This is ForecastNest’s 1 day forecast for BTC, created 2026-09-12 02:14 UTC. The window closed 2026-09-13 02:14 UTC, when BTC closed at $77260.23, down 0.1% from $77301.24 when the forecast was made. It traded between $77049.56 and $77483.28 along the way (-0.3% to +0.2%).
Prediction window: Continuous elapsed hours / calendar days; crypto trades 24/7.
Prediction time: 2026-09-12 02:14 UTC (9/11/2026, 10:14:32 PM EDT).
Valid until: 2026-09-13 02:14 UTC (9/12/2026, 10:14:32 PM EDT). Lead time to expiry: 24 elapsed hours. Timing: Crypto · 24/7. Based on stored prediction time, not verified model execution time.
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3 of the 6 models called a direction, and 3 of those calls were right. Each model is also asked to find the price it was forecasting from when it answers, shown as the dashed line inside its box in the picture below. Every model found it accurately.
Below are the details.
| Model | Range | Move | Confidence | Price it found | Score | Result |
|---|---|---|---|---|---|---|
| GPT-6 | $75300.00–$78800.00 | -2.6% to +1.9% | 55% | $77318.20 | 80.6 | right |
| Muse Spark 1.1 | $75200.00–$78900.00 | -2.5% to +2.3% | 58% | $77094.00 | 52.9 | no call |
| Grok 4.5 | $75800.00–$78600.00 | -1.9% to +1.7% | 42% | $77250.00 | 52.6 | no call |
| DeepSeek V3 | $74500.00–$79500.00 | -3.2% to +3.2% | 55% | $77000.00 | 52.4 | no call |
| Gemini 1.5 Pro | $75400.00–$78200.00 | -2.4% to +1.2% | 65% | $77286.00 | 82.9 | right |
| Claude Opus 5 | $74800.00–$78900.00 | -2.9% to +2.5% | 55% | $77000.00 | 80.1 | right |
How these models have done on BTC over 1 day
This forecast is settled and is included in the statistics below. The remaining records are forecasts created before 2026-09-12 02:14 UTC. Only settled directional calls count toward accuracy.
| Model | Asked | Still open | No call | Called up | Called down | Right |
|---|---|---|---|---|---|---|
| Gemini 1.5 Pro | 4 | — | 1 | 1 · 1 right | 2 · 2 right | 100% (3/3) |
| Claude Opus 5 | 1 | — | 0 | — | 1 · 1 right | 100% (1/1) |
| GPT-6 | 4 | — | 0 | — | 4 · 3 right | 75% (3/4) |
| Grok 4.5 | 4 | — | 2 | 2 · 1 right | — | 50% (1/2) |
| DeepSeek V3 | 4 | — | 2 | 1 · 0 right | 1 · 0 right | 0% (0/2) |
| Muse Spark 1.1 | 1 | — | 1 | — | — | — |
Every published BTC forecast these models made over 1 day before this question was asked, on 2026-09-12 02:14 UTC, plus this settled forecast. Forecasts created after this question are excluded. Results reflect the settlements available when this article is generated. A day-ahead call and a week-ahead one are counted separately — they are different questions. Only settled forecasts are graded, so open + no call + up + down adds up to asked. “No call” is a range too centred on the price to be pointing anywhere. Accuracy counts only forecasts that have settled, and the count behind it is shown beside it — a single right call is not a 100% record.
What each model said
GPT-6
Result: right
View full reasoning
(1) Price and access: Investing.com displayed BTC/USD at $77,318.20 with a 21:34:39 clock label, but no verifiable UTC date for that quote. This is my best retrieved proxy for September 12 at 02:14 UTC, not a verified exact-minute price; exchange API attempts failed, so data access is partial. [Bitcoin quote](https://www.investing.com/crypto/bitcoin).
(2) Market regime: The same quote page reports a 3.14% weekly decline against a 21.83% monthly gain, suggesting a correction within a broader recovery. September 11 reporting describes a post-inflation rebound toward $79,000 followed by a retreat toward $77,800. My inference is a modest downside bias over one day; insufficient synchronized intraday data warrants neutral hourly signals. [Market report](https://www.theblock.co/news/markets/2026-09-11-bitcoin-ether-rise-inflation-data-does-little-alter-fed-interest-rate-outlook-414287).
