This is ForecastNest’s 1 day forecast for BTC, created 2026-09-17 14:15 UTC. The window closed 2026-09-18 14:15 UTC, when BTC closed at $80256.50, up 4.4% from $76857.30 when the forecast was made. It traded between $76186.88 and $80480.83 along the way (-0.9% to +4.7%).
Prediction window: Continuous elapsed hours / calendar days; crypto trades 24/7.
Prediction time: 2026-09-17 14:15 UTC (9/17/2026, 10:15:11 AM EDT).
Valid until: 2026-09-18 14:15 UTC (9/18/2026, 10:15:11 AM 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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4 of the 5 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-5.6 Sol | $74800.00–$79000.00 | -2.1% to +3.4% | 58% | $76372.00 | 78.0 | right |
| Claude Opus 5 | $74600.00–$78950.00 | -2.5% to +3.2% | 55% | $76500.00 | 76.8 | right |
| Muse Spark 1.1 | $75000.00–$78500.00 | -2.3% to +2.3% | 54% | $76766.00 | 47.8 | no call |
| DeepSeek V3 | $74800.00–$78000.00 | -2.0% to +2.2% | 58% | $76300.00 | 73.2 | right |
| Gemini 1.5 Pro | $74500.00–$78500.00 | -3.0% to +2.2% | 65% | $76790.00 | 11.4 | wrong |
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 2026-09-17 14:15 UTC. Only settled directional calls count toward accuracy.
| Model | Asked | Still open | No call | Called up | Called down | Right |
|---|---|---|---|---|---|---|
| GPT-5.6 Sol | 4 | — | 3 | 1 · 1 right | — | 100% (1/1) |
| Muse Spark 1.1 | 10 | — | 2 | 1 · 1 right | 7 · 5 right | 75% (6/8) |
| Gemini 1.5 Pro | 10 | — | 2 | 2 · 2 right | 6 · 4 right | 75% (6/8) |
| Claude Opus 5 | 7 | — | 1 | 1 · 1 right | 5 · 3 right | 67% (4/6) |
| Grok 4.5 | 7 | — | 4 | 2 · 1 right | 1 · 1 right | 67% (2/3) |
| GPT-6 | 6 | — | 2 | — | 4 · 2 right | 50% (2/4) |
| DeepSeek V3 | 10 | — | 3 | 4 · 2 right | 3 · 1 right | 43% (3/7) |
| Kimi | 2 | — | 1 | — | 1 · 0 right | 0% (0/1) |
Every published BTC forecast over 1 day before this question was asked, on 2026-09-17 14:15 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-5.6 Sol
Result: right
View full reasoning
(1) What I found: CoinDesk's live market page showed BTC at approximately $76,371.78 immediately after the 2026-09-17 14:15 UTC baseline, after Bitcoin had traded as high as $76,621 earlier Thursday. CoinDesk reported BTC up about 0.9% over 24 hours and noted that 94 of 100 CoinDesk 100 constituents were higher, indicating a broad crypto rebound rather than an isolated Bitcoin move. Source: [https://www.coindesk.com/markets/2026/09/17/crypto-rallies-through-the-fed-s-first-rate-increase-since-2023
(2)](https://www.coindesk.com/markets/2026/09/17/crypto-rallies-through-the-fed-s-first-rate-increase-since-2023
%282%29) Market regime: The immediate regime is a relief/risk-on rebound inside a still-fragile broader downtrend. The Federal Reserve raised its target range by 25 basis points to 3.75%-4.00%, but its projections implied only one additional 25-basis-point increase, which markets interpreted less negatively than feared. Nasdaq futures and other risk assets strengthened while the two-year Treasury yield eased slightly. At the same time, Bitcoin remains roughly 7% below its September monthly high and about 40% below its October 2025 peak, so I do not interpret the current bounce as a confirmed longer-term trend reversal. Sources: [https://www.coindesk.com/markets/2026/09/17/crypto-rallies-through-the-fed-s-first-rate-increase-since-2023](https://www.coindesk.com/markets/2026/09/17/crypto-rallies-through-the-fed-s-first-rate-increase-since-2023) and [https://www.reuters.com/world/china/global-markets-global-markets-2026-09-17/
