SentimentFX/ETFs/ARKK
ETFs · ARKK

ARK Innovation ETF (ARKK) Sentiment Analysis

Live news sentiment for ARK Innovation ETF — high-growth, high-beta innovation ETF — sentiment closely tracks rate expectations. SentimentFX scores every ARKK headline with FinBERT and tracks how sentiment moves alongside price, updated hourly.

Avg sentiment (7d)
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Headlines (30d)
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Latest price
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Sentiment trend
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View live chart Get via API

What we track for ARKK

Every hour, SentimentFX collects the latest ARK Innovation ETF news from major financial publishers and RSS feeds, then scores each headline using FinBERT — a transformer model fine-tuned on financial text. The output is a sentiment score between -1 (very bearish) and +1 (very bullish), and we plot the daily average against ARKK price so you can see how news flow moves with the market.

ARK Innovation ETF is high-growth, high-beta innovation ETF — sentiment closely tracks rate expectations, which makes ARKK an especially useful ticker for sentiment-driven analysis. Our pipeline pulls from Yahoo Finance and other major financial newswires, deduplicates by URL, and only stores headlines whose title actually mentions ARKK or a recognised alias.

Sentiment vs price correlation

The dashboard plots ARKK sentiment against price on a single chart, with a rolling 180-day correlation analysis that reports Pearson r, p-value, a 95% confidence interval and a plain-English strength label (strong / weak / inconclusive). You can also pull the raw correlation via the public API endpoint /v1/correlation/ARKK.

Developer access

All ARKK sentiment, price and correlation data is available via the SentimentFX REST API. Generate a key on the developer portal, then call GET /v1/sentiment/ARKK with an X-API-Key header. Free tier included, metered billing beyond that.

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ARKK sentiment FAQ

How is ARKK sentiment calculated?
SentimentFX scrapes ARK Innovation ETF news headlines from major financial outlets every hour and scores each one with FinBERT, a finance-tuned transformer model. The score is the model's positive probability minus negative probability, giving a value between -1 (very bearish) and +1 (very bullish).
How often is ARKK sentiment data updated?
The scraper runs every hour, pulling new ARKK headlines from GNews and Yahoo Finance RSS feeds. New sentiment scores are usually live within 1–2 minutes of scrape completion.
Can I correlate ARKK sentiment with its price?
Yes — the SentimentFX dashboard plots ARKK sentiment against price on the same chart, and the correlation endpoint returns a Pearson r value, 95% confidence interval and strength label over a rolling 180-day window. You can also pull this via the public REST API at developers.sentimentfx.org.
Is ARKK sentiment data available via API?
Yes. The SentimentFX public API exposes /v1/sentiment/ARKK, /v1/summary/ARKK, /v1/prices/ARKK and /v1/correlation/ARKK endpoints. Authentication is via X-API-Key header. See the developer portal for full reference.