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港股窩輪Jenny

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Observing US equity-linked warrants | Apple hits a new high, Netflix plunges sharply, but the biggest issue with existing single-stock products is the lack of choices

Among these 12 US stocks, price movements have varied significantly.

Apple rose to USD 333.74, nearing the intraday high of USD 334.99. Its RSI(9) climbed to 84—indicating strength but clearly overbought; Netflix plunged sharply in a single day, 7.26%, closing at USD 68.95 after dipping as low as USD 65.08, with its RSI(9) falling to around 22; Tesla, Nvidia, Meta, and Alphabet also posted declines of approximately 2% to 3%.

If we consider only the underlying stocks’ price action, the market appears to offer many directional opportunities. However, for US equity warrants listed in Hong Kong, the real constraint is this:Most stocks have only one call or put warrant available—not a selection among multiple terms, but rather a judgment on whether the sole available warrant is worth using.

Apple $Apple (AAPL.US)$ : The underlying stock is strongest, but its call warrant may not be suitable for chasing the price

Apple closed at $333.74, approaching the upper Bollinger Band at $338.35. Short-term momentum is strong, but RSI is already overbought.

The current call warrant has a strike price of $300, approximately 11% in-the-money：

– Expiry: October 2026

– Effective gearing: approximately 6.1x

– Delta: approximately 81%

– Implied volatility: approximately 32%

– Daily time decay: approximately 0.3%

– Premium: approximately 2.2%

These terms themselves are not bad. The warrant is sufficiently in-the-money and has a high delta, meaning it tracks Apple’s upside well—not relying on deep out-of-the-money positioning to achieve superficial leverage.

However, the issue lies with the underlying stock’s current position. Apple has risen continuously and is now approaching the upper Bollinger Band. Entering a call warrant at this stage means simultaneously facing the risk of a short-term pullback due to overbought conditions and a decline in implied volatility.

In contrast, Apple put warrants have a strike price of only $248, which is approximately out-of-the-money 26%：

– Effective leverage is approximately 11.6x

– Delta is only about 4%

– Daily time decay is approximately 4.4%

These products are not suitable for capturing typical technical pullbacks. Even if Apple’s share price drops from $334 to $320—a decline of about 4%—the put warrants may not respond well due to the strike price being too far out-of-the-money and the delta being too low.

Therefore, Apple's current warrant structure is very clear:Bullish investors have relatively mature in-the-money call warrants available; bearish investors, however, lack at-the-money put warrants.

Nvidia $NVIDIA (NVDA.US)$ : The underlying stock is consolidating around $200, but both call and put warrants are significantly out-of-the-money

Nvidia closed at $202.81, with the underlying stock fluctuating between $190 and $215, showing no clear short-term breakout yet.

Existing call warrants have a strike price of $275, which is approximately out-of-the-money by 37%：

– Effective leverage is approximately 5.9x

– Delta approximately 24%

– Implied volatility approximately 50%

– Daily time decay approximately 1.2%

– Premium approximately 41%

The main issue with these terms is not leverage, but that the strike price is too far out-of-the-money. Even if Nvidia rebounds from $203 to $215—a gain of about 6%—it would still be very far from the $275 strike price, making the product’s performance highly dependent on whether implied volatility rises concurrently.

There are two sets of put warrants:

– Strike price at $168, about 16.5% out-of-the-money, delta approximately 23%, effective gearing around 4.1x;

– Strike price at $130, about 35% out-of-the-money, delta only around 8.5%.

The $168 put warrant is relatively usable but still somewhat out-of-the-money. If investors only expect Nvidia to retest $190, the product may not be sensitive enough to price movements. The $130 put warrant is closer to an extreme downside instrument and is unsuitable for typical short-term bearish views.

Nvidia’s current warrant offerings aren’t directionless—they simply lack reasonably near-the-money terms on either side.

Tesla$Tesla (TSLA.US)$ The bearish terms are more comprehensive than the bullish ones, but the degree of being out-of-the-money still warrants attention.

Tesla closed at $380.84, down 2.61%, now trading below the Bollinger Bands middle band at $397.85 and gradually approaching the lower band at $368.85.

The existing call warrant has a strike price of $490, approximately 27%：

– Expiry: October 2026

– Effective leverage: approximately 8x

– Delta: approximately 21%

– Implied volatility: approximately 53%

– Daily time decay: approximately 2.5%

– Premium: nearly 30%

If one only expects Tesla to rebound from $380 to $400, this call warrant’s strike price is still too far out-of-the-money. The underlying stock would need a sharp rally for the product to benefit simultaneously from rising delta and implied volatility.

Put warrants are available with strike prices of $330 and $340, approximately 12% to 14% out-of-the-money：

– Effective gearing of approximately 3.5x

– Delta of approximately 57%

– Daily time decay of approximately 0.6%

– Expiry in December 2026

These put warrant terms are clearly more balanced. Although the gearing is not high, the delta exceeds 50%, meaning that if the underlying stock breaks below $377 and moves closer to the lower Bollinger Band at $369, the product will react more directly than the 27% out-of-the-money call warrant.

Therefore, Tesla is not simply bearish, but ratherThe current put warrant terms are significantly more usable than the call warrant terms.

Palantir$Palantir (PLTR.US)$ Put warrants are already in-the-money, while call warrants are deeply out-of-the-money

Palantir closed at $132.38, consolidating between $125 and $135 after rebounding from a recent low of $106.37.

Existing put warrants have a strike price of $140, approximately 6% in-the-money：

– Effective gearing of about 2.1x

– Delta of approximately 68%

– Daily time decay of about 0.3%

– Premium of approximately 14.5%

In-the-money put warrants exhibit higher directional sensitivity; if Palantir falls back below $125, the product will closely track the move. However, as the warrant is already in-the-money, its unit price is relatively high, resulting in naturally lower leverage.