(3)](https://www.reuters.com/world/china/global-markets-global-markets-2026-09-17/
%283%29) Price range: I use $74,800-$79,000 for the next 24 hours. The lower bound sits near the recent September 15-16 lows around $74,900, while the upper bound allows a retest of the $78,000-$79,000 area that repeatedly traded earlier in September. CoinGecko shows recent daily closes mostly between about $75,600 and $79,700, while September 15 alone ranged from roughly $74,888 to $78,270 on composite data. The range therefore allows roughly $1,600 downside and $2,600 upside from my $76,372 reference, intentionally giving somewhat more room above because short-term momentum is currently positive. Sources: [https://www.coingecko.com/en/coins/bitcoin/historical_data](https://www.coingecko.com/en/coins/bitcoin/historical_data) and [https://chartexchange.com/symbol/crypto-btcusd/historical/
(4)](https://chartexchange.com/symbol/crypto-btcusd/historical/
%284%29) Catalysts inside the window: The dominant catalyst is continued digestion of the Fed's first rate increase in more than three years and whether Treasury yields, the dollar and equities sustain Thursday's calmer reaction. U.S. jobless claims unexpectedly fell to 196,000, reinforcing the view that the labor market remains resilient and potentially limiting enthusiasm for easier monetary policy. Crypto-specific flows are a counterweight: CoinDesk reported U.S. spot Bitcoin ETFs lost about $296 million on September 16 after approximately $450 million of outflows the prior day, taking cumulative outflows since September 8 above $1 billion. Sources: [https://www.reuters.com/business/us-weekly-jobless-claims-unexpectedly-fall-2026-09-17/](https://www.reuters.com/business/us-weekly-jobless-claims-unexpectedly-fall-2026-09-17/) and [https://www.coindesk.com/markets/2026/09/17/crypto-rallies-through-the-fed-s-first-rate-increase-since-2023
(5)](https://www.coindesk.com/markets/2026/09/17/crypto-rallies-through-the-fed-s-first-rate-increase-since-2023
%285%29) Strongest counter-argument: The bearish case is that Thursday's rebound is only a relief rally after a widely anticipated Fed hike while institutional demand is actually weakening. Persistent ETF redemptions, a strong dollar, Treasury yields near 5%, and renewed inflation pressure from energy could pull BTC back below $75,000. Conversely, a sustained move above roughly $78,500-$79,000 accompanied by improving ETF flows would materially weaken my cautious medium-term view, while a break below the recent $74,900 area would invalidate the mild one-day bullish bias and suggest the rebound has failed. Sources: [https://www.coindesk.com/markets/2026/09/17/bitcoin-faces-2022-parallels-as-federal-reserve-resumes-rate-hikes](https://www.coindesk.com/markets/2026/09/17/bitcoin-faces-2022-parallels-as-federal-reserve-resumes-rate-hikes) and [https://www.thestreet.com/crypto/markets/bitcoin-etfs-post-worst-day-since-june-as-clarity-stalls
(6)](https://www.thestreet.com/crypto/markets/bitcoin-etfs-post-worst-day-since-june-as-clarity-stalls
%286%29) Confidence: 58% reflects a modest short-term edge rather than a strong directional signal. Price breadth, easing immediate Fed anxiety and the rebound in risk assets support MILD BULLISH over the next day, but persistent ETF outflows and a newly restrictive monetary-policy regime argue against high conviction. Bitcoin's recent daily volatility is large enough that ordinary noise can overwhelm the macro thesis over a single 24-hour window, so the 1-day call is only mildly bullish while the 7-day signal remains neutral and the 30-day signal mildly bearish.