(3) Range construction: My $75,300-$78,800 forecast covers September 12 at 02:14 UTC through September 13 at 02:14 UTC, allowing approximately 2.61% downside and 1.92% upside from the quoted anchor. Historical September 10 prices span $76,553.50-$78,541.40, approximately 2.6%; this is a rough observed volatility reference, not a fitted volatility estimate. The lower bound allows a break beneath that recent low, while the upper bound allows a substantial rebound. [Historical prices](https://ca.investing.com/crypto/bitcoin/historical-data).
(4) Catalysts: The BLS calendar lists no releases during this Saturday-to-Sunday window; September CPI publication occurred before it. The September 15-16 Fed meeting is also outside the window, although anticipation may influence sentiment. Unscheduled geopolitical news and weekend liquidity fluctuations are plausible drivers, not confirmed upcoming events. [BLS calendar](https://www.bls.gov/schedule/2026/09_sched.htm), [Federal Reserve calendar](https://www.federalreserve.gov/monetarypolicy/fomccalendars.htm).
(5) Counterargument: The strong monthly advance and Friday's rebound could indicate resilient demand rather than an exhausted recovery. A sustained recovery above the reported near-$79,000 rebound area would undermine my mild bearish interpretation; a decisive move below the recent $76,550 area would instead increase the possibility of prices falling beyond my lower bound.
(6) Confidence: The 55% figure is a subjective probability that the full window's price path remains within the proposed range, not a calibrated statistical interval or the probability of a negative closing return. Confidence is limited by the uncertain baseline timestamp, unavailable verified funding and positioning data, and the possibility that weekend headlines overwhelm the modest directional evidence.
Muse Spark 1.1
Result: no call
View full reasoning
(1) What you found, and where: Live quote retrieved via Finnhub/binance feed showing Current Price $77,319.97 with open $76,907.15 and low $76,046.58; second source Convex shows $77,093.5 as of Sep 11 2026; CoinDesk headline Sep 10 shows BTC opened at $78,291.64 then slid to $77,941.56. Macro context: BTC fell below $77,000 after hotter-than-expected producer inflation drove yields higher and raised Fed hike expectations, with Fed hike odds near 60-67% heading into Sep 15-16 meeting and inflation reports due Thursday/Friday threatening $77,000 support.
(2) The current market regime as you read it: Bearish consolidation within a 2026 bear market. YTD return -12.96% and 1-year -33.36% per Finnhub, BTC described as rate-sensitive risk asset not macro hedge. Rising Treasury yields, Brent crude near $109, and firm PPI expectation +0.4% MoM are pressuring risk. ETF flows flagged as about $1bn shy of breakeven in 2026, indicating weak structural bid. Regime is defensive ahead of FOMC.
(3) Price range justification, with the levels and volatility you are using: Anchoring to ~$77.1k current. Using observed daily range ~$76,046 to $79,890 from Finnhub high/low and recent $77k support test. 1-day implied move ~2.4% given pre-CPI/Fed volatility. Asymmetrically skewed down due to hike pricing: lower bound $75,200 captures break of $76,046 intraday low and test of next support, upper bound $78,900 captures recovery toward $79,000 noted in CoinDesk recovery headline. More room below than above reflects bearish tilt.
(4) Scheduled or likely catalysts inside the window: Window is Sep 12 02:14 UTC for 24h. US PPI released Sep 11 morning and CPI/PPI follow-through still being digested per reports expecting Thursday 8:30am ET PPI. No FOMC until Sep 15-16, but market repricing of Sep hike odds (61% prediction markets, ~67% QCP, near 70% per other note) remains active driver. Oil and yield moves are intraday catalysts.
(5) The strongest counter-argument, and what would invalidate your call: Softer-than-expected CPI/core reading would reduce hike odds and could trigger short-cover rally back above $79k, as noted that softer print could give room to recover. Invalidation: daily close above $79,500 with falling yields and renewed ETF inflows would negate bearish 1d view. Conversely break below $76k could accelerate to low $75k area.
