Published daily report data
BTC 25-delta butterfly history.
25-delta butterfly levels and day to day changes are volatility points.
Monthly history
September 2026.
30 observations
| Date | Snapshot (UTC) | 1W BF25 / Δ | 2W BF25 / Δ | 1M BF25 / Δ | 3M BF25 / Δ | 6M BF25 / Δ | 9M BF25 / Δ | 1Y BF25 / Δ |
|---|---|---|---|---|---|---|---|---|
| 2026-09-30 | 1.85 vol pts+0.35 vol pts | 1.94 vol pts+0.44 vol pts | 2.12 vol pts+0.34 vol pts | 2.09 vol pts+0.08 vol pts | 2.22 vol pts+0.05 vol pts | 2.38 vol pts+0.09 vol pts | Unavailable | |
| 2026-09-29 | 1.52 vol pts+0.01 vol pts | 1.50 vol pts+0.01 vol pts | 1.85 vol pts+0.15 vol pts | 1.97 vol pts+0.04 vol pts | 2.19 vol pts+0.14 vol pts | 2.24 vol pts-0.04 vol pts | Unavailable | |
| 2026-09-28 | 1.74 vol pts-0.08 vol pts | 1.62 vol pts-0.11 vol pts | 1.75 vol pts-0.15 vol pts | 1.94 vol pts-0.21 vol pts | 2.05 vol pts-0.30 vol pts | 2.33 vol pts-0.21 vol pts | Unavailable | |
| 2026-09-27 | 1.80 vol pts+0.15 vol pts | 1.65 vol pts+0.01 vol pts | 1.67 vol pts-0.04 vol pts | 2.01 vol pts-0.08 vol pts | 2.24 vol pts-0.08 vol pts | 2.37 vol pts-0.08 vol pts | Unavailable | |
| 2026-09-26 | 1.64 vol pts-0.01 vol pts | 1.64 vol pts+0.04 vol pts | 1.71 vol pts+0.02 vol pts | 2.07 vol pts+0.03 vol pts | 2.33 vol pts+0.04 vol pts | 2.44 vol pts+0.04 vol pts | Unavailable | |
| 2026-09-25 | 1.65 vol pts-0.34 vol pts | 1.64 vol pts-0.18 vol pts | 1.71 vol pts-0.04 vol pts | 2.02 vol pts-0.02 vol pts | 2.27 vol pts+0.02 vol pts | 2.43 vol pts+0.14 vol pts | Unavailable | |
| 2026-09-24 | 1.96 vol pts-0.30 vol pts | 1.79 vol pts-0.22 vol pts | 1.77 vol pts-0.19 vol pts | 2.00 vol pts-0.19 vol pts | 2.22 vol pts-0.10 vol pts | 2.27 vol pts-0.11 vol pts | Unavailable | |
| 2026-09-23 | 2.15 vol pts+0.11 vol pts | 1.95 vol pts+0.13 vol pts | 1.99 vol pts+0.08 vol pts | 2.12 vol pts-0.02 vol pts | 2.34 vol pts-0.02 vol pts | 2.38 vol pts-0.09 vol pts | Unavailable | |
| 2026-09-22 | 1.96 vol pts-0.47 vol pts | 1.70 vol pts-0.79 vol pts | 1.91 vol pts-0.43 vol pts | 2.14 vol pts-0.26 vol pts | 2.37 vol pts-0.15 vol pts | 2.47 vol pts-0.07 vol pts | Unavailable | |
| 2026-09-21 | 2.22 vol pts+0.39 vol pts | 2.21 vol pts+0.46 vol pts | 2.18 vol pts+0.38 vol pts | 2.20 vol pts+0.17 vol pts | 2.48 vol pts+0.06 vol pts | 2.56 vol pts+0.07 vol pts | Unavailable | |
| 2026-09-20 | 1.81 vol pts-0.10 vol pts | 1.68 vol pts-0.14 vol pts | 1.77 vol pts-0.11 vol pts | 2.04 vol pts-0.09 vol pts | 2.41 vol pts-0.10 vol pts | 2.48 vol pts-0.09 vol pts | Unavailable | |
| 2026-09-19 | 2.07 vol pts+0.41 vol pts | 2.06 vol pts+0.45 vol pts | 1.90 vol pts+0.13 vol pts | 2.18 vol pts-0.04 vol pts | 2.52 vol pts-0.07 vol pts | 2.55 vol pts-0.08 vol pts | Unavailable | |
| 2026-09-18 | 1.78 vol pts+0.19 vol pts | 1.67 vol pts+0.18 vol pts | 1.83 vol pts+0.06 vol pts | 2.23 vol pts+0.10 vol pts | 2.54 vol pts+0.13 vol pts | 2.60 vol pts+0.10 vol pts | Unavailable | |
| 2026-09-17 | 1.60 vol pts-0.48 vol pts | 1.46 vol pts-0.80 vol pts | 1.80 vol pts-0.54 vol pts | 2.11 vol pts-0.21 vol pts | 2.40 vol pts-0.18 vol pts | 2.48 vol pts-0.07 vol pts | Unavailable | |
