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Original Derivasys market intelligence

Bitcoin & Crypto Options Volatility Reports

Follow daily and weekly changes in crypto options volatility and skew. Compare implied and realised volatility across Bitcoin, Ether, Solana and altcoins, or browse dated reports for historical observations.

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Major coins Daily · News context

Major-coin options shift further toward puts across Bitcoin, Ether and Solana

Bitcoin (BTC) 1W RR25 fell 1.65 volatility points; Ether (ETH) 1W RR25 fell 2.30 volatility points; Solana (SOL) 1W RR25 fell 2.88 volatility points between the October 23 and October 24 snapshots at 16:31 UTC. The coordinated skew shift favoured puts relative to calls across all three markets. Solana recorded the largest adjustment, while Ether retained the most negative 1W RR25. The accompanying rise in 1W ATM implied volatility was broad but uneven.

Average ATM Δ
+2.65 vol pts
Average RR25 Δ
-2.04 vol pts
Average BF25 Δ
+0.21 vol pts
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Major coins Daily · News context

Major-coin options reflect falling one-week implied volatility across Bitcoin, Ether and Solana

Bitcoin, Ether and Solana one-week ATM implied volatility fell together over the daily observation window: Bitcoin one-week ATM IV declined 1.87 volatility points to 31.03%, Ether one-week ATM IV declined 3.30 points to 45.27%, and Solana one-week ATM IV declined 3.98 points to 49.98%, according to Derivasys data. Solana recorded the largest reduction, while Bitcoin recorded the smallest. The common direction therefore came with unequal repricing, bringing the highest and lowest implied-volatility levels closer together without changing their ordering. ATM implied volatility measures volatility implied by prices of options near the current underlying price.

Average ATM Δ
-1.53 vol pts
Average RR25 Δ
+0.25 vol pts
Average BF25 Δ
-0.07 vol pts
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BTC Daily · News context

Bitcoin options accompany a 2.52% 24-hour spot-index gain

Bitcoin's spot index gained 2.52% over the 24-hour report window, according to Derivasys data. The advance accompanied a modest increase in average front-end implied volatility and a relative skew shift toward puts. Those observations describe different dimensions of the market: the underlying gained while relative put-side volatility strengthened against calls. At-the-money implied volatility measures volatility implied by prices of options near the current underlying price; its movement need not mirror the direction of spot.

Average ATM Δ
+0.17 vol pts
Average RR25 Δ
-0.17 vol pts
Average BF25 Δ
+0.10 vol pts
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SOL Daily · News context

Solana options shift from put-rich to call-rich weekly skew

Solana one-week call-minus-put RR25 rose 6.02 volatility points to +3.61 volatility points over the 24-hour observation window from October 20 to October 21, according to Derivasys data. Solana one-week RR25 stood at -2.41 volatility points at the opening snapshot. The sign crossing leaves call-side implied volatility above put-side implied volatility at the measured delta. RR25 compares those sides of the options market; it does not establish an absolute increase in call volatility. The absolute Solana one-week RR25 move reached the 100th percentile against 22 matching daily observations spanning September 22 to October 20. That comparison bounds the historical significance to this sample, while the accompanying decline in near-term ATM implied volatility distinguishes the skew reversal from a general rise in volatility.

Average ATM Δ
-0.68 vol pts
Average RR25 Δ
+4.07 vol pts
Average BF25 Δ
-0.40 vol pts
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ALTS Daily · No relevant catalyst identified

Altcoin options diverge as HYPE one-week implied volatility rises and TRX falls

HYPE versus TRX 1W ATM IV change dispersion was 7.74 volatility points over the 24-hour window ending October 21 at 16:31 UTC. HYPE's 1W ATM implied volatility rose 4.51 volatility points, while TRX's fell 3.23 volatility points, defining the endpoints across XRP, HYPE, AVAX and TRX. The opposing directions also extended to 2W and 1M options; no qualifying news establishes an explanation for the divergence.

Average ATM Δ
+1.39 vol pts
Average RR25 Δ
+2.32 vol pts
Average BF25 Δ
-0.05 vol pts
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ETH Daily · News context

Ether options see one-week implied volatility fall 0.57 points to 47.46%

Ether 1W ATM IV fell 0.57 volatility points to 47.46% against the prior daily cutoff. The October 20 snapshot showed a smaller decline in 1M ATM IV, steepening the short curve. One-week skew became less negative, although puts retained higher implied volatility than calls.

Average ATM Δ
-0.09 vol pts
Average RR25 Δ
+0.66 vol pts
Average BF25 Δ
-0.05 vol pts
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Load older reports · October 2026

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October 2026 128 reports
September 2026 158 reports
August 2026 47 reports
July 2026 34 reports
June 2026 30 reports
May 2026 31 reports
April 2026 9 reports

Market context

Surface moves, with the day’s headlines.

Daily reports from 18 July 2026 pair the measured surface change with a readable news briefing and links to the original collected stories. Earlier editions preserve surface analysis without retroactively implying news coverage.

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