---
title: "Trending | OKLO Decreases 4% on Tuesday, Some Put options Surges 96%"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/287003366.md"
description: "On May 19, Eastern Time, Oklo options saw a total of 65190 contracts traded, with calls accounting for 68% and puts making up 31%."
datetime: "2026-05-20T04:11:23.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/287003366.md)
  - [en](https://longbridge.com/en/news/287003366.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/287003366.md)
---

# Trending | OKLO Decreases 4% on Tuesday, Some Put options Surges 96%

On May 19, Eastern Time, Oklo options saw a total of 65190 contracts traded, with calls accounting for 68% and puts making up 31%.

Oklo has 592526 contracts outstanding, with calls accounting for 59% and puts making up 40%.

The top volume gainer was the 55 dollars Call option expiring on May 22, 2026, with 4728 contracts traded.

Please note: The chart below does not include options expiring within five days.

![image](https://assets.lbctrl.com/h5hub/optrank/images/2026-05-20/ST_US_OKLO_en.png)

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