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GET
/
v1
/
options
/
previous-day
Get Previous Day Option Data
curl --request GET \
  --url https://api.aries.com/v1/options/previous-day \
  --header 'Authorization: Bearer <token>'
{
  "ticker": "O:AAPL251219C00150000",
  "open": 13.5,
  "high": 15.25,
  "low": 13.2,
  "close": 13.75,
  "volume": 25430
}

Documentation Index

Fetch the complete documentation index at: https://finance.dev/llms.txt

Use this file to discover all available pages before exploring further.

Authorizations

​
Authorization
string
header
required

OAuth2 Bearer token: obtain an access token from the token endpoint and send it in the Authorization header.

Query Parameters

​
ticker
string
required

OCC option ticker symbol (e.g., O:AAPL251219C00150000)

Response

Successful response

​
ticker
string

OCC option ticker symbol

​
open
number

Opening price for the previous trading day

​
high
number

Highest price reached during the previous trading day

​
low
number

Lowest price reached during the previous trading day

​
close
number

Closing price for the previous trading day

​
volume
number

Total number of contracts traded during the previous trading day

​
volumeWeighted
number

Volume-weighted average price

​
timestamp
integer<int64>

Bar timestamp

​
transactionCount
integer<int64>

Number of transactions