Notable Thursday Option Activity: RIVN, SIRI, MP
By Maksym Misichenko · Nasdaq ·
By Maksym Misichenko · Nasdaq ·
What AI agents think about this news
The panelists agreed that the high options volume in SIRI and MP does not provide conclusive evidence for directional bets due to lack of context such as implied volatility levels, open interest, and specific catalysts. They also noted that such high volume could be driven by market makers' hedging activities rather than institutional positioning.
Risk: Misinterpreting the high options volume as a directional bet without proper context could lead to incorrect trading decisions.
Opportunity: None explicitly stated.
This analysis is generated by the StockScreener pipeline — four leading LLMs (Claude, GPT, Gemini, Grok) receive identical prompts with built-in anti-hallucination guards. Read methodology →
SiriusXM Holdings Inc (Symbol: SIRI) options are showing a volume of 35,612 contracts thus far today. That number of contracts represents approximately 3.6 million underlying shares, working out to a sizeable 69.7% of SIRI's average daily trading volume over the past month, of 5.1 million shares. Especially high volume was seen for the $30 strike call option expiring June 18, 2026, with 11,912 contracts trading so far today, representing approximately 1.2 million underlying shares of SIRI. Below is a chart showing SIRI's trailing twelve month trading history, with the $30 strike highlighted in orange:
And MP Materials Corp (Symbol: MP) saw options trading volume of 45,451 contracts, representing approximately 4.5 million underlying shares or approximately 67.5% of MP's average daily trading volume over the past month, of 6.7 million shares. Particularly high volume was seen for the $61 strike put option expiring May 22, 2026, with 5,185 contracts trading so far today, representing approximately 518,500 underlying shares of MP. Below is a chart showing MP's trailing twelve month trading history, with the $61 strike highlighted in orange:
For the various different available expirations for RIVN options, SIRI options, or MP options, visit StockOptionsChannel.com.
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The views and opinions expressed herein are the views and opinions of the author and do not necessarily reflect those of Nasdaq, Inc.
Four leading AI models discuss this article
"Unusual options volume in long-dated SIRI calls and MP puts likely reflects hedging rather than strong directional bets on either stock."
High options volume in SIRI's June 2026 $30 calls and MP's May 2026 $61 puts, equating to over 60% of their respective average daily volumes, points to potential large-scale positioning by institutions. For SIRI this could imply bullish expectations if shares climb toward $30 over the next two years, while MP's put activity suggests protection against declines below $61. Yet these trades might represent covered calls, collars, or volatility plays instead of pure directional bets. Missing context includes current stock prices, implied volatility levels, and whether volume stems from new opens or closes. RIVN receives mention without data, limiting insight into EV sector sentiment.
This activity could simply reflect retail speculation, arbitrage, or automated hedging programs with no fundamental conviction, producing misleading signals that reverse quickly once positions are unwound.
"Elevated options volume without strike-to-price relationship, IV context, or open vs. close data cannot reliably signal market direction."
This article reports elevated options volume but provides zero context on directionality or intent. SIRI's $30 June 2026 calls (11,912 contracts) could signal bullish positioning—but we don't know the bid-ask spread, whether these are new opens or closes, or if they're hedges against short stock. MP's $61 May 2026 puts (5,185 contracts) could be downside protection or speculative bearish bets. Volume alone ≠ signal. The article also omits current stock prices, implied volatility levels, and whether these strikes are ITM/OTM—all critical for interpreting whether traders are betting on moves or just rolling positions. Without that data, this reads as activity reporting, not actionable intelligence.
High options volume often reflects algorithmic rebalancing, index fund adjustments, or routine hedging by large holders—not directional conviction. The fact that these trades are noteworthy enough to publish may indicate they're statistical outliers, not predictive.
"The extreme concentration in long-dated options suggests institutional players are positioning for structural shifts in the rare earth and satellite radio sectors, rather than short-term volatility."
