---
title: "ATM Chains"
method: GET
path: "/api/stock/{ticker}/atm-chains"
---

# ATM Chains

`GET /api/stock/{ticker}/atm-chains`

Returns the ATM chains for the given expirations.

## Path parameters

- `ticker` string, required

## Query parameters

- `expirations` string[], required

## Response `200`

ATM chains data

- ATMChainsResponse
  - `data` ATMChainEntry[]
    - `ask_side_volume` integer
    - `avg_price` string
    - `bid_side_volume` integer
    - `chain_prev_close` string
    - `close` string
    - `cross_volume` integer
    - `er_time` 'unknown' | 'afterhours' | 'premarket'
    - `floor_volume` integer
    - `high` string
    - `last_fill` string, date-time
    - `low` string
    - `mid_volume` integer
    - `multileg_volume` integer
    - `next_earnings_date` string, date
    - `no_side_volume` integer
    - `open` string
    - `open_interest` integer
    - `option_symbol` string
    - `premium` string
    - `sector` 'Basic Materials' | 'Communication Services' | 'Consumer Cyclical' | 'Consumer Defensive' | 'Energy' | 'Financial Services' | 'Healthcare' | 'Industrials' | 'Real Estate' | 'Technology' | 'Utilities'
    - `stock_multi_leg_volume` integer
    - `stock_price` string
    - `sweep_volume` integer
    - `ticker_vol` integer
    - `total_ask_changes` integer
    - `total_bid_changes` integer
    - `trades` integer
    - `volume` integer

## Other responses

- `422` — Validation Error
- `500` — Server Error

---

[API](https://skmtc.net/the-unnatural-group--llc/apis/tradesignals-api.md) · [All operations](https://skmtc.net/the-unnatural-group--llc/apis/tradesignals-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/the-unnatural-group--llc/tradesignals-api/revisions/0b37cadfb125/schema)