(6) Why your confidence is the number it is: Confidence 58% reflects live price confirmed from two independent feeds but limited orderbook/options skew data and conflicting Fed narrative (Goldman said hike very unlikely 9 days ago vs current 60-70% pricing). Direction over 1 day is close to noise around $77k support. Honest moderate confidence appropriate for high-macro-uncertainty pre-Fed window.
Grok 4.5
Result: no call
View full reasoning
(1) What you found, and where: Multiple sources including MarketWatch CoinDesk BTCUSD index (last ~$77,188-$77,318 as of evening Sep 11 EDT), FRED Coinbase Bitcoin series (close $77,276.50 on Sep 11), OKX/BitKan historicals, Investing.com, and Twelvedata show BTC trading near $77,200-$77,300 into the Sep 12 UTC window. August CPI released Sep 11 showed headline +0.4% m/m and 3.4% y/y (in line) but core +0.3% m/m (above 0.2% consensus), lifting near-term Fed hike odds. Recent daily ranges have been $1k-$3k with a pullback from early-Sep highs near $81k-$82k.
(2) The current market regime as you read it: BTC is in a short-term consolidation/pullback phase after a strong August recovery (+~25%) that lifted it from the low-$60ks toward $80k+. Macro headwinds (hotter core CPI, elevated Treasury yields near 5%, oil strength, and rising Sep 16 FOMC hike probability) are dominating near-term flows, while ETF flows have been mixed-to-positive on dips and the longer recovery structure from summer lows remains intact above key supports near $75k-$76k.
(3) Price range justification, with the levels and volatility you are using: Anchored at ~$77,250, the 1-day range of $75,800-$78,600 reflects recent realized volatility (daily moves of roughly 1.5-3.5%) plus the post-CPI reaction pattern of an initial dip followed by partial recovery. Downside room accommodates a retest of the $76k area or mild extension; upside is capped near recent session highs and the $78.5k-$79k zone without a clear catalyst.
(4) Scheduled or likely catalysts inside the window: No major U.S. data or events are scheduled for the immediate 1-day window after the Sep 11 CPI. The next significant items are the Sep 15-16 FOMC meeting (decision Sep 16) and the Senate procedural vote on the Clarity Act around Sep 15; these sit outside the 24-hour horizon but color positioning.
(5) The strongest counter-argument, and what would invalidate your call: A sudden risk-on shift (weaker USD, softer yields, or unexpected ETF inflow surge) could push price through $78.5k-$79k and invalidate the mild bearish tilt. Conversely, a clean break and hold below $76k would confirm deeper downside pressure beyond the stated range.
(6) Why your confidence is the number it is: Confidence is modest at 42% because the 1-day window is dominated by noise, the post-CPI reaction has already played out with limited follow-through, and no high-impact catalyst is inside the horizon; directional edge is therefore thin.
DeepSeek V3
Result: no call
View full reasoning
(1) Market regime: Bitcoin is trading near $77,000 on September 12, 2026, down from a brief spike above $79,000 the prior day and roughly 39% below its October 2025 all-time high of $126,198. The dominant driver is macro, not crypto-native. The August CPI report released September 11 showed headline inflation at 3.4% year-over-year and a hotter-than-expected 0.3% monthly core print, pushing CME FedWatch odds of a September 16 rate hike to 87%, up from 72% the day before (WSJ, September 11). Brent crude remains elevated near $107 per barrel on Middle East tensions, and the U.S. 10-year Treasury yield is hovering just below 5%. Crypto is trading as a high-beta macro asset, and the macro backdrop is hostile.
(2) Technical synthesis: The 50-week EMA sits near $77,000 and has become the line in the sand. Bitcoin tested $76,500 on September 11 and recovered, leaving a lower wick on the daily. The 4-hour chart shows a sequence of lower highs from the $82,300 peak, with momentum oscillators at oversold levels. Immediate resistance is $78,000-$79,000 (also the max pain level for the September 11 options expiry, per Greeks.live). A sustained break below $76,500 opens $74,000-$74,500 as the next dense support zone. Spot ETF flows have turned negative: $282.6 million in net outflows on September 10 alone, the largest single-day exit since July 13, with ARK 21Shares leading the selling (SoSoValue, via Cointelegraph).
