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MyceliaSignal SOL/USD SVI (Solana Volatility Index)
x402
MyceliaSignal SOL/USD SVI (Solana Volatility Index) is a paid API for AI agents from api.myceliasignal.com, paid per call via x402, $0.05/call, status unknown (last checked 2026-10-22).
Returns the Solana (SOL/USD) implied volatility surface (SVI) as an Ed25519-signed attestation
Price / call$0.05
Success0%
StatusUnknown
How this service works
Solana SVI volatility surface parameters — stochastic vol interpolation for options model calibration — Ed25519 signed attestation
Output
Returns the Solana (SOL/USD) SVI (Stochastic Volatility Inspired) surface data, cryptographically signed with Ed25519 for tamper-proof attestation, enabling verification of data authenticity for options pricing and risk management applications.
Example use cases
Example prompt
“Pull the current SOL/USD implied volatility surface with the Ed25519 signed attestation — I need the SVI data for Solana right now for options pricing.”
Technical details
Endpoint
GEThttps://api.myceliasignal.com/oracle/svi/sol/usd?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a cryptographically attested, tamper-proof SOL/USD implied volatility surface for Solana options pricing, risk models, or on-chain verification. Prefer over unverified volatility feeds when auditability and data provenance matter. Part of the MyceliaSignal suite alongside BTC/ETH vol surfaces for multi-asset volatility analysis.
Side effects
- Payment failure: x402 payment of $0.05 USDC not processed, returns 402 status
- Data unavailability: SOL/USD market data temporarily unavailable
- Signature verification failure: Ed25519 attestation cannot be verified
- Rate limiting or network timeout on the API endpoint
- Stale data: volatility surface not recently updated
Input
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {}
}
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
{
"spot": 82.13967636,
"digest": "cde95f4406b93a4ae4b036e94b347f0fa211e75ef14bb7ec7ad5728e5f7fba8f",
"method": "SVI (Gatheral 2004)",
"pubkey": "7ab07fbe7d08cd16823e5eb0db0e21f3f38e9366d5fd00d14e95df0fb9b51a1a",
"signed": true,
"preview": false,
"summary": {
"rho": -0.199432,
"n_surfaces": 7,
"fit_quality": "good",
"nearest_dte": 1.1,
"nearest_expiry": "2026-05-31"
},
"currency": "SOL",
"surfaces": [
{
"T": 0.003,
"dte": 1.1,
"expiry": "2026-05-31",
"svi_params": {
"a": 0.001,
"b": 0.00892,
"m": -0.011559,
"rho": -0.199432,
"rmse": 0.000992,
"sigma": 0.054744,
"n_points": 17,
"fit_quality": "good",
"mean_iv_error": 23.46
},
"smooth_smile": [
{
"iv": 101.22,
"strike": 67.25,
"moneyness": -0.2
},
{
"iv": 97.78,
"strike": 68.61,
"moneyness": -0.18
},
{
"iv": 94.25,
"strike": 69.99,
"moneyness": -0.16
},
{
"iv": 90.63,
"strike": 71.41,
"moneyness": -0.14
},
{
"iv": 86.94,
"strike": 72.85,
"moneyness": -0.12
},
{
"iv": 83.21,
"strike": 74.32,
"moneyness": -0.1
},
{
"iv": 79.5,
"strike": 75.82,
"moneyness": -0.08
},
{
"iv": 75.97,
"strike": 77.36,
"moneyness": -0.06
},
{
"iv": 72.91,
"strike": 78.92,
"moneyness": -0.04
},
{
"iv": 70.79,
"strike": 80.51,
"moneyness": -0.02
},
{
"iv": 70.07,
