---
title: "Trending | SLS Plummets 10% on Wednesday, Some Put options Surges 77%"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/291494774.md"
description: "On July 1, Eastern Time, Sellas Life Sciences options saw a total of 72713 contracts traded, with calls accounting for 70% and puts making up 29%."
datetime: "2026-07-02T04:25:15.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/291494774.md)
  - [en](https://longbridge.com/en/news/291494774.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/291494774.md)
---

# Trending | SLS Plummets 10% on Wednesday, Some Put options Surges 77%

On July 1, Eastern Time, Sellas Life Sciences options saw a total of 72713 contracts traded, with calls accounting for 70% and puts making up 29%.

Sellas Life Sciences has 829648 contracts outstanding, with calls accounting for 73% and puts making up 26%.

The top volume gainer was the 13 dollars Put option expiring on July 2, 2026, with 1483 contracts traded.

On the news front, Based on recent key news:

1\. June 30, SELLAS Life Sciences shares fell 7.77% due to the market's focus on the Phase 3 REGAL trial timeline for GPS in AML, which is closely tied to the stock's momentum. Benzinga Pro.

2\. June 29, SLS surged 24.70% following corporate-structure updates, including revised change-of-control and severance terms for senior leadership, which amplified speculation and engaged momentum traders. Benzinga Pro.

3\. June 29, SLS reached a year high of $7.40 as investors cheered its research collaboration with Jazz Pharmaceuticals, focusing on multispecific T-cell engager antibodies for gastrointestinal cancers. Benzinga Pro.Biotech sector sees increased volatility.

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

![image](https://assets.lbctrl.com/h5hub/optrank/images/2026-07-02/ST_US_SLS_en.png)

### Related Stocks

- [SLS.US](https://longbridge.com/en/quote/SLS.US.md)

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