(3) Price range justification: I am using the $76,500 intraday low and the $79,000 high from September 11 as the immediate volatility envelope. Historical 24-hour true range in this regime is roughly $1,500-$2,500. With a bearish macro tilt, I skew the range downward: $74,500 captures a decisive 50-week EMA break and a test of the next support shelf, while $79,500 represents a short-covering rally on any softer-than-feared FOMC positioning or an oil price retreat. This is not a symmetric distribution around $77,000; it reflects that the path of least resistance is lower.
(4) Catalysts inside the window: No scheduled U.S. economic releases fall inside the 24-hour window itself. The market is, however, positioning for the September 15-16 FOMC meeting, and headlines around Fed speakers, Middle East shipping routes, or oil price moves can hit at any time. A surprise Hormuz negotiation breakthrough (mentioned by Nexo as a Monday catalyst) could soften oil and relieve risk assets, while any escalation in the Strait of Hormuz would pressure BTC further. The Symbiosis Bitcoin bridge exploit reported September 11 is a crypto-native negative but small in market-cap terms.
(5) Counter-argument and invalidation: The strongest bullish case is that the 50-week EMA has held, Coinbase CEO Brian Armstrong publicly called the cycle bottom on September 10, and Glassnode data shows selling pressure has fallen sharply from the August peak. If Bitcoin reclaims $79,000 with volume and ETF flows flip positive, the bearish thesis is invalidated for this window. Conversely, a clean break below $76,500 with a 4-hour close would confirm the bearish structure and likely accelerate toward $74,000.
(6) Confidence: 55% reflects genuine two-sided risk. The macro direction (hawkish Fed, high oil, rising yields) is clearly negative for crypto, but the 50-week EMA is a well-defended level and the market has already priced a 87% hike probability. A single day is a short window, and crypto frequently mean-reverts after sharp multi-session declines. I am not confident enough to call a directional break, but I lean bearish and have positioned the range accordingly.
Gemini 1.5 Pro
Result: right
View full reasoning
(1) Data sources: I found Bitcoin trading near $77,286 as of early September 12, 2026 UTC, sourced from CoinStats AI and Robinhood market data. I also incorporated macroeconomic context from the Bureau of Labor Statistics' August CPI report released September 11, along with Financial Times coverage of the impending FOMC meeting.
(2) Market regime: The market has shifted into a risk-off consolidation phase. Following sticky US inflation data (headline CPI up 3.4% year-over-year) and surging oil prices, 10-year Treasury yields have spiked above 4.75%. This tightening financial environment is driving a moderate de-risking across crypto assets as expectations of a Fed rate hike mount.
(3) Price range: I project a 24-hour range of $75,400-$78,200. Bitcoin recently slipped below short-term support at $77,500 and its momentum is decelerating, making a test of the $76,000 to $76,400 structural support zone highly probable. However, moderate derivatives funding rates and a lack of excessive open interest should cap severe downside volatility.
(4) Catalysts inside the window: The immediate 24-hour window falls over the weekend, a period characterized by thinner liquidity and an absence of major macroeconomic data releases. Price action will largely be driven by the market's delayed digestion of Friday's hot CPI print and defensive repositioning ahead of the FOMC meeting on September 16.
(5) The strongest counter-argument: The primary risk to this bearish bias is persistent institutional demand. Entities like Strategy and spot ETFs have shown a willingness to aggressively buy dips. A sudden weekend accumulation block could quickly reverse the downtrend and push BTC back above the daily EMA20 at $77,030, invalidating the weakness.
(6) Confidence: My confidence sits at 65%. The macroeconomic drag from rising yields and hawkish Fed repricing provides a clear fundamental headwind, but the historically erratic nature of weekend crypto liquidity means temporary counter-trend bounces are a constant hazard.