| 2026-09-16 | 2.10 vol pts-0.49 vol pts | 2.30 vol pts-0.11 vol pts | 2.37 vol pts-0.06 vol pts | 2.30 vol pts-0.06 vol pts | 2.55 vol pts+0.08 vol pts | 2.54 vol pts-0.06 vol pts | Unavailable | |
| 2026-09-15 | 2.31 vol pts+0.09 vol pts | 2.35 vol pts+0.15 vol pts | 2.36 vol pts+0.11 vol pts | 2.30 vol pts+0.03 vol pts | 2.64 vol pts+0.15 vol pts | 2.53 vol pts-0.01 vol pts | Unavailable | |
| 2026-09-14 | 2.15 vol pts+0.04 vol pts | 1.97 vol pts-0.18 vol pts | 2.10 vol pts-0.18 vol pts | 2.28 vol pts-0.05 vol pts | 2.51 vol pts-0.05 vol pts | 2.63 vol pts-0.07 vol pts | Unavailable | |
| 2026-09-13 | 2.11 vol pts+0.35 vol pts | 2.15 vol pts+0.27 vol pts | 2.28 vol pts+0.17 vol pts | 2.33 vol pts+0.06 vol pts | 2.56 vol pts-0.02 vol pts | 2.70 vol pts-0.02 vol pts | Unavailable | |
| 2026-09-12 | 1.77 vol pts-0.12 vol pts | 1.88 vol pts-0.07 vol pts | 2.11 vol pts+0.03 vol pts | 2.27 vol pts-0.07 vol pts | 2.58 vol pts+0.09 vol pts | 2.72 vol pts+0.06 vol pts | Unavailable | |
| 2026-09-11 | 1.89 vol pts-0.16 vol pts | 1.95 vol pts-0.11 vol pts | 2.08 vol pts-0.16 vol pts | 2.34 vol pts-0.06 vol pts | 2.49 vol pts-0.17 vol pts | 2.66 vol pts-0.12 vol pts | Unavailable | |
| 2026-09-10 | 2.05 vol pts-0.07 vol pts | 2.06 vol pts-0.02 vol pts | 2.24 vol pts-0.19 vol pts | 2.40 vol pts-0.18 vol pts | 2.66 vol pts-0.05 vol pts | 2.78 vol pts-0.06 vol pts | Unavailable | |
| 2026-09-09 | 2.12 vol pts+0.25 vol pts | 2.08 vol pts+0.17 vol pts | 2.43 vol pts+0.06 vol pts | 2.58 vol pts+0.20 vol pts | 2.71 vol pts0.00 vol pts | 2.84 vol pts-0.01 vol pts | Unavailable | |
| 2026-09-08 | 1.87 vol pts+0.20 vol pts | 1.91 vol pts+0.10 vol pts | 2.37 vol pts+0.22 vol pts | 2.38 vol pts-0.02 vol pts | 2.71 vol pts+0.15 vol pts | 2.85 vol pts+0.16 vol pts | Unavailable | |
| 2026-09-07 | 1.70 vol pts-0.12 vol pts | 1.84 vol pts-0.01 vol pts | 2.20 vol pts-0.01 vol pts | 2.36 vol pts-0.10 vol pts | 2.54 vol pts-0.13 vol pts | 2.69 vol pts-0.11 vol pts | Unavailable | |
| 2026-09-06 | 1.82 vol pts-0.04 vol pts | 1.85 vol pts-0.02 vol pts | 2.18 vol pts-0.04 vol pts | 2.45 vol pts+0.02 vol pts | 2.68 vol pts+0.12 vol pts | 2.80 vol pts0.00 vol pts | Unavailable | |
| 2026-09-05 | 1.76 vol pts+0.08 vol pts | 1.81 vol pts+0.03 vol pts | 2.13 vol pts0.00 vol pts | 2.42 vol pts+0.03 vol pts | 2.53 vol pts+0.01 vol pts | 2.78 vol pts+0.17 vol pts | Unavailable | |
| 2026-09-04 | 1.67 vol pts-0.58 vol pts | 1.80 vol pts-0.40 vol pts | 2.09 vol pts-0.21 vol pts | 2.35 vol pts-0.24 vol pts | 2.53 vol pts-0.16 vol pts | 2.69 vol pts-0.12 vol pts | Unavailable | |
| 2026-09-03 | 2.16 vol pts+0.22 vol pts | 2.27 vol pts+0.25 vol pts | 2.39 vol pts+0.10 vol pts | 2.57 vol pts+0.03 vol pts | 2.67 vol pts+0.05 vol pts | 2.83 vol pts+0.03 vol pts | 2.93 vol pts+0.01 vol pts | |
| 2026-09-02 | 1.92 vol pts+0.11 vol pts | 2.03 vol pts-0.01 vol pts | 2.29 vol pts-0.02 vol pts | 2.51 vol pts+0.10 vol pts | 2.61 vol pts-0.05 vol pts | 2.80 vol pts-0.09 vol pts | 2.91 vol pts-0.13 vol pts | |
| 2026-09-01 | 2.22 vol pts+0.36 vol pts | 2.36 vol pts+0.45 vol pts | 2.58 vol pts+0.38 vol pts | 2.32 vol pts+0.17 vol pts | 2.67 vol pts+0.13 vol pts | 2.83 vol pts+0.12 vol pts | 2.93 vol pts+0.12 vol pts |