Claude Opus 5
Result: right
View full reasoning
(1) What I found, and where: BTC opened Thursday at $76,143.81, up 0.7% on Wednesday's open, and was moving higher by 7:23 a.m. ET (Yahoo Finance data carried at byteseu.com/2373821/). DailyCoin reports consolidation near $76,450 as of 17 September at 9:06 GMT (dailycoin.com/bitcoin-price-76-7k-federal-reserve-interest-rates). FXStreet had it around $76,000 to $76,200 at 03:56 GMT, noting BTC sits above its 50-, 100- and 200-day EMAs at roughly $73,695, $71,495 and $73,237 (fxstreet.com). Cointelegraph quoted $76,663, up 1.35% over 24 hours, and TradingPedia $76,117. I anchor at $76,500. My freshest source predates the 14:15 UTC baseline by roughly three hours, so data_access is 'partial'.
(2) Market regime: I am changing my read this session, and I want to be explicit that I have been leaning the wrong way. BTC absorbed both binary events without breaking. The FOMC raised rates 25 basis points to 3.75%-4.00% unanimously with a hawkish dot plot, 16 of 18 officials seeing at least one more hike this year and a median near 4.1%, and Warsh said he was hard-pressed to call financial conditions restrictive. BTC fell toward $75,000 in the first 30 minutes and then recovered. TradingKey attributes the rebound to short covering and the clearing of negative catalysts, with the CLARITY Act defeat now known rather than pending, and notes oil retreating, which eases the inflation channel that has been driving yields all week. Structurally, BTC holds monthly gains of 21.2%, so what I have been describing as a downtrend is better read as consolidation after a large August advance, and price sits above all three major EMAs.
(3) Price range: anchored at $76,500 with a modest upside skew, the first time this week I have tilted that way. Post-event volatility typically contracts once the uncertainty premium is released, so I am using a daily sigma near 2.3% rather than the event-day 2.8%, giving about -2.5% to +3.2%, or $74,600 to $78,950. The levels doing the work: $75,000 is the line the market defended immediately after the announcement and which usethebitcoin identifies as the critical short-term floor; $76,700 is Glassnode's True Market Mean, below which BTC closed on 15 September, with a second daily close below needed to confirm a genuine range breakdown, so reclaiming it is the near-term test; $78,000 to $80,000 remains the supply zone that capped every rally this month.
(4) Catalysts inside the window: light, which favours the drift continuing. The FOMC is done, the Senate vote is done, and no US macro release of consequence lands before the window closes at 14:15 UTC Friday. Thursday's jobless claims and Philadelphia Fed survey printed at 8:30 ET, before the baseline. The Bank of Japan decision overnight is the main scheduled external risk, and it matters here because the global long end has been the transmission channel all week. Spot ETF flow data is the other mover: usethebitcoin notes renewed outflows, and a reversal or continuation of that will show up inside the window.
(5) Strongest counter-argument: the relief may be mechanical rather than fundamental. TradingKey itself attributes the move to short covering, which exhausts itself, and the macro path got worse, not better, with no cuts projected in 2027 and inflation not back to 2% until 2029. The dollar index popped 0.6% to 100.21, its highest since 31 July, which is a direct headwind for a non-yielding asset, and BTC is still below the $76.7K on-chain level rather than above it. A second daily close beneath that would confirm the breakdown Glassnode describes, and a loss of $75,000 would invalidate my lean outright. A sustained move above $76,700 with positive ETF flow would confirm it.
(6) Why 55%: modest, and the modesty is deliberate. The evidence genuinely shifted this session, and I would rather update than defend a stale bearish lean out of consistency. What holds the number down is that the constructive case rests on a short-covering bounce and on the absence of catalysts rather than on new buying, while the macro projections that emerged yesterday are worse than what was priced going in. A small upside skew at 55% describes a change of view I hold loosely, not a conviction.
Muse Spark 1.1
Result: no call
View full reasoning
(1) What you found, and where: Finnhub Binance shows Current Price $76,766.86 Open $75,441.78 High $77,179.47 Low $75,064.82 Previous Close $75,441.77 Change +1325.09 +1.7564% Sep 17. Convex reports Bitcoin $76,396.9 as of Sep 17 2026 live. CoinDesk Sep 17 reports price dipped to $76,700 then erased loss trading at $77,400 after UMich sentiment, CPI and Fed hike odds moving to 90%. Cambridge Currencies Sep 16 confirmed Fed voted 12-0 to raise to 3.75%-4.00% at 2pm ET Sep 16.
