ProxiTrades Research
MIDAS engine · generated 2026-07-13T17:15Z
Single-name note · COST
Price as of None close

Costco Wholesale Corporation (COST)

Consumer Defensive · Discount Stores
Rating
Hold
12m value (prob-weighted)
$936.01
Price
$916.05
Upside
2.2%
Skeptic verdict
Unattractive
12m value derivation: median of DCF $1,034.83 · Monte Carlo p50 $845.9 = $940.37 base case; bear/base/bull weighted 25/50/25 gives $936.01.
Mkt cap
$409.1B
Enterprise value
$404.7B
Fwd P/E
40.76
Rev growth
21.5%
Beta
0.87
Avg vol (3m)
2.32M sh
Div yield
0.64%
52w range
$849.75 to $1,095.06
Next earnings
2026-09-24
Street consensus
buy · $1,080.33 (33)
Exhibit 1. COST 52-week price, weekly closesSource: Alpaca daily bars
52-week price, weekly closes: 854.51 to 1,073.97

Street consensus estimates

Exhibit 2. Consensus revenue and EPS estimatesSource: Yahoo Finance consensus
PeriodRevenue $BRev growthEPS $EPS growthAnalysts
Current qtr94.419.6%6.5611.7%27
Next qtr73.098.6%4.868%17
FY current301.419.5%20.5913%30
FY next325.968.1%22.6810.2%32

Growth is year over year vs the comparable period. MIDAS computes its own fair value below; consensus is shown for context.

Executive summary

Costco Wholesale trades at $916.05, down 6.9% over one month and 8.2% over three months, underperforming the S&P 500 by 9.3% and 19.2% respectively. The stock sits 7.0% below its 50-day SMA of $985.44 and 4.3% below its 200-day SMA of $956.78, with RSI at 37.6. A DCF on $10.91B owner earnings at 8.6% WACC and 25% perpetual growth yields fair value of $1,034.83, implying 13% upside, but reducing growth to 20% drops fair value to $855, below current price. FY2026 consensus calls for $301.41B revenue and $20.59 EPS, representing 9.5% and 13.0% growth respectively. Monte Carlo simulation assigns 66.1% probability of 12-month loss. Scenario-blend expected value is $936.01, just 2.2% above spot. Next earnings report September 24. Insider activity shows 11 open-market sales, zero buys, net negative $11.98M. The desk rates the name Hold pending the Q3 print and rate clarity.

The desk view. The sell side sees a membership-model compounder temporarily dislocated by rate anxiety, supported by 13% DCF upside and 33 analysts targeting $1,080. The bear case counters that 25% perpetual FCF growth is heroic for a $409.1B market-cap retailer, that reducing growth to 20% makes the stock overvalued at current price, and that 66.1% Monte Carlo loss probability and persistent insider selling undermine the buy thesis. Both sides agree September 24 earnings are the decisive catalyst. The desk splits the difference: the franchise quality is real but the entry point demands patience. Hold until the Q3 print clarifies whether membership momentum justifies the multiple.

Investment thesis (sell-side)

Costco's membership model resilience and 13% DCF upside create outperformance as Q3 earnings and rate clarity become catalysts.

Costco has pulled back 6.9% in one month and 8.2% over three months, underperforming the broader SPX by 9.3% and 19.2% respectively on valuation repricing amid higher rates. Yet the operational backdrop remains compelling: FY2026 revenue guidance implies 9.5% growth to $301.4B, with earnings per share accelerating 13.0% to $20.59. The membership model—core to COST's 29.2% return on equity and 21.5% trailing revenue growth—generates durable pricing power and high-margin incremental subscribers. The stock now trades at $916 versus a DCF fair value of $1,035 (8.6% WACC, 25% perpetual FCF growth), implying 13% upside. Analyst consensus targets $1,080 (+18%), supported by 33 sell-side calls and a 'buy' rating. Seasonality (Q4 holiday membership renewals) and Q3 earnings (Sept 24) will test the membership thesis; the rate environment (Fed funds 3.63%, 10Y at 4.54%, prediction markets pricing 62.5% no-change at July meeting) leaves room for multiple expansion if inflation remains contained. While insider selling nets −$12M and the Monte Carlo 12m tail shows downside risk (66.1% loss probability), the defensive beta (0.872) and 3.7% operating margin provide portfolio cushion.