"strike": 82.14,
"moneyness": 0
},
{
"iv": 70.75,
"strike": 83.8,
"moneyness": 0.02
},
{
"iv": 72.41,
"strike": 85.49,
"moneyness": 0.04
},
{
"iv": 74.61,
"strike": 87.22,
"moneyness": 0.06
},
{
"iv": 77.07,
"strike": 88.98,
"moneyness": 0.08
},
{
"iv": 79.64,
"strike": 90.78,
"moneyness": 0.1
},
{
"iv": 82.24,
"strike": 92.61,
"moneyness": 0.12
},
{
"iv": 84.84,
"strike": 94.48,
"moneyness": 0.14
},
{
"iv": 87.41,
"strike": 96.39,
"moneyness": 0.16
},
{
"iv": 89.94,
"strike": 98.34,
"moneyness": 0.18
},
{
"iv": 92.43,
"strike": 100.33,
"moneyness": 0.2
}
],
"n_market_points": 17
},
{
"T": 0.0057,
"dte": 2.1,
"expiry": "2026-06-01",
"svi_params": {
"a": 0.001,
"b": 0.01844,
"m": 0.004861,
"rho": -0.204823,
"rmse": 0.00031,
"sigma": 0.005556,
"n_points": 17,
"fit_quality": "good",
"mean_iv_error": 3.14
},
"smooth_smile": [
{
"iv": 98.27,
"strike": 67.25,
"moneyness": -0.2
},
{
"iv": 94.26,
"strike": 68.61,
"moneyness": -0.18
},
{
"iv": 90.07,
"strike": 69.99,
"moneyness": -0.16
},
{
"iv": 85.68,
"strike": 71.41,
"moneyness": -0.14
},
{
"iv": 81.04,
"strike": 72.85,
"moneyness": -0.12
},
{
"iv": 76.13,
"strike": 74.32,
"moneyness": -0.1
},
{
"iv": 70.88,
"strike": 75.82,
"moneyness": -0.08
},
{
"iv": 65.22,
"strike": 77.36,
"moneyness": -0.06
},
{
"iv": 59.02,
"strike": 78.92,
"moneyness": -0.04
},
{
"iv": 52.15,
"strike": 80.51,
"moneyness": -0.02
},
{
"iv": 44.81,
"strike": 82.14,
"moneyness": 0
},
{
"iv": 46.44,
"strike": 83.8,
"moneyness": 0.02
},
{
"iv": 51.47,
"strike": 85.49,
"moneyness": 0.04
},
{
"iv": 56.16,
"strike": 87.22,
"moneyness": 0.06
},
{
"iv": 60.52,
"strike": 88.98,
"moneyness": 0.08
},
{
"iv": 64.58,
"strike": 90.78,
"moneyness": 0.1
},
{
"iv": 68.41,
"strike": 92.61,
"moneyness": 0.12
},
{
"iv": 72.04,
"strike": 94.48,
"moneyness": 0.14
},
{
"iv": 75.49,
"strike": 96.39,
"moneyness": 0.16
},
{
"iv": 78.8,
"strike": 98.34,
"moneyness": 0.18
},
{
"iv": 81.97,
"strike": 100.33,
"moneyness": 0.2
}
],
"n_market_points": 17
},
{
"T": 0.0085,
"dte": 3.1,
"expiry": "2026-06-02",
"svi_params": {
"a": 0.001,
"b": 0.024116,
"m": 0.006851,
"rho": -0.204797,
"rmse": 0.000268,
"sigma": 0.013965,
"n_points": 11,
"fit_quality": "good",
"mean_iv_error": 2.1
},
"smooth_smile": [
{
"iv": 90.95,
"strike": 67.25,
"moneyness": -0.2
},
{
"iv": 87.12,
"strike": 68.61,
"moneyness": -0.18
},
{
"iv": 83.11,
"strike": 69.99,
"moneyness": -0.16
},
{
"iv": 78.89,
"strike": 71.41,
"moneyness": -0.14
},
{
"iv": 74.45,
"strike": 72.85,
"moneyness": -0.12
},
{
"iv": 69.73,
"strike": 74.32,
"moneyness": -0.1
},
{
"iv": 64.68,
"strike": 75.82,
"moneyness": -0.08
},
{
"iv": 59.23,
"strike": 77.36,
"moneyness": -0.06
},
{
"iv": 53.29,
"strike": 78.92,
"moneyness": -0.04
},
{
"iv": 46.84,
"strike": 80.51,
"moneyness": -0.02
},
{
"iv": 40.74,
"strike": 82.14,
"moneyness": 0
},
{
"iv": 40.58,
"strike": 83.8,
"moneyness": 0.02
},
{
"iv": 44.8,
"strike": 85.49,
"moneyness": 0.04
},
{
"iv": 49.3,
"strike": 87.22,
"moneyness": 0.06
},
{
"iv": 53.56,
"strike": 88.98,
"moneyness": 0.08
},
{
"iv": 57.55,
"strike": 90.78,
"moneyness": 0.1
},
{
"iv": 61.31,
"strike": 92.61,
"moneyness": 0.12
},
{
"iv": 64.87,
"strike": 94.48,
"moneyness": 0.14
