# Grayscale Bitcoin Mini Trust joins the spot ETF flows

September 2026 · Web app · API

The Grayscale Bitcoin Mini Trust (BTC) now has its own series on the spot Bitcoin ETF flow charts and counts in both flow totals from its 31 Jul 2024 launch. MSBT's flow series are now in the API.

## What's new

The Grayscale Bitcoin Mini Trust, ticker BTC, now appears as its own fund on Spot Bitcoin ETF Flows and Spot Bitcoin ETF Flows BTC, with its full history from its launch on 31 Jul 2024. The daily net flow totals, in US dollars and in bitcoin, now include it for every day since then.

Its flows are available through the Newhedge API as `btc_etf_spot_flows_usd` and `btc_etf_spot_flows_btc`. The Morgan Stanley Bitcoin Trust ETF (MSBT) flow series are now in the API as well, as `msbt_etf_spot_flows_usd` and `msbt_etf_spot_flows_btc`.

## Related

- [Spot Bitcoin ETF Flows](https://newhedge.io/bitcoin/spot-bitcoin-etf-flows)
- [Spot Bitcoin ETF Flows BTC](https://newhedge.io/bitcoin/spot-bitcoin-etf-flows-btc)
- [Spot Bitcoin ETF Total Net Flows](https://newhedge.io/bitcoin/spot-bitcoin-etf-total-net-flows)
- [Spot Bitcoin ETF Flows API documentation](https://docs.newhedge.io/api/spot-bitcoin-etf-flows)