(2) The current market regime as you read it: Rebound post-hike. 5-day -0.82% per Finnhub, 1-month +23.11% 6-month +6.66% YTD -12.58% 1-year -32.67% still downtrend but bouncing from $75,064 low to $77,179 high intraday. BTC as highest-beta macro asset per Convex correlates loosely with tech and inversely with real yields. Risk appetite improving after hike realized, oil easing helps.
(3) Price range justification, with the levels and volatility you are using: Anchored to $76,766 Finnhub and $76,396 Convex. Using day range $75,064-$77,179 and $76,700-$77,400 Coindesk post-news. ATR ~2% ~$1500. Lower $75,000 near open $75,441 and -2.3% downside if profit taking, upper $78,500 near +2.3% captures extension above $77,179 high toward $78.4k if ETF flows positive. Slight upside skew due to +1.75% momentum post-Fed.
(4) Scheduled or likely catalysts inside the window: Window Sep 17 14:15 UTC 24h covers post-FOMC digestion and UMich consumer sentiment plunge while inflation outlook soars per CoinDesk Sep 17. Next focus October Fed meeting per CoinDesk, no crypto-specific events. Warsh comments after hike key.
(5) The strongest counter-argument, and what would invalidate your call: Bear case: hawkish Warsh guiding more tightening and 90% hike odds could push BTC back to $75,064 low if real yields rise. Bull case: dovish hold narrative and SpaceX Nasdaq 100 weight buying $12.4B passive per CoinDesk could squeeze to $78.5k+. Invalidation: close below $74,500 or above $79,000 would negate mild bullish.
(6) Why your confidence is the number it is: Confidence 54% reflects live price $76,766 dated Sep 17 after window start with corroborating $76,396 Convex and $77,400 Coindesk same day, but Fed Day aftermath still noisy with UMich sentiment. Labeling live because quotes are same-day after baseline.
DeepSeek V3
Result: right
View full reasoning
(1) What I found: Bitcoin is trading near $76,300 as of September 17, 2026, 14:15 UTC, according to Yahoo Finance (BTC-USD opened at $76,143.81 and moved to $76,264.91 by 7:23 a.m. ET), KuCoin ($76,199.7, +0.73%), and Edgen ($76,362 at 08:02 UTC). The 24-hour range spans roughly $74,913 to $77,209, a swing of approximately $2,300. The 10-year Treasury yield eased from a high of 5.05% to around 5% after the Fed decision, while Brent crude pulled back from $108 to approximately $105 (KuCoin, September 17). The Fear & Greed Index stands at 50, down from 51 the previous day.
(2) Market regime: Bitcoin is in a post-capitulation consolidation phase after absorbing two major negative catalysts. On September 15, the Senate rejected the CLARITY Act in a 49-50 procedural vote, falling 11 votes short of the 60 required for cloture (World Journal, September 17). On September 16, the Fed raised rates by 25bp to 3.75%-4.00%, its first hike in three years, and the dot plot showed 16 of 18 officials expect at least one more hike this year (KuCoin, September 17). Despite these headwinds, BTC held the $75,000 support level and rebounded above $76,000. The market appears to have priced in both negatives in advance: prediction-market odds on the CLARITY Act had already halved from 34% to 17% before the vote, and the Fed hike was 92.9% priced. The current regime is one of exhausted selling pressure rather than fresh buying momentum.
(3) Price range: I am using the $75,000 platform as the critical support floor and the $76,800-$77,000 liquidity cluster as the first major resistance, with a second cluster at $77,500-$78,000 (CoinGlass liquidation heatmap via Edgen, September 17). The 4-hour MACD histogram has turned marginally positive at 23.88, though the MACD line remains below zero at -353.28, signalling that selling pressure is easing but not yet reversed (Edgen, September 17). The 4-hour Supertrend remains bearish at $78,596.72. With a mild bullish tilt, I skew the range modestly upward: $74,800 captures a decisive break below $75,000 support, while $78,000 represents a push through the liquidity cluster if ETF outflows stabilize. The range is roughly symmetric around the current price because the evidence does not support a strong directional call.
