SOL IV smile, 2 Oct 2026 expiry
mark IV by delta · bid/ask IV as a band- Bybit mark IV
- Bid/ask IV
Every strike (21)
| Strike | OTM side | Bybit mark IV | Bid / ask IV | Delta |
|---|---|---|---|---|
| 108 | put | 69.2% | 69.9% / 113.2% | -0.03 |
| 110 | put | 69.1% | 68.1% / 69.0% | -0.05 |
| 112 | put | 69.3% | 67.5% / 68.7% | -0.09 |
| 113 | put | 69.5% | 68.5% / 68.9% | -0.12 |
| 114 | put | 69.7% | 68.7% / 69.5% | -0.15 |
| 116 | put | 70.3% | 67.9% / 70.8% | -0.23 |
| 117 | put | 70.7% | 70.9% / 73.5% | -0.28 |
| 118 | put | 71.2% | 71.1% / 71.9% | -0.33 |
| 119 | put | 71.7% | 71.0% / 72.8% | -0.38 |
| 120 | put | 72.2% | 71.4% / 72.3% | -0.43 |
| 121 | put | 73.0% | 72.1% / 72.8% | -0.48 |
| 122 | call | 72.2% | 72.0% / 72.8% | +0.47 |
| 123 | call | 73.5% | 72.9% / 74.1% | +0.42 |
| 124 | call | 74.7% | 73.9% / 75.1% | +0.37 |
| 125 | call | 75.3% | 75.0% / 75.8% | +0.33 |
| 126 | call | 76.0% | 75.9% / 77.0% | +0.29 |
| 128 | call | 77.5% | 78.3% / 78.9% | +0.22 |
| 130 | call | 79.0% | 79.4% / 81.3% | +0.16 |
| 132 | call | 80.5% | 82.9% / 83.4% | +0.12 |
| 135 | call | 82.9% | 83.7% / 86.4% | +0.07 |
| 140 | call | 86.8% | 63.6% / 102.1% | +0.03 |
SOL ATM IV term structure
at-the-money mark IV by days to expiry- Bybit
| Expiry (08:00 UTC) | Days | ATM IV | RR25 | Venues |
|---|---|---|---|---|
| 30 Sep 2026 | 0.8 | 72.3% | +9.7 | Bybit |
| 1 Oct 2026 | 1.8 | 73.7% | +1.7 | Bybit |
| 2 Oct 2026 | 2.8 | 72.9% | +6.3 | Bybit |
| 9 Oct 2026 | 9.8 | 60.9% | +4.2 | Bybit |
| 16 Oct 2026 | 17 | 51.4% | −0.1 | Bybit |
| 30 Oct 2026 | 31 | 56.9% | +2.4 | Bybit |
30-day ATM implied volatility
constant maturity, interpolated between expiries in total variance- 30-day ATM IV
30-day 25-delta risk reversal
vol points · negative = puts bidRR25 is the 25-delta call's implied vol minus the 25-delta put's: below zero traders pay up for downside protection, above zero for upside.
- 30-day RR25
30-day implied vs realized volatility
IV − RV now: −8.3 vol points- 30-day ATM IV
- 30-day realized vol
- IV − RV
How to read it. Mark IV is the implied volatility behind each exchange's option mark price. The smile uses the out-of-the-money option at each strike (puts below the forward, calls above); on the delta axis 0.25 is the 25-delta put, 0.5 at the money and 0.75 the 25-delta call. ATM IV is interpolated at the forward. The 30-day figures interpolate between the expiries either side of 30 days. Realized vol is the 30-day standard deviation of daily log returns of the Binance USDT perp, annualized with √365, as on the volatility screener.
Bybit options only, recorded from their public APIs every 5 minutes; not the whole crypto options market. Not financial advice.