The Trading Addict · Issue No. 61 · Tuesday August 18, 2026

Maria's Trade Watch
+ The SanDisk Question

Maria walks through a specific AMD $410 naked put — $1,015 credit, 60 DTE, effective basis near $400. Plus what Wall Street missed on SanDisk's $600 to $1,800 run. And why SPY's lifespan is tied to eleven strangers.

The Trading Addict Newsletter · by Maria Helmick
»  APPLY TO JOIN THE MATH MAKES MONEY TEAM  »
AI Robot Trading — Nick, Maria & Rob — Math Makes Money

Issue No. 61  •  Tuesday August 18, 2026

The Trading Addict Newsletter by Maria Helmick

Maria at desk pointing to AMD trade screen — Check Out the AMD Trade Below (tap to enlarge)

Tap the image to view full size

Maria's Trade Watch · AMD

AMD $410 Naked Put

Sell 1 AMD Oct. 16, 2026 $410 Put · AMD $506 · Credit $10.15 · Delta -0.14 · IV Rank 30.2 · 60 DTE

» Tap Either Screen to Open Full Size in a New Tab

AMD $410 Put — full trade screen (tap for full size in new tab)

Trade screen

AMD $410 Put — order ticket zoom (tap for full size in new tab)

Order ticket zoom

Max Profit

$1,015

Assignment Obligation

$41,000

Effective Basis

$399.85

For a Moderate Trader, the strike distance and premium provide a balanced setup. The $410 strike is about 19% below AMD's current price. At a $10.15 credit, the effective basis is $399.85, roughly 21% below the current price.

The credit is about 2.48% of the strike, placing it in the preferred 2%–3% range for a 30–60 DTE naked put.

The 14 delta keeps the strike conservative while still offering attractive premium. With a $9.25/$10.25 bid-ask spread, patience on the limit order is important to avoid giving up unnecessary premium.

No scheduled earnings event currently falls before this expiration. AMD reported Q2 earnings on Aug. 4, and its IR calendar currently shows no earnings event before Oct. 16.

This remains a naked put, so assignment near a $400 effective basis must be acceptable, along with the ability to manage the position and roll down and out if conditions warrant.

Maria's Bottom Line

The $1,015 premium is attractive, but the real strength is the opportunity to establish an effective AMD basis near $400.

Sources: Trade ticket screenshot; AMD Investor Relations, checked Aug. 17, 2026.

Not Subscribed Yet?

Sign up for the newsletter here

mathmakesmoney.com →

The Math Makes Money Team

APPLY TO JOIN THE TEAM

Sign up to be interviewed by Nick and Rob to see if you qualify.

Join the MMM Team Waitlist →
 

Maria's Bottom Line · Stock Focus · The Stock That Broke the Model

The $1,800 Question: What Did Wall Street Miss?

SanDisk was near $600 in March. Five months later, it was close to $1,800. The move looks absurd — until you see what happened to earnings.

Stock

3x

$600 → ~$1,800

Quarterly EPS

6x+

$6.20 → $39.25

Revenue

3x

$3.03B → $8.97B

Gross Margin

84.6%

from 51.1%

The answer in one sentence

SanDisk did not merely sell more memory. It charged dramatically more for memory that AI customers could not get anywhere else.

A shortage turned into a profit machine

AI data centers suddenly needed enormous amounts of fast flash storage. Supply could not keep up. By March, reports indicated SanDisk's 2026 NAND output was effectively sold out.

That gave SanDisk something rare in the memory business: pricing power. Roughly two-thirds of its latest sequential revenue increase came from higher prices, not higher unit volume.

The math is simple: if a product costs $40 to make, raising its price from $80 to $120 doubles gross profit from $40 to $80. That is how a 50% price increase can produce a far larger jump in earnings.

Wall Street was trapped in an old forecast

Analysts expected about $3.62 per share in February. SanDisk delivered $6.20. The next quarter reached $23.41. The latest quarter hit $39.25. Every report forced Wall Street to rebuild its estimates — and chase the stock higher.

» The Bull Case — and the Trap

Why investors decided this time was different

SanDisk stopped looking like a consumer-storage company and started looking like AI infrastructure. Data-center revenue climbed from $440 million to almost $3 billion in only two quarters.

What ChangedWhy It Matters
AI data-center demandA new, storage-hungry customer base
Long-term customer dealsAbout half of FY27 and two-thirds of FY28 output covered
$20B of announced buybacksManagement expects the cash to be real
~80% margin target through 2030Management says the old memory cycle is changing

What could break the story

The same fact that created the rally is also the risk: pricing. Memory shortages invite more production. More production eventually ends the shortage. If prices fall, SanDisk's margins could fall much faster than revenue.

The Bet at Today's Price

Near $600, investors were betting earnings would improve.

Near $1,800, they are betting that AI demand stays exceptional, customers honor long-term commitments, and a famously cyclical industry stops behaving cyclically.

Maria's Bottom Line

The move was not a meme. The earnings explosion was real, and investors who owned SanDisk near $600 caught one of the market's great repricings.

But I am not paying $1,800 for a story that now requires near-perfect execution. I would rather miss the last part of the rally than chase peak expectations.

My plan: wait for a broad market selloff or a genuine reset in memory stocks. If SanDisk reaches a price I am prepared to own, a cash-secured put may offer a lower effective entry — while still carrying assignment and downside risk.

The stock may keep running. It just does not need me to run after it.

Sources: Sandisk Q4 FY2026 results filed with the SEC; Sandisk 2026 Investor Day; Reuters, Aug. 13, 2026. Market price referenced as of Aug. 17, 2026.

» MARKET TIDBIT

Market Tidbit - The Eleven Lives Behind SPY - trust structure tied to 11 people born 1990-1993 (tap to enlarge)

Tap the tidbit to view full size

The Week Ahead

Earnings Calendar · Aug 17–21

Earnings Calendar Aug 17-21 2026 - compact view (tap to enlarge)

Tap the chart to view full size

» DAY 208 · MON AUG 17 · DAILY TRADING UPDATE

Daily Trading Update Day 208 - Mon Aug 17 2026 - $1M -$12,139, $30K +$420, $100K +$210, combined -$11,509

Tap the dashboard to see the full summary online

The Math Makes Money Show (tap to watch on YouTube)

» Tap to watch the live daily show at 9:15 AM and 3:15 PM ET Monday through Friday, and Sunday at 5:55 PM ET

Free Community

Join our Discord with over 1,000 like-minded traders who believe that math makes money when it comes to trading

Trade ideas, screenshots, daily banter. Zero cost.

Join the Discord →

MATH MAKES MONEY

Rob and Maria Helmick and Nick Battista · The Trading Addict Newsletter

MathMakesMoney.com

Educational only. Not investment advice. Trading options involves substantial risk. Past performance does not guarantee future results.