US Spot ETF Balances — The most recent holdings of the leading U.S.-listed spot
US Spot ETF Balances — The most recent holdings of the leading U.S.-listed spot Crypto ETFs, typically reflecting balances at the end of the previous trading day (T+1). Covers major Bitcoin ETFs (e.g. IBIT, GBTC, FBTC, ARKB, BITB) and Ethereum ETFs (e.g. ETHA, ETHE, FETH, ETHV, QETH) from issuers such as BlackRock, Grayscale, Fidelity, Bitwise, and VanEck. Data by Glassnode.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
317 msmedian answer time
$0.05listed price per call
$0.05price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://x402.glassnode.com/v1/metrics/institutions/us_spot_etf_balances_all
| Category | Market data |
|---|---|
| Provider host | x402.glassnode.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.05 | 317 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"a": "BTC",
"i": "24h"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"a": {
"description": "Asset symbol, e.g. BTC, ETH",
"enum": [
"AVAX",
"BNB",
"BTC",
"DOGE",
"DOT",
"ETH",
"HBAR",
"HYPE",
"LINK",
"LTC",
"SOL",
"SUI",
"XAG",
"XAU",
"XRP"
],
"type": "string"
},
"c": {
"description": "Currency for denominated values, e.g. usd, native",
"enum": [
"native",
"usd"
],
"type": "string"
},
"f": {
"description": "Response format: json or csv",
"enum": [
"csv",
"json"
],
"type": "string"
},
"i": {
"description": "Time interval / resolution, e.g. 24h, 1w, 1month",
"enum": [
"1month",
"1w",
"24h"
],
"type": "string"
}
},
"required": [
"a"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"items": {
"properties": {
"o": {
"type": "object"
},
"t": {
"type": "number"
}
},
"type": "object"
},
"type": "array"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}