},
{
"iv": 68.24,
"strike": 96.39,
"moneyness": 0.16
},
{
"iv": 71.46,
"strike": 98.34,
"moneyness": 0.18
},
{
"iv": 74.54,
"strike": 100.33,
"moneyness": 0.2
}
],
"n_market_points": 11
},
{
"T": 0.0167,
"dte": 6.1,
"expiry": "2026-06-05",
"svi_params": {
"a": 0.001,
"b": 0.048575,
"m": -0.100638,
"rho": -0.496864,
"rmse": 0.002839,
"sigma": 0.04259,
"n_points": 21,
"fit_quality": "fair",
"mean_iv_error": 9.42
},
"smooth_smile": [
{
"iv": 71.96,
"strike": 67.25,
"moneyness": -0.2
},
{
"iv": 66.07,
"strike": 68.61,
"moneyness": -0.18
},
{
"iv": 59.85,
"strike": 69.99,
"moneyness": -0.16
},
{
"iv": 53.43,
"strike": 71.41,
"moneyness": -0.14
},
{
"iv": 47.32,
"strike": 72.85,
"moneyness": -0.12
},
{
"iv": 42.76,
"strike": 74.32,
"moneyness": -0.1
},
{
"iv": 40.95,
"strike": 75.82,
"moneyness": -0.08
},
{
"iv": 41.52,
"strike": 77.36,
"moneyness": -0.06
},
{
"iv": 43.33,
"strike": 78.92,
"moneyness": -0.04
},
{
"iv": 45.67,
"strike": 80.51,
"moneyness": -0.02
},
{
"iv": 48.2,
"strike": 82.14,
"moneyness": 0
},
{
"iv": 50.76,
"strike": 83.8,
"moneyness": 0.02
},
{
"iv": 53.29,
"strike": 85.49,
"moneyness": 0.04
},
{
"iv": 55.78,
"strike": 87.22,
"moneyness": 0.06
},
{
"iv": 58.19,
"strike": 88.98,
"moneyness": 0.08
},
{
"iv": 60.54,
"strike": 90.78,
"moneyness": 0.1
},
{
"iv": 62.82,
"strike": 92.61,
"moneyness": 0.12
},
{
"iv": 65.03,
"strike": 94.48,
"moneyness": 0.14
},
{
"iv": 67.18,
"strike": 96.39,
"moneyness": 0.16
},
{
"iv": 69.28,
"strike": 98.34,
"moneyness": 0.18
},
{
"iv": 71.31,
"strike": 100.33,
"moneyness": 0.2
}
],
"n_market_points": 21
},
{
"T": 0.0359,
"dte": 13.1,
"expiry": "2026-06-12",
"svi_params": {
"a": 0.001,
"b": 0.058476,
"m": -0.109899,
"rho": -0.57301,
"rmse": 0.001944,
"sigma": 0.147177,
"n_points": 19,
"fit_quality": "fair",
"mean_iv_error": 3.09
},
"smooth_smile": [
{
"iv": 62.72,
"strike": 67.25,
"moneyness": -0.2
},
{
"iv": 59.93,
"strike": 68.61,
"moneyness": -0.18
},
{
"iv": 57.29,
"strike": 69.99,
"moneyness": -0.16
},
{
"iv": 54.86,
"strike": 71.41,
"moneyness": -0.14
},
{
"iv": 52.71,
"strike": 72.85,
"moneyness": -0.12
},
{
"iv": 50.91,
"strike": 74.32,
"moneyness": -0.1
},
{
"iv": 49.48,
"strike": 75.82,
"moneyness": -0.08
},
{
"iv": 48.44,
"strike": 77.36,
"moneyness": -0.06
},
{
"iv": 47.77,
"strike": 78.92,
"moneyness": -0.04
},
{
"iv": 47.44,
"strike": 80.51,
"moneyness": -0.02
},
{
"iv": 47.4,
"strike": 82.14,
"moneyness": 0
},
{
"iv": 47.6,
"strike": 83.8,
"moneyness": 0.02
},
{
"iv": 47.99,
"strike": 85.49,
"moneyness": 0.04
},
{
"iv": 48.54,
"strike": 87.22,
"moneyness": 0.06
},
{
"iv": 49.21,
"strike": 88.98,
"moneyness": 0.08
},
{
"iv": 49.98,
"strike": 90.78,
"moneyness": 0.1
},
{
"iv": 50.81,
"strike": 92.61,
"moneyness": 0.12
},
{
"iv": 51.7,
"strike": 94.48,
"moneyness": 0.14
},
{
"iv": 52.63,
"strike": 96.39,
"moneyness": 0.16
},
{
"iv": 53.58,
"strike": 98.34,
"moneyness": 0.18
},
{
"iv": 54.56,
"strike": 100.33,
"moneyness": 0.2
}
],
"n_market_points": 19
},
{
"T": 0.055,
"dte": 20.1,
"expiry": "2026-06-19",
"svi_params": {
"a": 0.002473,
"b": 0.053619,
"m": -0.052024,
"rho": -0.211046,
"rmse": 0.000692,
"sigma": 0.206601,
"n_points": 13,