(4) Catalysts: No major scheduled events fall inside the 24-hour window. The dominant catalyst is post-Fed digestion, with the market assessing whether the September hike is a one-time recalibration or the start of a hiking cycle. ETF flows remain the key daily variable: U.S. spot Bitcoin ETFs recorded $450.33 million in net outflows on September 15 and $296 million on September 16, totalling roughly $746 million over two sessions (Benzinga, KuCoin). The market-implied probability of another 25bp hike in October is now close to 50% (KuCoin). Any unexpected Fed speaker commentary or geopolitical headlines could shift sentiment.
(5) Counter-argument: The strongest bearish case is that the hawkish dot plot and continued ETF outflows will eventually overwhelm the $75,000 support. If BTC breaks below $74,800 with a 4-hour close, the next targets are the 200-day EMA at $73,088 and the 100-day at $71,351 (Investing.com, September 16). Conversely, the bullish case is that the market has fully priced both negatives, on-chain data shows leverage has been flushed, and a "sell-the-rumor, buy-the-news" rebound could push BTC toward $78,000-$80,000. The invalidation level for my mildly bullish tilt is a clean break below $75,000.
(6) Confidence: 58% reflects genuine two-sided risk. The macro direction is clearly negative (hawkish Fed, failed legislation, persistent ETF outflows), but BTC has demonstrated resilience by holding $75,000 and rebounding. The 4-hour MACD histogram turning positive is a tentative bullish signal, but the MACD line and Supertrend remain bearish. The Fear & Greed Index at 50 is neutral, offering no directional conviction. A single day is a short window and crypto frequently mean-reverts after sharp multi-session declines. I lean mildly bullish but have kept the range close to symmetric to reflect the absence of a strong directional edge.
Gemini 1.5 Pro
Result: wrong
View full reasoning
(1) Data sources: I retrieved live market data showing Bitcoin trading near $76,790 as of 14:15 UTC on September 17, 2026. I also reviewed post-FOMC coverage from the Financial Times and The Economic Times regarding the Fed's 25-basis-point rate hike yesterday.
(2) Market regime: The market is adjusting to a newly hawkish macroeconomic regime. Yesterday, the Federal Reserve under Chair Kevin Warsh delivered its first rate hike since 2023, raising the federal funds rate by 25 basis points and signaling a "higher-for-longer" approach to combat sticky inflation. Concurrently, the failure of the CLARITY Act in the Senate has weighed heavily on the crypto space, though BTC is currently attempting to stabilize from its resulting washout below $75,000.
(3) Price range justification: I project a 24-hour range of $74,500-$78,500. After testing local lows near $75,000 during the regulatory and rate-hike shock, Bitcoin is exhibiting a relief bounce. Immediate support has fortified around the $74,500 to $75,000 zone. However, strong resistance sits between $77,500 and $78,500, capping near-term upside as higher bond yields suppress risk appetite.
(4) Scheduled catalysts inside the window: Over the next 24 hours, market action will primarily be driven by the continued digestion of the Fed's hawkish dot plot projections (which foresee another hike in 2026) and institutional repositioning in response to the US 10-year Treasury yield testing 5%.
(5) The strongest counter-argument: The strongest counter-argument to a tight consolidation is that markets may view the rate hike as a localized peak in Fed hawkishness. If institutional dip-buyers conclude that the worst regulatory and monetary news is now priced in, a sudden surge in volume could force a short squeeze above the $78,500 resistance.
(6) Confidence: My confidence is 65%. While Bitcoin's bounce off $75,000 provides clear technical parameters, the confluence of a failed crypto bill and a surprise tightening cycle creates a fragile environment where sharp, sentiment-driven whipsaws remain highly probable.
Read this comparison on ForecastNest, where it stays up to date if a score is ever recomputed.
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