Bitmex Perpetual Basis Ratio
Bitcoin
This measures the basis ratio (basis relative to spot) of BitMEX perpetual Bitcoin contracts.
Why it matters
It tracks positioning and pricing dynamics on a major derivatives venue.
How it is built
The basis ratio (basis relative to spot) of BitMEX perpetual contracts is recorded over time.
What to watch
Perpetual basis and open value reveal leverage bias and speculative appetite in the derivatives market.
Measured on this chain
Bitmex Perpetual Basis Ratio on Bitcoin last read -0.04638 on Aug 23, 2026, a change of +24.78% over 30 days, ranging from -0.09097 (Feb 6, 2026) to 0.08222 (Dec 5, 2024).
- Latest reading
- -0.04638
- Aug 23, 2026
- Change
- 1d +15.19%
- 30d +24.78%
- 90d +25.46%
- 1y -472.78%
- Range
- Low -0.09097·Feb 6, 2026
- High 0.08222·Dec 5, 2024
- Coverage
- Jul 19, 2024 — Aug 23, 2026
- 766 readings
| Date | Value |
|---|---|
| Aug 12, 2026 | -0.06465 |
| Aug 13, 2026 | -0.05598 |
| Aug 14, 2026 | -0.06911 |
| Aug 15, 2026 | -0.07287 |
| Aug 16, 2026 | -0.06974 |
| Aug 17, 2026 | -0.07221 |
| Aug 18, 2026 | -0.07629 |
| Aug 19, 2026 | -0.08085 |
| Aug 20, 2026 | -0.07675 |
| Aug 21, 2026 | -0.06254 |
| Aug 22, 2026 | -0.05469 |
| Aug 23, 2026 | -0.04638 |
Read from our own stored series, not quoted from a page.