 107,051 BTC); 12/24 hours buyer-dominated
Market-wide account long/short ratio 1.445 → 0.902 (-37.61%); large-trader account long/short ratio 1.518 → 0.983 (-35.28%); large-trader position long/short ratio closed at 1.976
Fear & Greed Index 50 → 56（Greed，+6）

24H market review

Early session（UTC 00:00–06:00）: $76,417.01 → $77,493.80, +1.41%, range $76,296.00 – $77,715.48, volume 4,029 BTC（of daily volume 16.9%）
Early afternoon（UTC 06:00–12:00）: $77,493.80 → $78,062.00, +0.73%, range $77,402.32 – $78,490.79, volume 4,987 BTC（of daily volume 20.9%）
Afternoon (UTC 12:00–18:00): $78,062.01 → $81,019.00, +3.79%, range $77,972.30 – $81,258.01, volume 11,086 BTC (46.4% of daily total), the day's high-volume session
Closing session (UTC 18:00–24:00): $81,019.00 → $80,883.87, -0.17%, range $80,796.92 – $81,400.00, volume 3,806 BTC (15.9% of daily total)

02 / Scoring basis

Factor	Weight	Standardized value z	Score contribution	Availability status
Daily change	25%	2.222	+0.889	Provided
3-day momentum	10%	1.512	+0.242	Provided
7-day momentum	10%	0.684	+0.109	Provided
Daily EMA trend	10%	0.249	+0.040	Provided
Change in open interest	10%	-0.094	-0.015	Provided
Funding-rate change	5%	0.266	+0.021	Provided
Funding-rate crowding	5%	0.143	+0.011	Provided
Aggressive buy/sell ratio	10%	1.256	+0.201	Provided
Change in retail long/short ratio	5%	3.000	+0.240	Provided
Change in top-trader long/short ratio	5%	-3.000	-0.240	Provided
Change in Fear & Greed Index	5%	0.750	+0.060	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 2026-09-18 00:00:00 UTC → 2026-09-19 00:00:00 UTC; data archive generated 2026-09-25 14:54:20.260 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)

Funding rate

https://www.binance.com

Futures open interest

https://www.binance.com

Large-trader long/short position ratio

https://www.binance.com

Top trader account long/short ratio

https://www.binance.com

Market-wide account long/short ratio

https://www.binance.com

Taker buying and selling

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 historical assessment for UTC trading day 2026-09-18: Data and scores · AI commentary not generated, retaining the period's data, scoring version and sources. For reviewing observations from that period; historical views do not represent current market conditions.

Material date:2026-09-18(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