Catalysts

  • Q3 Earnings Release: Street expects FY2026 revenue $301.41B (+9.5% YoY) and EPS $20.59 (+13.0% YoY); beat validates membership resilience and justifies 40.8x PE forward. (2026-09-24)
  • Fed Rate Decision: Prediction markets price 62.5% probability of no rate change; static rates reduce discount-rate pressure on COST's 25% perpetual FCF growth assumption. (Post-July 2026 FOMC)
  • Fall Membership Renewal Cycle: Q4 seasonal peak drives renewal sign-ups; incremental high-margin revenue historically offsets inventory build. (Q4 2026)
  • FCF Deployment: $6.95B annual free cash flow supports buybacks; stock repurchases at $916 (vs $1,080 analyst target) offer 18% IRR opportunity. (H2 2026)

Valuation case

COST trades $916 versus DCF fair value of $1,035 (base: 8.6% WACC, 25% perpetual growth on $10.91B owner earnings), implying 13% upside. Bear case $727 reflects 20% terminal growth / 9.6% WACC; bull case $1,255 assumes 25% growth / 7.6% WACC. Analyst consensus ($1,080, 33 calls) anchors the bull thesis; 40.8x PE forward is elevated but justified by 13.0% EPS growth and 29.2% ROE. Scenario blending (25% bear $692, 50% base $940, 25% bull $1,171) yields expected value $936 (+2.2%). Monte Carlo 12m shows 66.1% loss probability, flagging tail risk.

What the skeptic says (buy-side)

The sell-side thesis rests on a 25% perpetual FCF growth rate applied to a $409B market-cap retailer — a heroic assumption that does all the valuation work. At 20% growth the DCF yields $855, making COST overvalued today. The scenario blend confirms this fragility: expected value $936 is just 2.2% above $916, offering negligible compensation for 66.1% Monte Carlo loss probability and a P10 outcome of $658. Insiders agree — 11 sells, zero buys, net -$11.98M. The stock trades below both key moving averages with an RSI of 37.6, and the relative underperformance versus SPX (-26.6% over one year) suggests rotation out of defensive staples, not temporary mispricing. A 36.4% chance of a rate hike further threatens the multiple. Wait for the Q3 print before re-engaging.

Variant perception. The sell-side frames the 6.9% one-month pullback as a buying opportunity, but the tape disagrees: COST underperforms SPX by 26.6% over one year, RSI sits at 37.6, and price trades below both the 50-day ($985.44) and 200-day ($956.78) SMAs. The DCF's 25% perpetual growth assumption is doing all the heavy lifting — shave it to 20% at the same 8.6% WACC and fair value drops to $855, below current price. Meanwhile, the scenario-blend expected value of $936 offers only 2.2% upside, and Monte Carlo shows 66.1% probability of loss over 12 months. The sell-side is buying a membership narrative at a multiple that demands perfection.

For the current price to be right, you must believe:

Valuation

Exhibit 3. Five-year DCF and sensitivity gridSource: MIDAS computed (numpy)

Five-year DCF from a base owner earnings (capex 2.27x D&A) of $10.91B, growth 25 percent (historical, capped), WACC 8.6 percent, terminal growth 2.5 percent: fair value $1,034.83 per share (13% vs current).

FCF growth \ WACC7.6%8.6%9.6%
20%$1,035.33$855.42$726.76
25%$1,255.19$1,034.83$877.32
25%$1,255.19$1,034.83$877.32

Ratios, growth, and balance sheet

Exhibit 4. Ratios, growth and margins, balance sheetSource: Yahoo Finance; volatility and drawdown from Alpaca daily bars
Ratios and valuation
P/E (trailing)46.41x
P/E (forward)40.76x
EV/EBITDA29.35x
EV/Sales1.38x
FCF yield1.7%
Dividend yield0.64%
Growth and margins
Revenue growth21.5%
EPS growth45.5%
Gross margin12.9%
Operating margin3.7%
Net margin3%
ROE29.2%
Balance sheet and risk
Net debt $B-0.9
Beta0.87
Ann. volatility19.7%
Max drawdown-21%
Short interestn/a
Shares out $B0.44

Scenarios (12 months)

Exhibit 5. Twelve-month scenarios and probability-weighted valueSource: MIDAS computed (numpy)
ScenarioProbabilityValueVs price
Bear25%$692.23-24.43%
Base50%$940.372.65%
Bull25%$1,171.0527.84%
Expected value$936.012.2%

Method: multi-method median (dcf, monte_carlo) · Monte Carlo p10/p50/p90 (12m, 10,000 paths): $657.69 / $845.9 / $1,086.9 · 1-day parametric VaR on $100k: 95% $2,041, 99% $2,887

