J-Star Holding Co., Ltd. Ordinary Shares (YMAT) Put/Call Volume History

Put/call volume ratio compares the number of put options traded to call options traded. Extreme readings can signal shifts in market sentiment relative to recent norms.

J-Star Holding Co., Ltd. Ordinary Shares (YMAT) operates in the Basic Materials sector, specifically the Chemicals - Specialty industry, with a market capitalization near $7.8M, listed on NASDAQ, employing roughly 65 people, carrying a beta of 1.19 to the broader market. J-Star Holding Co. Led by Jing-Bin Chiang, public since 2025-07-30.

Put/call volume history tracks trading activity and sentiment over time. No recent options activity for YMAT as of 2026-06-02; this typically reflects low options liquidity, a recently listed name, or a temporary data feed delay. Snapshot will refresh on the next active session.

Learn how options volume is reported and how to read the data →