"fit_quality": "good",
"mean_iv_error": 0.84
},
"smooth_smile": [
{
"iv": 56.83,
"strike": 67.25,
"moneyness": -0.2
},
{
"iv": 55.5,
"strike": 68.61,
"moneyness": -0.18
},
{
"iv": 54.25,
"strike": 69.99,
"moneyness": -0.16
},
{
"iv": 53.09,
"strike": 71.41,
"moneyness": -0.14
},
{
"iv": 52.04,
"strike": 72.85,
"moneyness": -0.12
},
{
"iv": 51.13,
"strike": 74.32,
"moneyness": -0.1
},
{
"iv": 50.38,
"strike": 75.82,
"moneyness": -0.08
},
{
"iv": 49.8,
"strike": 77.36,
"moneyness": -0.06
},
{
"iv": 49.41,
"strike": 78.92,
"moneyness": -0.04
},
{
"iv": 49.2,
"strike": 80.51,
"moneyness": -0.02
},
{
"iv": 49.18,
"strike": 82.14,
"moneyness": 0
},
{
"iv": 49.33,
"strike": 83.8,
"moneyness": 0.02
},
{
"iv": 49.64,
"strike": 85.49,
"moneyness": 0.04
},
{
"iv": 50.09,
"strike": 87.22,
"moneyness": 0.06
},
{
"iv": 50.66,
"strike": 88.98,
"moneyness": 0.08
},
{
"iv": 51.34,
"strike": 90.78,
"moneyness": 0.1
},
{
"iv": 52.11,
"strike": 92.61,
"moneyness": 0.12
},
{
"iv": 52.94,
"strike": 94.48,
"moneyness": 0.14
},
{
"iv": 53.83,
"strike": 96.39,
"moneyness": 0.16
},
{
"iv": 54.77,
"strike": 98.34,
"moneyness": 0.18
},
{
"iv": 55.73,
"strike": 100.33,
"moneyness": 0.2
}
],
"n_market_points": 13
},
{
"T": 0.0742,
"dte": 27.1,
"expiry": "2026-06-26",
"svi_params": {
"a": 0.001,
"b": 0.104604,
"m": -0.093082,
"rho": -0.288327,
"rmse": 0.003531,
"sigma": 0.132302,
"n_points": 29,
"fit_quality": "fair",
"mean_iv_error": 2.76
},
"smooth_smile": [
{
"iv": 54.48,
"strike": 67.25,
"moneyness": -0.2
},
{
"iv": 52.15,
"strike": 68.61,
"moneyness": -0.18
},
{
"iv": 49.97,
"strike": 69.99,
"moneyness": -0.16
},
{
"iv": 48.01,
"strike": 71.41,
"moneyness": -0.14
},
{
"iv": 46.34,
"strike": 72.85,
"moneyness": -0.12
},
{
"iv": 45.06,
"strike": 74.32,
"moneyness": -0.1
},
{
"iv": 44.23,
"strike": 75.82,
"moneyness": -0.08
},
{
"iv": 43.85,
"strike": 77.36,
"moneyness": -0.06
},
{
"iv": 43.92,
"strike": 78.92,
"moneyness": -0.04
},
{
"iv": 44.37,
"strike": 80.51,
"moneyness": -0.02
},
{
"iv": 45.13,
"strike": 82.14,
"moneyness": 0
},
{
"iv": 46.14,
"strike": 83.8,
"moneyness": 0.02
},
{
"iv": 47.32,
"strike": 85.49,
"moneyness": 0.04
},
{
"iv": 48.63,
"strike": 87.22,
"moneyness": 0.06
},
{
"iv": 50.03,
"strike": 88.98,
"moneyness": 0.08
},
{
"iv": 51.48,
"strike": 90.78,
"moneyness": 0.1
},
{
"iv": 52.96,
"strike": 92.61,
"moneyness": 0.12
},
{
"iv": 54.46,
"strike": 94.48,
"moneyness": 0.14
},
{
"iv": 55.97,
"strike": 96.39,
"moneyness": 0.16
},
{
"iv": 57.47,
"strike": 98.34,
"moneyness": 0.18
},
{
"iv": 58.97,
"strike": 100.33,
"moneyness": 0.2
}
],
"n_market_points": 29
}
],
"canonical": "v1|SVI|SOL|spot|82.13967636|surfaces|7|rho|-0.199432|quality|good|1780115428|647254",
"exchanges": {
"okx": {
"count": 0,
"source": "native"
},
"bybit": {
"count": 276,
"source": "native"
},
"deribit": {
"count": 0,
"source": "computed"
}
},
"signature": "06bef35b2b32d1c32bfb918fc3aed7ac998e4b056e37c9bbed5f5724bdd066f22225bffb8aee6d39a7e38f92dceade48ba84019153b2caf43ad169e6ac2aed04",
"timestamp": "2026-05-30T04:30:28.504486+00:00",
"scipy_available": true,
"total_instruments": 276
}Tags
x402
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