Call warrants have a strike price as high as $200, approximately out-of-the-money 51%：

– Effective gearing of about 7.3x

– Delta is only about 13%

– Daily time value decay is approximately 3.3%

– Premium exceeds 53%

These terms are unsuitable for capturing typical rebounds. Even if the underlying stock rises from $132 back to $150, it remains far from the strike price, and the product's value would still consist mostly of time value.

Palantir’s current offerings are almost a one-sided market: bearish terms are relatively reasonable, while bullish products are excessively out-of-the-money.

Microsoft $Microsoft (MSFT.US)$ vs. Amazon $Amazon (AMZN.US)$ : Terms of the at-the-money warrant closest to 'normal'

Microsoft closed at $393.82, recently rebounding from $349 and now testing resistance around $400.

Its put warrant has a strike price of $390, only slightly out-of-the-money by about 1.5%：

– Effective leverage is approximately 6.2x

– Delta of approximately 42%

– Daily time value decay is approximately 1%

– Premium of approximately 8.3%

This is one of the more at-the-money put warrants currently available on individual stocks. If Microsoft breaks below $389–$390, the warrant will directly reflect the downward move; if the underlying stock rebounds above $400, the put warrant’s value will also drop rapidly—offering clear directional risk.

Microsoft call warrant with a strike price of $450, about 13.6% out-of-the-money, with an effective leverage of approximately 8.7x and a delta of around 31%. The terms are not extreme, but the underlying stock needs to break above $400 and continue rising for the warrant to gradually become more sensitive.

Amazon closed at $247.23, and there is currently a call warrant with a strike price of $245, roughly 0.8% in-the-money：

– Effective leverage of approximately 7.2x

– Delta of approximately 56%

– Daily time value decay is approximately 1%

– Premium of approximately 6.9%

This is one of the relatively at-the-money call warrants currently available on individual stocks. Amazon is now consolidating between $240 and $255; if it breaks above $250–$255 again, this near-the-money structure will more easily track the upward move.

By comparison, Amazon put warrants with a strike price of $180 are about 27% out-of-the-money and have a delta of only around 11%, making them clearly less suitable for typical pullback strategies.

Micron $Micron Technology (MU.US)$ vs. AMD $Advanced Micro Devices (AMD.US)$ : The underlying stock has high volatility, but the product's implied volatility is equally high

Micron closed at $848.95, down significantly from its recent high of $1,254.81, and is now approaching the lower Bollinger Band at $808.40, with a 9-day RSI of approximately 28.

Micron call warrants with a strike price of $700 are approximately 13% in-the-money：

– Effective gearing of about 2.5x

– Delta of approximately 71%

– Implied volatility of about 101%

– Daily time decay of approximately 0.5%

With in-the-money terms and a high delta, these warrants would normally be well-suited for capturing a rebound; however, implied volatility exceeding 100% indicates that very high volatility expectations are already priced into the product. Even if the underlying stock rebounds, a simultaneous decline in implied volatility could partially offset the warrant’s gains.

Micron put warrants with a strike price of $400 are about 50% out-of-the-money, with a delta of only around 8% and implied volatility exceeding 110%. These are not typical bearish instruments but rather extremely aggressive downside plays.

Existing AMD call warrants have a strike price of USD 700, approximately 47% out-of-the-money:

– Effective gearing of approximately 3.5x

– Delta of approximately 36%

– Implied volatility of approximately 84%

– Premium of approximately 57%

Even though AMD itself is highly volatile, being nearly 50% out-of-the-money combined with high implied volatility still makes this product relatively expensive. Investors bullish on an AMD rebound may not necessarily find this warrant effective in capturing upside.

Netflix $Netflix (NFLX.US)$ : The underlying stock plunged sharply, but the only available call warrant has lost its practicality

Netflix dropped sharply by 7.26% in a single day, hitting an intraday low of USD 65.08 and closing at USD 68.95, with its RSI falling into oversold territory.

However, the only available product is a call warrant with a strike price of USD 140, which is more than 100%out-of-the-money, and the quote field already shows 'N/A.'

This means that even if investors believe Netflix is oversold in the short term and due for a bounce, existing products may still lack sufficient liquidity and directional sensitivity. In such cases, the biggest risk isn't misjudging the underlying stock, but using an instrument that barely reflects changes in the underlying effectively.

We categorize the practical usability of single-stock products as follows:

Terms are relatively comprehensive

– Amazon call warrant: Near-the-money, with a delta of approximately 56%;

– Microsoft put warrant: Near-the-money, with reasonable directional sensitivity;

– Tesla put warrant: Approximately 12% to 14% out-of-the-money, with a longer time to expiry;

– Apple call warrantAlready in-the-money with high delta, but note that the underlying stock is overbought;

– Palantir put warrantAlready in-the-money with relatively high tracking ability.

Terms are too far out or implied volatility cost is too high

– Nvidia call warrant;

– Palantir call warrant;

– AMD call warrant;

– Tesla call warrant;

– Apple put warrant;

– Micron put warrant;

– Netflix call warrants.

A common issue with this batch of products is that their strike prices are too far from the underlying stock price, or their implied volatility and time value costs are too high.

While individual US stocks themselves are highly volatile, this does not necessarily mean deep out-of-the-money warrants will easily rise. The underlying stock’s price movement only determines direction; whether the product can convert that direction into actual returns still depends on moneyness, delta, implied volatility, and time remaining to expiry.

At this stage, choices for single-stock derivative products remain limited. Rather than first looking for the product with the highest leverage, we would instead ask:Can this strike price truly capture the segment of the underlying stock’s movement we anticipate?

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