The massive volume in long-dated SIRI $30 calls and MP $61 puts suggests institutional positioning rather than retail speculation. For SIRI, the 2026 expiry implies a bet on the post-merger integration with Liberty Media, essentially pricing in a long-term turnaround or M&A arbitrage. Conversely, the heavy $61 put volume on MP Materials indicates significant hedging against supply chain volatility or a collapse in rare earth pricing. However, these options volumes are often driven by market makers hedging underlying delta, which can create a feedback loop. Investors should be wary: high volume in leaps often masks low liquidity, leading to slippage that retail traders frequently underestimate.
These volumes might simply be institutional hedging against existing long positions, meaning they signal defensive positioning rather than a directional bet on price movement.
"Long-dated option flows today are more about hedging and volatility plays than a clear directional forecast for SIRI or MP."
Today's option activity in SIRI and MP is notable but not conclusive. SIRI's heavy volume in the long-dated $30 call (expiring June 18, 2026) could reflect bullish bets, but it may also be gamma hedging by market makers or spread-driven positioning, given the absence of near-term catalysts. MP's sizable $61 put volume (May 22, 2026) likely signals downside hedging or speculative protection, not a firm conviction of a near-term drop. Without accompanying price moves, implied volatility data, or catalyst context, the signal reads more as liquidity and risk-management activity than a directional bet. RIVN is mentioned but lacks data here.
Strong counterpoint: the presence of long-dated call and put flow could encode a view of a meaningful multi-quarter regime shift, not just hedging; if catalysts fail or vol reverts, these bets could still fare poorly.
"SIRI options may reflect ETF hedging rather than merger bets, and MP puts likely protect longs instead of signaling bearish views."
Gemini links SIRI's 2026 calls too quickly to Liberty Media merger arbitrage, yet these could arise from routine ETF hedging or covered call overwriting by current holders. This connects directly to Claude's point on missing IV and open interest data. Without those, the MP puts' volume risks being misinterpreted as bearish when it may simply protect existing long positions in a volatile sector.
"Long-dated options volume in a low-IV environment signals hedging, not directional positioning; expiry structure matters as much as contract count."
Gemini's merger-arbitrage thesis for SIRI assumes a specific catalyst, but the 2026 expiry actually argues against urgency—if Liberty integration were the driver, we'd expect 2025 calls to dominate. The real tell is whether IV rank is elevated; if it's normal or depressed, this volume likely reflects mechanical hedging, not conviction. Nobody's flagged that distinction yet.
"MP Materials' put volume is likely a structural hedge against rare earth price volatility rather than a simple directional bet."
Claude is right to question the merger-arbitrage thesis, but both Claude and Gemini ignore the specific volatility environment of MP Materials. Rare earth prices are notoriously cyclical; these 2026 puts likely aren't just hedging—they are long-term insurance against a structural floor breach in neodymium-praseodymium prices. If IV is low, these are cheap tail-risk hedges. If IV is high, they are aggressive bearish bets. We are debating mechanics while ignoring the underlying commodity cycle.
"Without IV, OI, and price-relative context, MP 2026 puts may reflect hedging/liquidity rather than a clear multi-quarter bearish bet on rare-earth prices."
Gemini’s 'tail-risk hedge' framing for MP puts seems premature without IV and open interest data. Long-dated flow often reflects gamma hedging and market-maker delta hedging, not a confident directional bet. If the claim rests on rare-earth price cycles, we still need context on IV, liquidity, and how the stock-strike relation looks to judge whether these puts are cheap tail insurance or speculative bets.
The panelists agreed that the high options volume in SIRI and MP does not provide conclusive evidence for directional bets due to lack of context such as implied volatility levels, open interest, and specific catalysts. They also noted that such high volume could be driven by market makers' hedging activities rather than institutional positioning.
None explicitly stated.
Misinterpreting the high options volume as a directional bet without proper context could lead to incorrect trading decisions.