---
title: "Changes to Historical chain NBBO series for one ticker + expiration + right (on-demand materialization)"
method: GET
path: "/v1/options/chain-history/{ticker}"
---

# Changes to Historical chain NBBO series for one ticker + expiration + right (on-demand materialization)

`GET /v1/options/chain-history/{ticker}`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 6 revisions.

- **2026-09-23** `5f6ba5c8e653`: 3 info

## Changes

- **2026-09-23** `5f6ba5c8e653`: 3 info
  - for the `query` request parameter `expiration`, the type was generalized from no type to `string`, and format from no format to `date`
  - for the `query` request parameter `from`, the type was generalized from no type to `string`, and format from no format to `date`
  - for the `query` request parameter `to`, the type was generalized from no type to `string`, and format from no format to `date`

---

[Operation](https://skmtc.dev/yehangshe/apis/gex-heatmap-data-api/docs/v1/options/chain-history/:ticker/get.md) - [API](https://skmtc.dev/yehangshe/apis/gex-heatmap-data-api.md) - [Page](https://skmtc.dev/yehangshe/apis/gex-heatmap-data-api/changes/v1/options/chain-history/:ticker/get)