IV history

ATM implied volatility over time by tenor bucket — hourly captures from the live chain, extended a month back by reconstructing IV from historical mark prices (Black-Scholes inversion). The percentile shows where today's IV sits in that record.

BTC IV percentile · ~30 DTE

21%

mid-range · 2949 obs · incl. 2.2y reconstructed

IV z-score

-0.70σ

vs its own history

Historical average

38.7%

now 33.6%

Historical range

27.7–76.7%

low–high

~Weekly ATM IV (live)

32.7%

7d realized vol

35.1%

IV − RV (premium)

-2.4 pts

BTC ATM IV

2139 snapshots since 2026-06-22 · ~30 DTE IV percentile 21%

ETH IV percentile · ~30 DTE

37%

mid-range · 2575 obs · incl. 2.2y reconstructed

IV z-score

-0.42σ

vs its own history

Historical average

51.2%

now 48.0%

Historical range

38.7–86.3%

low–high

~Weekly ATM IV (live)

45.3%

7d realized vol

44.4%

IV − RV (premium)

+0.9 pts

ETH ATM IV

2139 snapshots since 2026-06-22 · ~30 DTE IV percentile 37%

Each point is the mean of call/put mark IV at the strike nearest spot, on the listed expiry closest to the 1 / 7 / 30-day target (blank when the chain lists nothing near a target). Collection started 21 Jul 2026 — the chart gets more useful every day.