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GET
Replay per-strike heatmap at a past instant (one or more symbols)

Authorizations

Authorization
string
header
required

Skylit API key in the Authorization header (Authorization: Bearer <key>). X-API-Key is also accepted.

Query Parameters

symbols
string
required

One ticker, or a comma-separated list for a single cross-asset call (e.g. SPY or SPY,SPX,QQQ). Each is returned as an element of data.symbols.

Example:

"SPY,SPX,QQQ"

at
string<date-time>
required

RFC3339 instant to replay (e.g. 2026-03-05T10:01:00Z). Up to 365 days back.

metric
enum<string>
default:gamma

Which Greek exposure to return per strike.

Available options:
gamma,
vanna
maxStrikes
integer
default:92

Maximum number of strikes around spot to return.

Required range: 1 <= x <= 400

Response

Historical heatmap snapshot(s).

data
object
required
meta
object
required