· four exchange APIs · rebuilt daily
10 captured days, and what they say about where carry was cheapest.
Across 10 captured days the funding spread between venues averaged 0.0050 percentage points and reached 0.0085 at its widest. The venue that was cheapest to hold on a given day was not always the same one.
Cheapest venue by day: Bybit 4/8, OKX 3/8, Bitget 1/8. Bybit held that position most often.
Bitcoin ranged 77,086.00 to 81,312.40, finishing the period -0.89% from where it started.
Breadth — perpetuals clearing $5M of daily volume — ran between 51 and 85, averaging 75.
Sentiment averaged 69 on the Fear & Greed index, low of 63, high of 74.
| Date | BTC | Funding spread | Cheapest | Liquid | F&G |
|---|---|---|---|---|---|
| 2026-09-01 | 78,651.90 | 0.0000pp | — | 68 | 69 |
| 2026-09-02 | 77,379.10 | 0.0000pp | — | 79 | 63 |
| 2026-09-03 | 77,086.00 | 0.0042pp | bybit | 75 | 65 |
| 2026-09-04 | 81,312.40 | 0.0080pp | bitget | 85 | 74 |
| 2026-09-05 | 79,578.20 | 0.0019pp | bybit | 81 | 73 |
| 2026-09-06 | 79,869.40 | 0.0039pp | okx | 51 | 73 |
| 2026-09-07 | 80,169.00 | 0.0061pp | okx | 65 | 71 |
| 2026-09-08 | 79,027.50 | 0.0025pp | bybit | 75 | 69 |
| 2026-09-09 | 78,733.50 | 0.0051pp | okx | 85 | 66 |
| 2026-09-10 | 77,954.80 | 0.0085pp | bybit | 83 | 69 |