Unusual Options Activity

RIO Unusual Options Activity - Rio Tinto

Last active day: October 1, 2026
Active days (30d): 11
Biggest recent print: Call $100.0000 · $566K

AI summary

On October 1, 2026, Rio Tinto Plc (RIO) experienced notable options activity with a significant call print. A single call option was executed, specifically a RIO Call with a strike price of $100.00, expiring on December 18, 2026. This transaction had a premium of $566,402 and demonstrated a volume-to-open interest ratio of 2.0, indicating a relatively active trading interest compared to existing positions. There were no put options traded during this session, highlighting a clear preference for calls among participants. Over the past 30 days, RIO has seen options activity on 11 days, suggesting a moderate level of engagement in the options market for this stock. The absence of put trades on this day further emphasizes the bullish sentiment reflected in the call activity.

AI-generated summary

RIO was last active on October 1, 2026.

Prints on October 1, 2026

Ticker	Side	Strike	Expiry	Vol/OI	Premium	IV	New
RIO	Call	$100.0000	12/18/26 (79d)	2.0×	$566K	35%

History

2026-10-011 prints$566K calls$0K puts
2026-09-301 prints$566K calls$0K puts
2026-09-291 prints$0K calls$102K puts
2026-09-281 prints$0K calls$102K puts
2026-09-241 prints$288K calls$0K puts
2026-09-231 prints$288K calls$0K puts
2026-09-181 prints$0K calls$126K puts
2026-09-171 prints$0K calls$126K puts
2026-09-161 prints$0K calls$167K puts
2026-09-152 prints$97K calls$167K puts
2026-09-141 prints$97K calls$0K puts
2026-08-1415 prints$127.7M calls$0K puts
2026-08-1315 prints$127.7M calls$0K puts
2026-08-061 prints$0K calls$339K puts
2026-08-051 prints$0K calls$339K puts
2026-08-041 prints$0K calls$130K puts
2026-08-031 prints$0K calls$130K puts
2026-07-221 prints$0K calls$256K puts
2026-07-211 prints$0K calls$256K puts
2026-07-131 prints$52K calls$0K puts

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