When: Pullback to $900-920 zone with RS vs SPY holding

Then: High-conviction add at validated $911.52 structural floor; stop $895

HOLD - maintain existing exposure without adding at current levels; starter position defensible as tactical trade only

• MACD histogram has rolled over from plus 6.68 to plus 0.69, indicating decaying momentum rather than stored energy
• Price has held range but no follow-through above 969; each day without breakout weakens bull case
• PEG of 4.6 means market pays $4.60 per dollar of expected growth with no room for upside surprises
• SCAN partnership optionality worth $30-$50/share claim is speculative valuation not reflected in consensus
• Average Costco household income skews well above US median, limiting trade-down capture ceiling
• 48x earnings multiple demands perfection; cannot simultaneously claim cyclical upside and defensive valuation
• Capitalizing membership fees at 20x double-counts income already reflected in P/E
• Tariff litigation dismissed as working capital event ignores plaintiffs' bar argument that primary legal defense has evaporated
• 906 stop is 1.5% below current price while ATR is 17.88; gap-down through stop is likely if breakout fails
• Today's volume of 1.22 million shares is below recent average, insufficient for breakout confirmation
• 988 target is prior swing high, not fundamental valuation; same technical level has failed before
• Inventory building from $18.1 billion to $19.4 billion signals potential demand deceleration
• Operating margin stable at 3.67% with 48x multiple entirely dependent on continued revenue growth
• 11.6% top-line growth deceleration to 8-9% would trigger multiple compression
• Dividend yield of 0.61% provides no income cushion against 20% multiple compression scenario

→ vs aggressive: Coiled spring thesis claims asymmetric risk-reward but MACD histogram decay (+6.68 to +0.69) suggests downside resolution probability equals or exceeds upside; rising 50 SMA converging with flat 200 SMA can precede bearish continuation

→ vs aggressive: SCAN partnership does not change valuation at PEG 4.6; market already pricing optionality and demand for perfection leaves no upside cushion; historical adjacency failures (Travel, Mortgage, Auto) demonstrate execution risk is real

→ vs aggressive: Trade-down thesis has ceiling because Costco cannot capture shoppers who cannot afford membership fee; cannot simultaneously claim cyclical upside and defensive valuation at 48x multiple

→ vs aggressive: Capitalizing membership fees at 20x is double-counting; market already reflects this in 48x P/E vs 25x P/E baseline; this is intellectual gymnastics, not investment analysis

→ vs aggressive: Tariff litigation is actively deteriorating per CFO Dive reporting; plaintiffs' bar argues primary legal defense has evaporated; class action covers period when duties were collected and refunded, potentially admitting improper collection

→ vs aggressive: 1:5 risk-reward calculation ignores that 906 stop is within daily ATR of 17.88 and gap-down is likely on breakout failure; 988 target is technical anchor, not fundamental value; this is symmetric risk-reward with favorable scenario cherry-picked

HOLD (refined) – maintain existing positions but do not initiate or add at current levels; wait for pullback to 920-906 zone with 50 SMA support holding, or confirmation above 969 on above-average volume

• Membership fee capitalization at 20x is double-counting cash flows already reflected in earnings – Costco trading at 48x earnings reflects market already valuing those fees
• Trade-down consumer thesis conflates volume tailwinds with multiple expansion tailwinds – these work in opposite directions in 'higher for longer' environment
• Coiled spring is symmetric by definition; calling it asymmetric in favor of a long position is position bias, not analysis
• SCAN Medicare partnership is structurally different from prior failed adjacencies (Travel, Mortgage, Auto) – it's a partnership with proven economics, not a Costco-built vertical
• Technical setup is ambiguous, not bearish – 50 SMA at 946 is rising and acting as support; price at 956 above the 50 SMA indicates range-bound, not deteriorating
• Inventory growth of ~7% over three quarters vs. revenue growth of 11.6% year-over-year is a positive turn signal, not a concern
• Dividend yield of 0.61% is not the relevant risk cushion for a compounder – fortress balance sheet and 29% ROE are
• PEG of 4.6 reflects continued compounder status with optionality, not market pricing in SCAN success
• Probability distribution: ~40% meaningful upside, ~35% downside, ~25% range-bound chop over next quarter – not a conviction setup in either direction

→ vs aggressive: Membership fee capitalization at 20x is double-counting – market already values those fees in the 48x earnings multiple

→ vs aggressive: Trade-down thesis conflates volume benefits with defensive multiple support – these work opposite in 'higher for longer' environment

→ vs aggressive: Coiled spring is symmetric by definition; calling it asymmetric is position bias, not analysis; 1.22M shares today is below average

→ vs aggressive: Scale-in trigger levels too aggressive – don't scale into a coiled spring until the spring breaks

→ vs conservative: SCAN partnership dismissal too clean – prior failures were operationally distinct; SCAN has higher probability of success

→ vs conservative: Technical reading too pessimistic – 50 SMA at 946 is rising support; price holding the range at 956 is ambiguous, not bearish

→ vs conservative: Inventory concern overstated – 7% inventory growth vs 11.6% revenue growth means inventory growing slower than sales

→ vs conservative: Dividend yield argument weak – Costco is a compounder, not an income stock; 0.61% yield isn't supposed to cushion downside

→ vs conservative: Full conviction requirement too rigid – don't need entire overhang resolved to start building a position

→ vs conservative: 880-900 zone probably too patient given support structure at 946