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Crypto ETF Flow Tracker

Track daily institutional flows into US-listed Bitcoin, Ethereum, and Solana spot ETFs. Spot smart-money rotation and supply-absorption trends. No API key required.

What It Does

Pulls daily net inflow/outflow data for all US-listed spot crypto ETFs (BlackRock IBIT, Fidelity FBTC, ARK ARKB, BlackRock ETHA, Fidelity FETH, etc.) — aggregated by issuer category. Use it to:

• Track BTC ETF accumulation trends (institutional flows are a leading indicator)
• Compare BTC vs ETH vs SOL flow strength to detect rotation
• Watch cumulative AUM growth across all issuers
• Alert when daily flows spike — large outflows often precede dumps; large inflows often precede rallies

Why ETF Flows Matter

Since the January 2024 SEC approval of US spot Bitcoin ETFs, institutional flow data has become the most reliable leading indicator for major moves:

• Sustained inflows ($500M+/day) often precede 5–15% rallies within a week
• Sustained outflows signal de-risking — historically aligned with multi-week drawdowns
• Rotation patterns (BTC outflows ↔ ETH inflows) reveal smart-money sector bets

This Actor gives you the raw daily series in a machine-readable format you can plug into your bot, dashboard, or alert pipeline.

Input

Example: Last 7 days, all ETFs

{
"etfTypes":["us-btc-spot","us-eth-spot","us-sol-spot"],
"lookbackDays":7,
"sortBy":"date_desc"
}

Example: Telegram alert on any BTC ETF day with > $1B outflow

{
"etfTypes":["us-btc-spot"],
"lookbackDays":1,
"alertOutflowUsd":1000000000,
"telegramBotToken":"<token>",
"telegramChatId":"<chat_id>"
}

Output

Each record is one daily aggregate per ETF type:

{
"etf_type":"us-btc-spot",
"date":"2026-06-01",
"net_inflow_usd":-483760871.60,
"value_traded_usd":2963023284.40,
"total_net_assets_usd":91160255779.37,
"cum_net_inflow_usd":55178763954.85,
"aum_change_pct":-3.20,
"is_inflow":false,
"is_outflow":true,
"row_index":299
}

Pricing

Pay-Per-Event (PPE):

• $0.001 per daily flow row returned

Examples:

• 30 days × 3 ETFs = 90 rows = $0.09
• Full 300 days × 3 ETFs = 900 rows = $0.90

Use Cases

Daily flow dashboard — Run every morning and pipe results into Notion/Sheets:

curl-X POST "https://api.apify.com/v2/acts/gochujang~crypto-etf-flow-tracker/runs?token=YOUR_TOKEN"\
-H"Content-Type: application/json"\
-d'{"lookbackDays": 30, "sortBy": "date_desc"}'

Outflow panic alert — Alert when BTC ETFs lose >$500M in a single day:

{
"etfTypes":["us-btc-spot"],
"lookbackDays":1,
"alertOutflowUsd":500000000,
"telegramBotToken":"<token>",
"telegramChatId":"<chat>"
}

Data Source

All data comes from SoSoValue — the industry-standard public ETF flow aggregator covering all approved US spot crypto ETFs. Data updates ~1 hour after US market close.

• No API key required
• No rate limits at single-actor scale
• Up to ~300 days of historical daily data per ETF type

Related Actors

Build a complete crypto edge with these actors from the same author:

• Polymarket Odds Tracker — Macro/event probability context for ETF approval/rate-cut predictions.
• Bitcoin Mempool Analytics — On-chain BTC activity that often precedes ETF flow changes.
• Smart Money Wallet Tracker — Track 238 smart wallets to see early on-chain moves.
• Token Unlock Calendar — Upcoming VC unlocks before dumps.

🎬 Live Sample Run

A real run of this actor with default-ish inputs, executed on 2026-06-10:

Try it now: pop any of the dataset URLs in your browser to see live output, or hit the API endpoints from your code.

Want to reproduce? Click Try Actor on the Apify Store page and use the input defaults shown above.

Feedback

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