Risk matrix and kill criteria

Exhibit 6. Ranked risks to the thesisSource: MIDAS buy-side analyst
RiskSeverity
Rate-driven multiple compression: 36.4% probability of a July rate hike per prediction markets; 10Y at 4.54% directly pressures the 40.8x forward PE and the DCF's 8.6% WACC assumptionhigh
DCF growth sensitivity: reducing perpetual growth from 25% to 20% at 8.6% WACC collapses fair value from $1,035 to $855 — below current $916 pricehigh
Persistent insider selling: 11 open-market sales, zero buys, net -$11.98M — management is not buying the undervaluation thesismed
Negative technical momentum: price $916 vs 50-day SMA $985.44 and 200-day SMA $956.78; RSI 37.6; max drawdown -21.0% from 52-week high of $1,095.06med
Margin fragility: 3.7% operating margin leaves near-zero buffer for cost inflation, wage pressure, or membership fee elasticity surprisesmed
Monte Carlo tail risk: P10 outcome is $657.69 (28.2% downside); 66.1% probability of 12-month loss overwhelms the 13% DCF upside claimlow
Thesis is invalidated if:

Quarterly progression

Revenue for the quarter ending May 2026 came in at $70.53B with net income of $2.19B, following $69.6B and $2.04B in the February quarter and $67.31B and $2.0B in November. The August 2025 quarter, which captures holiday seasonality, posted $86.16B revenue and $2.61B net income. The sequential trajectory shows steady top-line expansion. Street consensus for the current quarter expects $94.41B revenue and $6.56 EPS, implying 9.6% and 11.7% growth respectively.

Exhibit 7. Quarterly revenue and net incomeSource: Yahoo Finance / company filings
QuarterRevenue $BNet income $B
2026-05-3170.532.19
2026-02-2869.62.04
2025-11-3067.312
2025-08-3186.162.61
2025-05-3163.21.9

Price performance and technicals

Price at $916.05 sits 7.0% below the 50-day SMA of $985.44 and 4.3% below the 200-day SMA of $956.78. RSI reads 37.6, approaching oversold territory. The 52-week range spans $849.75 to $1,095.06, placing the stock in the lower third. Annualized volatility is 19.7% with ATR at 1.83% of price. Maximum drawdown from peak stands at 21.0%. Relative performance versus the S&P 500 is negative 26.6% over one year. Weekly closes show a grind lower from the $1,030 area through the current $916 level.

Exhibit 8. Price performance, absolute and relative to the S&P 500Source: Alpaca daily closes; SPY as the index proxy
1m3m6m12m
Absolute-6.9%-8.2%0.1%-5.6%
Rel. to S&P 500-9.3%-19.2%-9.4%-26.6%
Exhibit 9. Trend and level snapshotSource: Alpaca daily bars
TrendAnn. volMax DDRSI(14)SMA50SMA200
mixed19.7%-21%37.6$985.44$956.78

Macro context

Fed funds at 3.63% and the 10-year Treasury at 4.54% keep discount rates elevated for long-duration consumer staples names. Prediction markets price a 62.5% probability of no rate change at the July FOMC and a 36.4% probability of a 25 basis point hike. The VIX at 15.03 and unemployment at 4.2% suggest a stable but rate-sensitive backdrop. A hike would pressure the 40.8x forward multiple directly.

Fed funds 3.63 · UST 10y 4.54 · 10y-2y 0.35 · Core PCE 130.08 · 10y BE 2.24 · U-3 4.2 · VIX 15.03 (FRED)

Prediction markets (Polymarket): Will there be no change in Fed interest rates after the July: 62.5% · Will the Fed decrease interest rates by 25 bps after the Jul: 0.4% · Will the Fed increase interest rates by 25 bps after the Jul: 36.4% · Will the Fed decrease interest rates by 50+ bps after the Ju: 0.1%

Insider activity (SEC Form 4)

Open-market: 0 buys, 11 sells, net $-11,982,666. Director sold $847,345 on 2026-06-23; Executive Vice President sold $695,100 on 2026-04-01; Executive Vice President sold $732,205 on 2026-03-09

Data provenance

BlockSource
tapealpaca
fundamentalsyfinance
newstradingview/yahoo
edgar_checksec_xbrl
insiderssec_form4
prediction_marketspolymarket
macrofred

SEC XBRL cross-check: FY revenue $275.24B (2025-08-31) vs trailing four quarters $293.6B: agrees.

Figures not matched to source data (treat with caution): 221, 201, 202

Compliance audit: FAIL, 3 issue(s) addressed

ProxiTrades Research, MIDAS engine (dual-track: sell-side strategist, buy-side skeptic, compliance audit; quantitative work computed, not generated). This document is produced by an automated research tool for paper trading and education. It is not investment advice, not an offer or solicitation, and no advisory or client relationship exists. Figures derive from the listed sources as of the generation timestamp and may be delayed or wrong; verify independently. Past performance does not guarantee future results. Sector map dated 2026-07.