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.

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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

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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.

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Input

Field	Type	Default	Description
etfTypes	string[]	["us-btc-spot","us-eth-spot","us-sol-spot"]	Which ETFs to track. Supported: us-btc-spot, us-eth-spot, us-sol-spot
lookbackDays	integer	30	Days of history to return (1–300)
sortBy	string	date_desc	date_desc, date_asc, abs_inflow_desc
alertOutflowUsd	integer	0	Alert when latest day's net outflow exceeds this $ amount. 0 = disabled
alertInflowUsd	integer	0	Alert when latest day's net inflow exceeds this $ amount. 0 = disabled
telegramBotToken	string (secret)	—	Telegram bot token for alerts
telegramChatId	string	—	Chat ID to receive alerts

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>"
}

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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
}

Field	Description
net_inflow_usd	Daily creation minus redemption value. Negative = net outflow
cum_net_inflow_usd	All-time cumulative net flow into the asset class
total_net_assets_usd	Total AUM across all ETFs in this category at end of day
value_traded_usd	Daily dollar volume across all ETFs in this category
aum_change_pct	Day-over-day AUM change (combines flows + price movement)

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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

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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>"
}

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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

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Related Actors

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

• Smart Money Wallet Tracker — Track 238 smart wallets to see early on-chain moves before ETF data updates.
• CEX Funding Rate Aggregator — Detect over-leveraged positioning across Binance/Bybit/OKX.
• Token Unlock Calendar — Track upcoming token unlocks before VC dumps.

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Feedback

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