02 · Options market read
What the volatility surface did.
3 of 6 headline tenors were comparable at both endpoints. The largest ATM IV move was 1W at -2.77 volatility points, to 56.37%.
RV observation windows
The 24-hour, seven-day and 30-day RV windows are assessed independently using observed one-minute index returns, annualised on a 365-day basis. Recorded minimums: at least 99.5% coverage over 24 hours, 99.5% coverage over seven days, 99.5% coverage over 30 days, with no gap longer than 60 minutes. Returns spanning gaps are excluded, not interpolated; unavailable windows remain unreported. The exact 24-hour spot return requires prices at both endpoints.
03 · Catalyst check
29 Sept 2026, 16:31 UTC to 30 Sept 2026, 16:30 UTCNo catalyst assigned.
No qualifying context was found in the monitored news sources for this reporting window.
04 · Detailed analysis
What changed across the SOL volatility surface.
At the 16:30 UTC cutoff, 1W ATM IV was 56.37%, 4.49 volatility points below seven-day realised volatility of 60.86%; 24-hour realised volatility was 65.84% and 30-day realised volatility was 58.34%.
Front-end ATM IV decreased, averaging -2.09 volatility points to 55.96% across 1W, 2W and 1M.
Long-dated ATM IV is unavailable because comparable observations were not present at both snapshots.
RR25 moved towards calls, averaging +0.64 volatility points to 2.57 volatility points across the three available headline tenors.
BF25 increased, averaging +0.25 volatility points to 3.63 volatility points across the three available headline tenors.
The largest standard-tenor ATM IV move was -2.77 volatility points at 1W, to 56.37%.
Universe roll: no additions; removed 30SEP26. Comparisons use common expiries only.