Claude Opus 5
Result: right
View full reasoning
(1) What I found, and where: BTC opened Friday 11 September 2026 at $76,536 (Yahoo Finance, finance.yahoo.com), printed a session low of $76,040 immediately after the 8:30 a.m. ET CPI release, then reversed hard and ran as high as $79,837 (Decrypt, decrypt.co, citing Bitstamp data). By Friday afternoon US hours the entire move was gone: CoinDesk's live blog reported BTC back at roughly $77,000 and flat over 24 hours (coindesk.com). Fortune had it at $77,665 at 9:15 a.m. ET, and end-of-day aggregator quotes ranged $77,062 (Coinbase) to $77,404 (CoinMarketCap). I report $77,000 as the anchor, taken from the freshest source I could retrieve, roughly seven hours before the window start. I could not retrieve a quote dated at or after 2026-09-12 02:14 UTC, which is why data_access is 'partial' rather than 'live' - the number is current-session, not baseline-stamped.
(2) Market regime: a macro-driven crypto tape inside a resumed tightening cycle. August CPI (BLS, released 11 Sep) came in at 3.4% YoY and 0.4% MoM, both in line, but core rose 0.3% MoM against 0.2% expected even as annual core cooled to 2.4%, its lowest since 2021. CME FedWatch hike odds for the 15-16 September FOMC moved from roughly 69% pre-print toward 90% after it, with October hike odds jumping to 42% from 27% (CoinDesk). The 2-year Treasury yield rose to about 4.63%, a multi-year high, and the 10-year is pressing 5%. Brent is up roughly 8% on the week on the Iran war (CoinDesk, Yahoo Finance). BTC is about 39% below its $126,210 all-time high of 6 October 2025 (Coinbase) and down roughly 5% on the week. Sentiment is oddly warm inside that - Fear & Greed at 69-73 (greed), total crypto cap back near $2.7T per Decrypt - which is a divergence, not a confirmation.
(3) Price range: I anchor to $77,000 and skew slightly down. Friday's realised range was $76,040-$79,837, about 5%, but that was a CPI session; the window is a Saturday, and weekend realised vol typically runs well below weekday. I am using a daily sigma of roughly 2.0-2.3% for a no-data weekend session, giving a band of about -2.9% / +2.5% for roughly 75-80% containment. $76,000-$76,040 is the near support that held twice this week; $79,800-$80,000 is the level buyers failed at in the highest-volume hour of the week. The asymmetry is deliberate: a rally that reaches $79,837 and gives back all of it in the same session is a failed breakout, and the side with more room to travel unopposed is the downside toward $75,000, a level with little recent structure beneath it.
(4) Catalysts inside the window: essentially none scheduled. 12 September is a Saturday - no US data, no BLS release, no Fed speakers of consequence, and the FOMC decision sits three days beyond the window on 15-16 September. What can move it is unscheduled: weekend thin-book liquidations (Friday already cleared $732M-$897M across the market, per news.bitcoin.com and Decrypt, with shorts taking the larger share), Friday's spot-ETF flow report landing into a tape that has seen heavy redemptions, and Iran/energy headlines, which have been the proximate driver of the whole inflation repricing. Thin weekend books cut both ways but historically amplify whichever direction gets going first.
(5) Strongest counter-argument: the hike is now near-fully priced, and Friday showed BTC rallying into rising hike odds rather than against them - which is the classic signature of a risk already discounted. Bank of America argued the core beat was driven by one-off items (cell-plan repricing, airfares, lodging) and is not informative about the trend; annual core at 2.4% supports that. Equities closed up more than 1% across the Nasdaq, S&P 500 and Dow on the same tape. If that reading holds over the weekend, the failed breakout is just weekend chop and a retest of $79,800-$80,000 into the FOMC is entirely plausible. My call is invalidated by a sustained hold above $79,000 with the prior high taken out, or by any dovish shift in Fed pricing; it is confirmed by a loss of $76,000 on weekend volume.
(6) Why 55%: two haircuts. First, my anchor is roughly seven hours stale relative to the window start, and BTC moved 5% inside a single session on Friday - the price at 02:14 UTC could reasonably sit anywhere from $76,000 to $79,000, which widens the real uncertainty around the band I named. Second, a Saturday with no scheduled catalyst is close to a random walk; the failed-breakout tell is real but thin, and I would not claim more than a modest tilt from it. 55% reflects a band I expect to contain price with a lean I hold loosely, not a conviction directional call.
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