Grayscale Bitcoin Mini Trust (BTC) to Bitcoin Calculator
Convert Grayscale Bitcoin Mini Trust (BTC) share prices, option strikes, and premiums to their Bitcoin equivalents using live market data.
FILED · 08-18
- Source
- Grayscale fund page — Bitcoin per Share
- As of
- 2026-08-18
- Snapshot refreshed
- 2026-08-19
At or below the filed maximum — a fee-only trust's ratio can only decline between filings.
Current BTC ↔ BTC Parity
Live market data for reference.
Based on the BTC BTC-per-share ratio, taken from Grayscale's published Bitcoin per Share, updated daily.
Options Break-Even Calculator
"What BTC price does this contract need?"
Enter the option premium from your brokerage to calculate break-even.
Common BTC Strikes → BTC Prices
Quick reference for standard strikes. Enter premium above for break-even calculation.
| BTC Strike | BTC for ITM | vs. Current BTC |
|---|---|---|
| $30.00 | $67,858 | — |
| $35.00 | $79,168 | — |
| $40.00 | $90,477 | — |
| $45.00 | $101,787 | — |
| $50.00● Current | $113,097 | — |
| $55.00 | $124,406 | — |
| $60.00 | $135,716 | — |
| $65.00 | $147,026 | — |
| $70.00 | $158,335 | — |
| $75.00 | $169,645 | — |
| $80.00 | $180,955 | — |
FAQ
What is the Grayscale Bitcoin Mini Trust?
BTC is a low-fee (0.15%) Bitcoin ETF that Grayscale spun off from GBTC in July 2024. Existing GBTC holders received BTC shares proportionally, giving them a cheaper alternative without forcing a taxable sale.
How does BTC compare to GBTC?
BTC charges 0.15% vs GBTC’s 1.50% — ten times less. Both are issued by Grayscale and use Coinbase Custody. BTC was created specifically to address GBTC’s high fee problem.
How do I convert BTC (Mini Trust) shares to Bitcoin?
Multiply your shares by the BTC-per-share ratio above. Don’t confuse the ticker “BTC” with Bitcoin itself — this is an ETF that holds Bitcoin, not Bitcoin directly.
What is BTC’s expense ratio?
0.15%, currently the lowest among all major spot Bitcoin ETFs.
View BTC daily prices and charts, read the BTC ETF fact sheet, or see the GBTC vs IBIT comparison. Convert IBIT shares and options with the IBIT to BTC calculator, or browse all Bitcoin ETF calculators.